{"id":557,"date":"2022-09-28T10:12:06","date_gmt":"2022-09-28T10:12:06","guid":{"rendered":"https:\/\/owolff.com.linux20.curanetserver.dk\/?page_id=557"},"modified":"2024-10-03T10:44:08","modified_gmt":"2024-10-03T08:44:08","slug":"active-noise-cancellation","status":"publish","type":"page","link":"https:\/\/owolff.com\/ch\/application-support\/active-noise-cancellation\/","title":{"rendered":"\u4e3b\u52a8\u5f0f\u964d\u566a"},"content":{"rendered":"<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lcg9ppdn-2b5907fa9201520c60b52fc4f27ab047\">\n.avia-section.av-lcg9ppdn-2b5907fa9201520c60b52fc4f27ab047{\nmargin-bottom:0px;\n}\n.avia-section.av-lcg9ppdn-2b5907fa9201520c60b52fc4f27ab047 .av-parallax .av-parallax-inner{\nbackground-color:#702423;\nbackground-image:url(https:\/\/owolff.com\/wp-content\/uploads\/2023\/04\/active-noise-cancellation-1.jpg);\nbackground-repeat:no-repeat;\nbackground-position:50% 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>\u5de5\u4f5c\u539f\u5219<\/h2><div class='av_custom_color av-subheading av-subheading_below'><p>\u51cf\u53bb\u566a\u58f0<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-l8lg3s76-175343abf013a665c2e01f2ced50e5c5'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"BrdtekstFutura\">ANC \u7535\u8def\u57fa\u672c\u4e0a\u662f\u4e00\u4e2a\u73af\u8def\u63a7\u5236\u7535\u8def\uff0c\u5176\u4e2d\u6d89\u53ca\u4e00\u4e2a\u6216\u591a\u4e2a\u9ea6\u514b\u98ce\u3001\u4e00\u4e2a\u8033\u673a\uff08\u63a5\u6536\u5668\uff09\u548c\u4e00\u4e2a ANC \u63a7\u5236\u7535\u8def\u3002<\/div>\n<div class=\"BrdtekstFutura\"><\/div>\n<div class=\"BrdtekstFutura\">\u4e00\u4e2a\u7535\u4fe1\u53f7\uff08\u8bed\u97f3\u6216\u97f3\u4e50\uff09\u88ab\u9001\u5165 ANC \u63a7\u5236\u7535\u8def\uff0c\u4e00\u4e2a\u566a\u58f0\u7535\u4fe1\u53f7\u88ab\u9ea6\u514b\u98ce\u62fe\u53d6\uff0c\u76f8\u79fb 180 \u5ea6\u540e\u4e5f\u88ab\u9001\u5165 ANC \u63a7\u5236\u7535\u8def\u3002\u9ea6\u514b\u98ce\u7684\u4f4d\u7f6e\u5e94\u80fd\u6700\u597d\u5730\u62fe\u53d6\u80cc\u666f\u566a\u58f0\u3002\u901a\u8fc7\u5c06\u566a\u58f0\u4fe1\u53f7\u76f8\u4f4d\u504f\u79fb 180 \u5ea6\uff0c\u80cc\u666f\u566a\u58f0\u5c06\u88ab\u7406\u60f3\u5730\u6d88\u9664\uff0c\u53ea\u6709\u7eaf\u51c0\u7684\u8bed\u97f3\u6216\u97f3\u4e50\u4fe1\u53f7\u624d\u4f1a\u5230\u8fbe\u8033\u673a\uff0c\u4ece\u800c\u4e0d\u4f1a\u6709\u566a\u58f0\u4f20\u5165\u542c\u8005\u7684\u8033\u6735\u3002<\/div>\n<\/div><\/section><\/p><\/div><div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8sncl-d2e0d17af8cf3a0230ade0f00356cc21\">\n#top 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avia-builder-el-no-sibling'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-544 avia-img-lazy-loading-not-544 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Acoustic_noise_cancellation__1.jpg\" alt='' title='Acoustic_noise_cancellation__1'  height=\"200\" width=\"450\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Acoustic_noise_cancellation__1.jpg 450w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Acoustic_noise_cancellation__1-300x133.jpg 300w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/div><\/div><\/div><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8lgent3-036d05965b746499cf3109ef7ae56708\">\n#top .hr.hr-invisible.av-l8lgent3-036d05965b746499cf3109ef7ae56708{\nheight:10px;\n}\n<\/style>\n<div  class='hr av-l8lgent3-036d05965b746499cf3109ef7ae56708 hr-invisible  avia-builder-el-17  el_after_av_one_half  el_before_av_heading'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-b4bp1-e36d28eddc97122f95d95077ced1f193\">\n#top .av-special-heading.av-b4bp1-e36d28eddc97122f95d95077ced1f193{\npadding-bottom:20px;\ncolor:#101010;\nfont-size:20px;\n}\nbody .av-special-heading.av-b4bp1-e36d28eddc97122f95d95077ced1f193 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-b4bp1-e36d28eddc97122f95d95077ced1f193 .av-special-heading-tag{\nfont-size:20px;\n}\n.av-special-heading.av-b4bp1-e36d28eddc97122f95d95077ced1f193 .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-b4bp1-e36d28eddc97122f95d95077ced1f193 .av-subheading{\nfont-size:15px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-b4bp1-e36d28eddc97122f95d95077ced1f193 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-b4bp1-e36d28eddc97122f95d95077ced1f193 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-b4bp1-e36d28eddc97122f95d95077ced1f193 av-special-heading-h2 custom-color-heading blockquote modern-quote  avia-builder-el-18  el_after_av_hr  el_before_av_textblock  av-inherit-size'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >\u4e09\u79cd\u4e0d\u540c\u7684\u62d3\u6251\u7ed3\u6784<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<section  class='av_textblock_section av-l8lg3s76-53-2256c3ea3b13b7b5512f88f2c22cab94'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"BrdtekstFutura\">&#8211; <strong>\u524d\u9988\u3001\u53cd\u9988\u548c\u6df7\u5408<\/strong> &#8211;<\/div>\n<div class=\"BrdtekstFutura\">\u867d\u7136 ANC \u7684\u57fa\u672c\u6982\u5ff5\u76f8\u540c\uff0c\u4f46\u5728\u8033\u673a\/\u8033\u9ea6\u4e2d\u53ef\u4ee5\u901a\u8fc7\u4e09\u79cd\u4e0d\u540c\u7684\u65b9\u5f0f\u5b9e\u73b0\u3002\u5982\u4e0b\u6240\u8ff0\uff0c\u6bcf\u79cd\u539f\u7406\u90fd\u5404\u6709\u5229\u5f0a\uff1a<\/div>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8lgent3-52-4b1de2ba4bb04f99d30fbedbd6f02aa1\">\n#top 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itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\" aria-label=\"Icon: Feed-forward ANC\"><a href='#1' title='\u524d\u9988\u5f0f ANC' aria-label='\u524d\u9988\u5f0f ANC'  class='iconbox_icon heading-color avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue873' data-av_iconfont='entypo-fontello' desc=\"Feed-forward ANC\" ><\/a><h3 class='iconbox_content_title'  itemprop=\"headline\" ><a href='#1' title='\u524d\u9988\u5f0f ANC' >\u524d\u9988\u5f0f ANC<\/a><\/h3><\/header><div class='iconbox_content_container'  itemprop=\"text\" ><\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-110ssv-3514b3030c5931cd3d0ee37ef7b692f1\">\n.avia-image-container.av-110ssv-3514b3030c5931cd3d0ee37ef7b692f1 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-110ssv-3514b3030c5931cd3d0ee37ef7b692f1 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-110ssv-3514b3030c5931cd3d0ee37ef7b692f1 av-styling-no-styling av-img-linked avia-align-center  avia-builder-el-23  el_after_av_icon_box  avia-builder-el-last'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image- avia-img-lazy-loading-not- avia_image' src=\"http:\/\/test.kriesi.at\/construction\/wp-content\/uploads\/sites\/7\/2015\/10\/scale-ruler-on-blueprints-845x321.jpg\" alt='' title=''   itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ylzez-b7c71da90d7b5ecfb248745999fe74dd\">\n.flex_column.av-ylzez-b7c71da90d7b5ecfb248745999fe74dd{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-ylzez-b7c71da90d7b5ecfb248745999fe74dd av_one_third  avia-builder-el-24  el_after_av_one_third  el_before_av_one_third  flex_column_div av-animated-generic bottom-to-top av-zero-column-padding'     ><p><article  class='iconbox iconbox_top av-l8lgcxbf-50-d05a075fb2e34bdcf5fef18510d66471  avia-builder-el-25  el_before_av_image  avia-builder-el-first  main_color'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\" aria-label=\"Icon: Feedback ANC\"><a href='#2' title='\u53cd\u9988 ANC' aria-label='\u53cd\u9988 ANC'  class='iconbox_icon heading-color avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue873' data-av_iconfont='entypo-fontello' desc=\"Feedback ANC\" ><\/a><h3 class='iconbox_content_title'  itemprop=\"headline\" ><a href='#2' title='\u53cd\u9988 ANC' >\u53cd\u9988 ANC<\/a><\/h3><\/header><div class='iconbox_content_container'  itemprop=\"text\" ><\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-yi5u7-235a62ec03082a0067e2331aaecf6f2f\">\n.avia-image-container.av-yi5u7-235a62ec03082a0067e2331aaecf6f2f img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-yi5u7-235a62ec03082a0067e2331aaecf6f2f .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-yi5u7-235a62ec03082a0067e2331aaecf6f2f av-styling-no-styling av-img-linked avia-align-center  avia-builder-el-26  el_after_av_icon_box  avia-builder-el-last'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image- avia-img-lazy-loading-not- avia_image' src=\"http:\/\/test.kriesi.at\/construction\/wp-content\/uploads\/sites\/7\/2015\/10\/construction-site-machines-845x321.jpg\" alt='' title=''   itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-36fov-55b3b9cfb40648e0e5bb5de72dcb7c5c\">\n.flex_column.av-36fov-55b3b9cfb40648e0e5bb5de72dcb7c5c{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-36fov-55b3b9cfb40648e0e5bb5de72dcb7c5c av_one_third  avia-builder-el-27  el_after_av_one_third  avia-builder-el-last  flex_column_div av-animated-generic bottom-to-top av-zero-column-padding'     ><p><article  class='iconbox iconbox_top av-l8lgcxbf-49-12e19e4db222c7924793fd1d9a75533e  avia-builder-el-28  el_before_av_image  avia-builder-el-first  main_color'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\" aria-label=\"Icon: Hybrid ANC\"><a href='#3' title='\u6df7\u5408 ANC' aria-label='\u6df7\u5408 ANC'  class='iconbox_icon heading-color avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue873' data-av_iconfont='entypo-fontello' desc=\"Hybrid ANC\" ><\/a><h3 class='iconbox_content_title'  itemprop=\"headline\" ><a href='#3' title='\u6df7\u5408 ANC' >\u6df7\u5408 ANC<\/a><\/h3><\/header><div class='iconbox_content_container'  itemprop=\"text\" ><\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-v8nlb-6d5b97f12ad402ba2f365f3faa4de725\">\n.avia-image-container.av-v8nlb-6d5b97f12ad402ba2f365f3faa4de725 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-v8nlb-6d5b97f12ad402ba2f365f3faa4de725 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-v8nlb-6d5b97f12ad402ba2f365f3faa4de725 av-styling-no-styling av-img-linked avia-align-center  avia-builder-el-29  el_after_av_icon_box  avia-builder-el-last'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image- avia-img-lazy-loading-not- avia_image' src=\"http:\/\/test.kriesi.at\/construction\/wp-content\/uploads\/sites\/7\/2015\/10\/cropped-hand-of-a-carpenter-845x321.jpg\" alt='' title=''   itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><\/p><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='1'  class='avia-section av-akx4r-baebccccb980ee808303f879b905104f main_color avia-section-large avia-no-border-styling  avia-builder-el-30  el_after_av_section  el_before_av_hr  avia-bg-style-scroll av-minimum-height av-minimum-height-custom av-height-custom  container_wrap sidebar_right'   data-av_minimum_height_px='500'><div class='container av-section-cont-open' style='height:500px'><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-557'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-fszce-24106616e0a3dd5d25df1c2ae9f3e48d\">\n#top .flex_column.av-fszce-24106616e0a3dd5d25df1c2ae9f3e48d{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n.flex_column.av-fszce-24106616e0a3dd5d25df1c2ae9f3e48d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-fszce-24106616e0a3dd5d25df1c2ae9f3e48d{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-fszce-24106616e0a3dd5d25df1c2ae9f3e48d av_one_half  avia-builder-el-31  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldydktbg-7568d77b281aa73ac14f7be9a42433bc\">\n#top .av-special-heading.av-ldydktbg-7568d77b281aa73ac14f7be9a42433bc{\npadding-bottom:20px;\ncolor:#101010;\nfont-size:30px;\n}\nbody .av-special-heading.av-ldydktbg-7568d77b281aa73ac14f7be9a42433bc .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-ldydktbg-7568d77b281aa73ac14f7be9a42433bc .av-special-heading-tag{\nfont-size:30px;\n}\n.av-special-heading.av-ldydktbg-7568d77b281aa73ac14f7be9a42433bc .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-ldydktbg-7568d77b281aa73ac14f7be9a42433bc .av-subheading{\nfont-size:15px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-ldydktbg-7568d77b281aa73ac14f7be9a42433bc .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all 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class=\"BrdtekstFutura\">\u5728\u524d\u9988\u5f0f\u8bbe\u8ba1\u4e2d\uff0c\u9ea6\u514b\u98ce\u653e\u7f6e\u5728\u8033\u7f69\u5916\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9ea6\u514b\u98ce\u4f1a\u5148\u4e8e\u542c\u8005\u68c0\u6d4b\u5230\u566a\u97f3\u3002<\/div>\n<div class=\"BrdtekstFutura\"><\/div>\n<div class=\"BrdtekstFutura\">ANC \u7535\u8def\u4f1a\u5904\u7406\u566a\u97f3\u5e76\u4ea7\u751f\u6297\u566a\u4fe1\u53f7\uff0c\u7136\u540e\u5c06\u5176\u53d1\u9001\u5230\u8033\u673a\u3002<\/div>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8lgent3-51-79cc2d6b81198f783e75ed79fcc8c09f\">\n#top .hr.hr-invisible.av-l8lgent3-51-79cc2d6b81198f783e75ed79fcc8c09f{\nheight:10px;\n}\n<\/style>\n<div  class='hr av-l8lgent3-51-79cc2d6b81198f783e75ed79fcc8c09f hr-invisible  avia-builder-el-34  el_after_av_textblock  el_before_av_heading'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldydkw77-e2c420c35afd0eb2cadc82646526a23c\">\n#top .av-special-heading.av-ldydkw77-e2c420c35afd0eb2cadc82646526a23c{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-ldydkw77-e2c420c35afd0eb2cadc82646526a23c .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-ldydkw77-e2c420c35afd0eb2cadc82646526a23c .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-ldydkw77-e2c420c35afd0eb2cadc82646526a23c av-special-heading-h3  avia-builder-el-35  el_after_av_hr  el_before_av_iconlist'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >\u5229<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8lgsoyh-5251e00d3a2a3ec59f0d4c52f25344f3\">\n#top 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class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>\u9ea6\u514b\u98ce\u80fd\u53ca\u65e9\u6355\u6349\u5230\u566a\u97f3\uff0c\u56e0\u6b64\u6709\u66f4\u591a\u65f6\u95f4\u505a\u51fa\u53cd\u5e94\u5e76\u4ea7\u751f\u6297\u566a\u6548\u679c\u3002\u56e0\u6b64\uff0c\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\uff0c\u964d\u566a\u9891\u7387\u53ef\u8fbe 1-2 \u5343\u8d6b\u5179\u3002<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-ze0ml-a52e296e0d10dac79b8aca826ac939fb avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue816' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>\u7531\u4e8e\u4e0d\u6d89\u53ca\u53cd\u9988\u56de\u8def\uff0c\u56e0\u6b64\u4e0d\u4f1a\u51fa\u73b0\u7a33\u5b9a\u6027\u95ee\u9898\u3002<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-oywrp-564750a535e5ddf3d613ca415d271bde avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue816' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>\u4f5c\u4e3a\u989d\u5916\u529f\u80fd\uff0c\u524d\u9988\u9ea6\u514b\u98ce\u53ef\u7528\u4e8e \u201c\u5916\u90e8\u76d1\u542c\u201d\u3002<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldydkybi-e27197a44fc1fb4e2238ed0e7ed38cae\">\n#top .av-special-heading.av-ldydkybi-e27197a44fc1fb4e2238ed0e7ed38cae{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-ldydkybi-e27197a44fc1fb4e2238ed0e7ed38cae .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-ldydkybi-e27197a44fc1fb4e2238ed0e7ed38cae .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-ldydkybi-e27197a44fc1fb4e2238ed0e7ed38cae av-special-heading-h3  avia-builder-el-37  el_after_av_iconlist  el_before_av_iconlist'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >\u5f0a<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8lgsoyh-44-c113a721f5b55e6272d4ab410c58fc34\">\n#top .avia-icon-list-container.av-l8lgsoyh-44-c113a721f5b55e6272d4ab410c58fc34 .iconlist_icon{\ncolor:#ffffff;\nbackground-color:#702423;\n}\n#top .avia-icon-list-container.av-l8lgsoyh-44-c113a721f5b55e6272d4ab410c58fc34 .iconlist_icon svg:first-child{\nstroke:#ffffff;\nfill:#ffffff;\n}\n.avia-icon-list-container.av-l8lgsoyh-44-c113a721f5b55e6272d4ab410c58fc34 .iconlist_content{\ncolor:#101010;\n}\n<\/style>\n<div  class='avia-icon-list-container av-l8lgsoyh-44-c113a721f5b55e6272d4ab410c58fc34  avia-builder-el-38  el_after_av_heading  avia-builder-el-last'><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-small 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class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-547 avia-img-lazy-loading-not-547 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/feed-forward_design_the_microphone.png\" alt='' title='feed-forward_design_the_microphone'  height=\"1490\" width=\"1692\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/feed-forward_design_the_microphone.png 1692w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/feed-forward_design_the_microphone-300x264.png 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/feed-forward_design_the_microphone-1030x907.png 1030w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/feed-forward_design_the_microphone-768x676.png 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/feed-forward_design_the_microphone-1536x1353.png 1536w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/feed-forward_design_the_microphone-1500x1321.png 1500w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/feed-forward_design_the_microphone-705x621.png 705w\" sizes=\"(max-width: 1692px) 100vw, 1692px\" \/><\/div><\/div><\/div><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='after_section_4'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-557'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldu7yu78-78eacb223cfb5cecb81cc019a23988c7\">\n#top .hr.av-ldu7yu78-78eacb223cfb5cecb81cc019a23988c7{\nmargin-top:10px;\nmargin-bottom:10px;\n}\n.hr.av-ldu7yu78-78eacb223cfb5cecb81cc019a23988c7 .hr-inner{\nwidth:500;\nborder-color:#702423;\n}\n<\/style>\n<div  class='hr av-ldu7yu78-78eacb223cfb5cecb81cc019a23988c7 hr-custom  avia-builder-el-41  el_after_av_section  el_before_av_section  avia-builder-el-no-sibling  hr-center hr-icon-no'><span class='hr-inner inner-border-av-border-thin'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='2'  class='avia-section av-akx4r-48-51b78283b9ec820204221056c1a4d7d9 main_color avia-section-large avia-no-border-styling  avia-builder-el-42  el_after_av_hr  el_before_av_hr  avia-bg-style-scroll av-minimum-height av-minimum-height-custom av-height-custom  container_wrap sidebar_right'   data-av_minimum_height_px='500'><div class='container av-section-cont-open' style='height:500px'><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-557'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-biw9y-42-932371af862a4288acc537cb5742379d\">\n#top .flex_column.av-biw9y-42-932371af862a4288acc537cb5742379d{\nmargin-bottom:0px;\n}\n.flex_column.av-biw9y-42-932371af862a4288acc537cb5742379d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-biw9y-42-932371af862a4288acc537cb5742379d{\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-biw9y-42-932371af862a4288acc537cb5742379d av_one_half  avia-builder-el-43  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l833dvw1-41-f1be279081641ebdd40d84ca04a169c5\">\n.avia-image-container.av-l833dvw1-41-f1be279081641ebdd40d84ca04a169c5 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l833dvw1-41-f1be279081641ebdd40d84ca04a169c5 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l833dvw1-41-f1be279081641ebdd40d84ca04a169c5 av-styling- avia_animated_image av-animated-when-visible-95 fade-in avia-align-center  avia-builder-el-44  avia-builder-el-no-sibling'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-548 avia-img-lazy-loading-not-548 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/feedback_design_ANC@2x.png\" alt='' title='feedback_design_ANC@2x'  height=\"725\" width=\"856\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/feedback_design_ANC@2x.png 856w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/feedback_design_ANC@2x-300x254.png 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/feedback_design_ANC@2x-768x650.png 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/feedback_design_ANC@2x-705x597.png 705w\" sizes=\"(max-width: 856px) 100vw, 856px\" \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-fszce-47-b59cbc7fdad293e8219a7c9ae94fec9d\">\n#top .flex_column.av-fszce-47-b59cbc7fdad293e8219a7c9ae94fec9d{\nmargin-bottom:0px;\n}\n.flex_column.av-fszce-47-b59cbc7fdad293e8219a7c9ae94fec9d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-fszce-47-b59cbc7fdad293e8219a7c9ae94fec9d{\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-fszce-47-b59cbc7fdad293e8219a7c9ae94fec9d av_one_half  avia-builder-el-45  el_after_av_one_half  avia-builder-el-last  flex_column_div av-zero-column-padding'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-10qfol-0f30ad8043f05840021390df01ed8c0b\">\n#top .av-special-heading.av-10qfol-0f30ad8043f05840021390df01ed8c0b{\npadding-bottom:20px;\ncolor:#101010;\nfont-size:30px;\n}\nbody .av-special-heading.av-10qfol-0f30ad8043f05840021390df01ed8c0b .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-10qfol-0f30ad8043f05840021390df01ed8c0b .av-special-heading-tag{\nfont-size:30px;\n}\n.av-special-heading.av-10qfol-0f30ad8043f05840021390df01ed8c0b .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-10qfol-0f30ad8043f05840021390df01ed8c0b .av-subheading{\nfont-size:15px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-10qfol-0f30ad8043f05840021390df01ed8c0b .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-10qfol-0f30ad8043f05840021390df01ed8c0b .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-10qfol-0f30ad8043f05840021390df01ed8c0b av-special-heading-h2 custom-color-heading blockquote modern-quote  avia-builder-el-46  el_before_av_textblock  avia-builder-el-first  av-inherit-size'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >\u53cd\u9988\u610f\u89c1<\/h2><div class='av_custom_color av-subheading av-subheading_below'><p>(\u8033\u7f69\u5185\u7684\u9ea6\u514b\u98ce\uff09<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-l833e7ea-46-e7959dbf74193e448e1953430ee26d8c'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>\u5728\u53cd\u9988\u8bbe\u8ba1\u4e2d\uff0c\u9ea6\u514b\u98ce\u7f6e\u4e8e\u8033\u7f69\u5185\u548c\u626c\u58f0\u5668\u524d\u65b9\uff0c\u201c\u542c\u5230 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.heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-w97o5-f8d5d79bbd328f0de6995b5e4b998f41 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-w97o5-f8d5d79bbd328f0de6995b5e4b998f41 av-special-heading-h3  avia-builder-el-49  el_after_av_hr  el_before_av_iconlist'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >\u5229<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8lgsoyh-43-63720a67e61a64b0acf428c6f4ba074a\">\n#top .avia-icon-list-container.av-l8lgsoyh-43-63720a67e61a64b0acf428c6f4ba074a .iconlist_icon{\ncolor:#ffffff;\nbackground-color:#702423;\n}\n#top .avia-icon-list-container.av-l8lgsoyh-43-63720a67e61a64b0acf428c6f4ba074a .iconlist_icon svg:first-child{\nstroke:#ffffff;\nfill:#ffffff;\n}\n.avia-icon-list-container.av-l8lgsoyh-43-63720a67e61a64b0acf428c6f4ba074a .iconlist_content{\ncolor:#101010;\n}\n<\/style>\n<div  class='avia-icon-list-container av-l8lgsoyh-43-63720a67e61a64b0acf428c6f4ba074a  avia-builder-el-50  el_after_av_heading  el_before_av_heading'><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-small av-l8lgsoyh-43-63720a67e61a64b0acf428c6f4ba074a avia-iconlist-animate'>\n<li><div class='iconlist_icon av-qxrp1-b9a014aba7eaff1129c46367c6934cfa avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue816' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>\u7531\u4e8e\u9ea6\u514b\u98ce \u201c\u542c\u5230 \u201d\u7684\u6b63\u662f\u542c\u4f17\u542c\u5230\u7684\u58f0\u97f3\uff0c\u56e0\u6b64\u53cd\u9988 ANC \u53ef\u4ee5\u66f4\u597d\u5730\u9002\u5e94\u4efb\u4f55\u4f20\u5165\u7684\u53d8\u5316\u5e76\u7ea0\u6b63\u4fe1\u53f7\u3002\u5373\u4f7f\u8033\u673a\u4f69\u6234\u4e0d\u6b63\u786e\uff0cANC \u6027\u80fd\u4ecd\u4f1a\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u53d1\u6325\u4f5c\u7528\u3002<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-t4nz1-49a7c7184caf2c9e995e46807217a1be\">\n#top .av-special-heading.av-t4nz1-49a7c7184caf2c9e995e46807217a1be{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-t4nz1-49a7c7184caf2c9e995e46807217a1be .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-t4nz1-49a7c7184caf2c9e995e46807217a1be .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-t4nz1-49a7c7184caf2c9e995e46807217a1be av-special-heading-h3  avia-builder-el-51  el_after_av_iconlist  el_before_av_iconlist'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >\u5f0a<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8lgsoyh-33-b90614cab4277d5063b024baa1613ef7\">\n#top .avia-icon-list-container.av-l8lgsoyh-33-b90614cab4277d5063b024baa1613ef7 .iconlist_icon{\ncolor:#ffffff;\nbackground-color:#702423;\n}\n#top .avia-icon-list-container.av-l8lgsoyh-33-b90614cab4277d5063b024baa1613ef7 .iconlist_icon svg:first-child{\nstroke:#ffffff;\nfill:#ffffff;\n}\n.avia-icon-list-container.av-l8lgsoyh-33-b90614cab4277d5063b024baa1613ef7 .iconlist_content{\ncolor:#101010;\n}\n<\/style>\n<div  class='avia-icon-list-container av-l8lgsoyh-33-b90614cab4277d5063b024baa1613ef7  avia-builder-el-52  el_after_av_heading  avia-builder-el-last'><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-small av-l8lgsoyh-33-b90614cab4277d5063b024baa1613ef7 avia-iconlist-animate'>\n<li><div class='iconlist_icon av-fqbrx-399ec04673eb4f7fd50531921d741dd2 avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue819' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>\u8fd9\u79cd\u8bbe\u8ba1\u65e0\u6cd5\u50cf\u524d\u9988 ANC \u90a3\u6837\u5904\u7406\u66f4\u9ad8\u7684\u9891\u7387\u3002\u6b64\u5916\uff0c\u8fd9\u79cd\u65b9\u6cd5\u5c06\u4f20\u5165\u7684\u97f3\u4e50\/\u8bed\u97f3\u4e0e\u566a\u58f0\u4e00\u5e76\u5904\u7406\uff0c\u6709\u53ef\u80fd\u4f1a\u8fc7\u6ee4\u6389\u97f3\u4e50\/\u8bed\u97f3\u7684\u4f4e\u9891\u90e8\u5206\uff0c\u5bfc\u81f4\u58f0\u97f3\u91cd\u73b0\u8d28\u91cf\u4e0b\u964d\u3002<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-6wsg5-b974b3514cf1662ceed2d9aae2769ba9 avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue819' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>\u53cd\u9988\u56de\u8def\u5bfc\u81f4\u4e0d\u7a33\u5b9a\uff08\u632f\u8361\uff09\u98ce\u9669\u3002<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/p><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='after_section_5'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-557'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldu7yu78-40-415deb1a6f94227f976d06defc1301bf\">\n#top .hr.av-ldu7yu78-40-415deb1a6f94227f976d06defc1301bf{\nmargin-top:10px;\nmargin-bottom:10px;\n}\n.hr.av-ldu7yu78-40-415deb1a6f94227f976d06defc1301bf .hr-inner{\nwidth:500;\nborder-color:#702423;\n}\n<\/style>\n<div  class='hr av-ldu7yu78-40-415deb1a6f94227f976d06defc1301bf hr-custom  avia-builder-el-53  el_after_av_section  el_before_av_section  avia-builder-el-no-sibling  hr-center hr-icon-no'><span class='hr-inner inner-border-av-border-thin'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='3'  class='avia-section av-akx4r-39-93517f1d93512976b498daad3a9e862c main_color avia-section-large avia-no-border-styling  avia-builder-el-54  el_after_av_hr  el_before_av_section  avia-bg-style-scroll av-minimum-height av-minimum-height-custom av-height-custom  container_wrap sidebar_right'   data-av_minimum_height_px='500'><div class='container av-section-cont-open' style='height:500px'><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-557'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-fszce-36-9e0c04e65b0e2df4377c7ce6579ce67b\">\n#top .flex_column.av-fszce-36-9e0c04e65b0e2df4377c7ce6579ce67b{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n.flex_column.av-fszce-36-9e0c04e65b0e2df4377c7ce6579ce67b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-fszce-36-9e0c04e65b0e2df4377c7ce6579ce67b{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-fszce-36-9e0c04e65b0e2df4377c7ce6579ce67b av_one_half  avia-builder-el-55  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-naj5p-267807d288a00f3440847703c400816f\">\n#top .av-special-heading.av-naj5p-267807d288a00f3440847703c400816f{\npadding-bottom:20px;\ncolor:#101010;\nfont-size:30px;\n}\nbody .av-special-heading.av-naj5p-267807d288a00f3440847703c400816f .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-naj5p-267807d288a00f3440847703c400816f .av-special-heading-tag{\nfont-size:30px;\n}\n.av-special-heading.av-naj5p-267807d288a00f3440847703c400816f .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-naj5p-267807d288a00f3440847703c400816f .av-subheading{\nfont-size:15px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-naj5p-267807d288a00f3440847703c400816f .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-naj5p-267807d288a00f3440847703c400816f .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-naj5p-267807d288a00f3440847703c400816f av-special-heading-h2 custom-color-heading blockquote modern-quote  avia-builder-el-56  el_before_av_textblock  avia-builder-el-first  av-inherit-size'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >\u6df7\u5408\u52a8\u529b<\/h2><div class='av_custom_color av-subheading av-subheading_below'><p>(\u8033\u7f69\u5185\u5916\u7684\u9ea6\u514b\u98ce\uff09<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-l833e7ea-35-9dff1b07b3060114eea2d0a9b9d78929'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>\u6df7\u5408 ANC \u8bbe\u8ba1\u5c06\u524d\u9988\u548c\u53cd\u9988 ANC\uff08\u9ea6\u514b\u98ce\u7f6e\u4e8e\u8033\u7f69\u5916\u90e8\u548c\u5185\u90e8\uff09\u4e24\u5927\u4f18\u52bf\u7ed3\u5408\u5728\u4e00\u8d77\u3002<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8lgent3-34-a7e98e3463ebeccc48c888b8cd2fc7df\">\n#top .hr.hr-invisible.av-l8lgent3-34-a7e98e3463ebeccc48c888b8cd2fc7df{\nheight:10px;\n}\n<\/style>\n<div  class='hr av-l8lgent3-34-a7e98e3463ebeccc48c888b8cd2fc7df hr-invisible  avia-builder-el-58  el_after_av_textblock  el_before_av_heading'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-dkxid-bb51e30a8908e8397d09c24d48fbc055\">\n#top .av-special-heading.av-dkxid-bb51e30a8908e8397d09c24d48fbc055{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-dkxid-bb51e30a8908e8397d09c24d48fbc055 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-dkxid-bb51e30a8908e8397d09c24d48fbc055 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-dkxid-bb51e30a8908e8397d09c24d48fbc055 av-special-heading-h3  avia-builder-el-59  el_after_av_hr  el_before_av_iconlist'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >\u5229<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8lgsoyh-32-b60b30c487000526f5e6d9163c8f2d71\">\n#top .avia-icon-list-container.av-l8lgsoyh-32-b60b30c487000526f5e6d9163c8f2d71 .iconlist_icon{\ncolor:#ffffff;\nbackground-color:#702423;\n}\n#top .avia-icon-list-container.av-l8lgsoyh-32-b60b30c487000526f5e6d9163c8f2d71 .iconlist_icon svg:first-child{\nstroke:#ffffff;\nfill:#ffffff;\n}\n.avia-icon-list-container.av-l8lgsoyh-32-b60b30c487000526f5e6d9163c8f2d71 .iconlist_content{\ncolor:#101010;\n}\n<\/style>\n<div  class='avia-icon-list-container av-l8lgsoyh-32-b60b30c487000526f5e6d9163c8f2d71  avia-builder-el-60  el_after_av_heading  el_before_av_heading'><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-small av-l8lgsoyh-32-b60b30c487000526f5e6d9163c8f2d71 avia-iconlist-animate'>\n<li><div class='iconlist_icon av-ro5jh-c827ecc85877883d9d165cd1ea34c623 avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue816' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>\u5b83\u80fd\u5728\u66f4\u5bbd\u7684\u9891\u6bb5\u6291\u5236\u566a\u97f3\uff0c\u9002\u5e94\u5e76\u7ea0\u6b63\u9519\u8bef\uff0c\u800c\u4e14\u5bf9\u4f69\u6234\u8033\u673a\u7684\u4eba\u7684\u65b9\u5f0f\u4e0d\u90a3\u4e48\u654f\u611f\uff0c\u53ef\u8c13\u4e24\u5168\u5176\u7f8e\u3002<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-ikoyl-5eb6df0543737cd4b33727f49ee4889a avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue816' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>\u6df7\u5408\u89e3\u51b3\u65b9\u6848\u4e2d\u7684 FF \u548c FB \u6027\u80fd\u662f\u5b8c\u5168\u72ec\u7acb\u7684\uff0c\u56e0\u6b64\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5355\u72ec\u5f00\u542f\u6216\u5173\u95ed\u3002<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-95egd-7cb84b3aaf52827f4b3b329f0f2d5b82\">\n#top .av-special-heading.av-95egd-7cb84b3aaf52827f4b3b329f0f2d5b82{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-95egd-7cb84b3aaf52827f4b3b329f0f2d5b82 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-95egd-7cb84b3aaf52827f4b3b329f0f2d5b82 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-95egd-7cb84b3aaf52827f4b3b329f0f2d5b82 av-special-heading-h3  avia-builder-el-61  el_after_av_iconlist  el_before_av_iconlist'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >\u5f0a<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8lgsoyh-27-908799a229340605a53c944408b0c429\">\n#top .avia-icon-list-container.av-l8lgsoyh-27-908799a229340605a53c944408b0c429 .iconlist_icon{\ncolor:#ffffff;\nbackground-color:#702423;\n}\n#top .avia-icon-list-container.av-l8lgsoyh-27-908799a229340605a53c944408b0c429 .iconlist_icon svg:first-child{\nstroke:#ffffff;\nfill:#ffffff;\n}\n.avia-icon-list-container.av-l8lgsoyh-27-908799a229340605a53c944408b0c429 .iconlist_content{\ncolor:#101010;\n}\n<\/style>\n<div  class='avia-icon-list-container av-l8lgsoyh-27-908799a229340605a53c944408b0c429  avia-builder-el-62  el_after_av_heading  avia-builder-el-last'><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-small av-l8lgsoyh-27-908799a229340605a53c944408b0c429 avia-iconlist-animate'>\n<li><div class='iconlist_icon av-85h8t-94838b2e506413d1da80a3241d7ee71d avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue819' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>\u4e24\u4e2a\u6216\u66f4\u591a\u7684\u9ea6\u514b\u98ce\u9700\u8981\u66f4\u5f3a\u7684\u5904\u7406\u80fd\u529b\u548c\u4e13\u4e1a\u77e5\u8bc6\uff0c\u800c\u4e14\u7531\u4e8e\u66f4\u591a\u7684\u9ea6\u514b\u98ce\u4f1a\u4ea7\u751f\u66f4\u591a\u7684\u5185\u90e8\u566a\u58f0\uff0c\u56e0\u6b64\u9700\u8981\u6602\u8d35\u7684\u9ad8\u6027\u80fd\u9ea6\u514b\u98ce\u3002\u56e0\u6b64\uff0c\u603b\u7684\u6765\u8bf4\uff0c\u8fd9\u79cd\u6df7\u5408 ANC \u65b9\u6cd5\u7684\u6210\u672c\u4f1a\u66f4\u9ad8\u3002\u6df7\u5408 ANC \u8bbe\u8ba1\u7684\u539f\u7406\u6a21\u578b\u5982\u56fe 5 \u6240\u793a<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-biw9y-38-be982fad841c45d897e723e07a359c65\">\n#top .flex_column.av-biw9y-38-be982fad841c45d897e723e07a359c65{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n.flex_column.av-biw9y-38-be982fad841c45d897e723e07a359c65{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-biw9y-38-be982fad841c45d897e723e07a359c65{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-biw9y-38-be982fad841c45d897e723e07a359c65 av_one_half  avia-builder-el-63  el_after_av_one_half  el_before_av_hr  flex_column_div av-zero-column-padding'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l833dvw1-37-dd7cc8a9edc01d0024a4c1294e1fe73d\">\n.avia-image-container.av-l833dvw1-37-dd7cc8a9edc01d0024a4c1294e1fe73d img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l833dvw1-37-dd7cc8a9edc01d0024a4c1294e1fe73d .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l833dvw1-37-dd7cc8a9edc01d0024a4c1294e1fe73d av-styling- avia_animated_image av-animated-when-visible-95 fade-in avia-align-center  avia-builder-el-64  avia-builder-el-no-sibling'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-550 avia-img-lazy-loading-not-550 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Hybrid_ANC_design@2x.png\" alt='' title='Hybrid_ANC_design@2x'  height=\"702\" width=\"850\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Hybrid_ANC_design@2x.png 850w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Hybrid_ANC_design@2x-300x248.png 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Hybrid_ANC_design@2x-768x634.png 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Hybrid_ANC_design@2x-705x582.png 705w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldu7yu78-31-1981c7a4086b56a86c72704bf1f0c347\">\n#top .hr.av-ldu7yu78-31-1981c7a4086b56a86c72704bf1f0c347{\nmargin-top:10px;\nmargin-bottom:10px;\n}\n.hr.av-ldu7yu78-31-1981c7a4086b56a86c72704bf1f0c347 .hr-inner{\nwidth:500;\nborder-color:#702423;\n}\n<\/style>\n<div  class='hr av-ldu7yu78-31-1981c7a4086b56a86c72704bf1f0c347 hr-custom  avia-builder-el-65  el_after_av_one_half  el_before_av_image  hr-center hr-icon-no'><span class='hr-inner inner-border-av-border-thin'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l833dvw1-24-aff2bb146492b9bf6b0e9769283e762c\">\n.avia-image-container.av-l833dvw1-24-aff2bb146492b9bf6b0e9769283e762c img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l833dvw1-24-aff2bb146492b9bf6b0e9769283e762c .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l833dvw1-24-aff2bb146492b9bf6b0e9769283e762c av-styling- avia_animated_image av-animated-when-visible-95 fade-in avia-align-center  avia-builder-el-66  el_after_av_hr  avia-builder-el-last'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-549 avia-img-lazy-loading-not-549 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Hybrid_ANC_design_1@2x.png\" alt='' title='Hybrid_ANC_design_1@2x'  height=\"558\" width=\"1056\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Hybrid_ANC_design_1@2x.png 1056w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Hybrid_ANC_design_1@2x-300x159.png 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Hybrid_ANC_design_1@2x-1030x544.png 1030w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Hybrid_ANC_design_1@2x-768x406.png 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Hybrid_ANC_design_1@2x-710x375.png 710w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Hybrid_ANC_design_1@2x-705x373.png 705w\" sizes=\"(max-width: 1056px) 100vw, 1056px\" \/><\/div><\/div><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-16tdaf-55-7cb773ac792f771aa89edfac500d66e8\">\n.avia-section.av-16tdaf-55-7cb773ac792f771aa89edfac500d66e8{\nbackground-color:#f9f9f9;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_7'  class='avia-section av-16tdaf-55-7cb773ac792f771aa89edfac500d66e8 main_color avia-section-default avia-no-border-styling  avia-builder-el-67  el_after_av_section  el_before_av_section  avia-bg-style-parallax container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-557'><div class='entry-content-wrapper clearfix'>\n<div class='flex_column_table av-15vtvr-54-e173728b045179014a8b82a9246d266a sc-av_one_full av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-15vtvr-54-e173728b045179014a8b82a9246d266a\">\n.flex_column.av-15vtvr-54-e173728b045179014a8b82a9246d266a{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-15vtvr-54-e173728b045179014a8b82a9246d266a av_one_full  avia-builder-el-68  el_before_av_textblock  avia-builder-el-first  first flex_column_table_cell av-equal-height-column av-align-middle av-animated-generic left-to-right av-zero-column-padding'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldydlmew-ee2121e5d4ab564fff556a5915816de3\">\n#top .av-special-heading.av-ldydlmew-ee2121e5d4ab564fff556a5915816de3{\nmargin:80px 0 0 0;\npadding-bottom:20px;\ncolor:#101010;\nfont-size:30px;\n}\nbody .av-special-heading.av-ldydlmew-ee2121e5d4ab564fff556a5915816de3 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-ldydlmew-ee2121e5d4ab564fff556a5915816de3 .av-special-heading-tag{\nfont-size:30px;\n}\n.av-special-heading.av-ldydlmew-ee2121e5d4ab564fff556a5915816de3 .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-ldydlmew-ee2121e5d4ab564fff556a5915816de3 .av-subheading{\nfont-size:15px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-ldydlmew-ee2121e5d4ab564fff556a5915816de3 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-ldydlmew-ee2121e5d4ab564fff556a5915816de3 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-ldydlmew-ee2121e5d4ab564fff556a5915816de3 av-special-heading-h2 custom-color-heading blockquote modern-quote  avia-builder-el-69  avia-builder-el-no-sibling  av-inherit-size'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >\u5bf9 anc \u6027\u80fd\u7684\u9650\u5236<\/h2><div class='av_custom_color av-subheading av-subheading_below'><p>- \u7406\u60f3\u7406\u8bba\u906d\u9047\u4e16\u754c\u5c40\u9650<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l833e7ea-28-751e7704ccb0ee676558597359b9910c\">\n#top .av_textblock_section.av-l833e7ea-28-751e7704ccb0ee676558597359b9910c .avia_textblock{\ncolor:#101010;\n}\n<\/style>\n<section  class='av_textblock_section av-l833e7ea-28-751e7704ccb0ee676558597359b9910c'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>\u5982\u679c\u6240\u6709\u6761\u4ef6\u90fd\u5f88\u7406\u60f3\uff0c\u4e0a\u8ff0 ANC \u539f\u7406\u5c31\u80fd\u5728\u5f88\u5bbd\u7684\u9891\u7387\u8303\u56f4\u5185\u53d1\u6325\u4f5c\u7528\u3002\u5b9e\u9645\u4e0a\uff0c\u6709\u8bb8\u591a\u56e0\u7d20\u9650\u5236\u4e86 ANC \u5728\u8f83\u9ad8\u9891\u7387\u4e0b\u7684\u6027\u80fd\u3002<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-fszce-29-9b4e4a13ae277ccfd7119abe2f87377a\">\n.flex_column.av-fszce-29-9b4e4a13ae277ccfd7119abe2f87377a{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-fszce-29-9b4e4a13ae277ccfd7119abe2f87377a av_one_half  avia-builder-el-71  el_after_av_textblock  el_before_av_one_half  first flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-f2n5h-69143ce30e5b0e30a51ec0dac6910929\">\n#top .av-special-heading.av-f2n5h-69143ce30e5b0e30a51ec0dac6910929{\npadding-bottom:10px;\ncolor:#702423;\n}\nbody .av-special-heading.av-f2n5h-69143ce30e5b0e30a51ec0dac6910929 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-f2n5h-69143ce30e5b0e30a51ec0dac6910929 .special-heading-inner-border{\nborder-color:#702423;\n}\n.av-special-heading.av-f2n5h-69143ce30e5b0e30a51ec0dac6910929 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class=\"BrdtekstFutura\">\u5728\u6570\u5b57\u57df\u5904\u7406\u4fe1\u53f7\u65f6\uff0c\u4f1a\u51fa\u73b0\u4e00\u4e9b\u5ef6\u8fdf\u95ee\u9898\uff0c\u4ece\u800c\u5f71\u54cd ANC \u6027\u80fd\u3002\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u5904\u7406\u8fc7\u7a0b\u5e94\u8be5\u662f\u96f6\u5ef6\u8fdf\uff0c\u4f46\u8fd9\u662f\u4e0d\u53ef\u80fd\u7684\u3002\u7531\u4e8e\u6d89\u53ca\u7684\u4fe1\u53f7\u9891\u7387\u6ce2\u957f\u8f83\u77ed\uff0c\u8fd9\u79cd\u5ef6\u8fdf\u5bf9\u9ad8\u9891 ANC \u7684\u5f71\u54cd\u6700\u5927\u3002<\/div>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8lgsoyh-26-6858752031fe36fa26e439ca34057c06\">\n#top .avia-icon-list-container.av-l8lgsoyh-26-6858752031fe36fa26e439ca34057c06 .iconlist_icon{\ncolor:#ffffff;\nbackground-color:#702423;\nborder:1px solid #ffffff;\n}\n#top .avia-icon-list-container.av-l8lgsoyh-26-6858752031fe36fa26e439ca34057c06 .iconlist_icon svg:first-child{\nstroke:#ffffff;\nfill:#ffffff;\n}\n.avia-icon-list-container.av-l8lgsoyh-26-6858752031fe36fa26e439ca34057c06 .iconlist_content{\ncolor:#101010;\n}\n<\/style>\n<div  class='avia-icon-list-container av-l8lgsoyh-26-6858752031fe36fa26e439ca34057c06  avia-builder-el-74  el_after_av_textblock  avia-builder-el-last'><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-small av-l8lgsoyh-26-6858752031fe36fa26e439ca34057c06 avia-iconlist-animate'>\n<li><div class='iconlist_icon av-mkg45-16e702e3e6bd1786fe0f362cbdce5cab avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue812' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>\u53ef\u63a5\u53d7\u7684\u6570\u5b57\u7fa4\u5ef6\u8fdf\u901a\u5e38\u4f4e\u4e8e 5 \u5fae\u79d2\u3002<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-fthz1-cf8792493869b1307918f068bc4eeecc avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue812' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>\u58f0\u97f3\uff08\u6a21\u62df\uff09\u5ef6\u8fdf\u901a\u5e38\u53ef\u4ee5\u5ffd\u7565\uff0c\u56e0\u4e3a\u5b83\u7684\u8303\u56f4\u5728 5-10 \u00b5sec \u4e4b\u95f4\uff0c\u4e0d\u4f1a\u5bf9\u603b\u5ef6\u8fdf\u4ea7\u751f\u91cd\u5927\u5f71\u54cd\u3002<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-fszce-21-59d874c7c2d8cc28c88a8ccfbad358ca\">\n.flex_column.av-fszce-21-59d874c7c2d8cc28c88a8ccfbad358ca{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-fszce-21-59d874c7c2d8cc28c88a8ccfbad358ca av_one_half  avia-builder-el-75  el_after_av_one_half  el_before_av_hr  flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-b1qbx-f9c67a8adfb88cd2be483349c590ae37\">\n#top .av-special-heading.av-b1qbx-f9c67a8adfb88cd2be483349c590ae37{\npadding-bottom:10px;\ncolor:#702423;\n}\nbody .av-special-heading.av-b1qbx-f9c67a8adfb88cd2be483349c590ae37 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-b1qbx-f9c67a8adfb88cd2be483349c590ae37 .special-heading-inner-border{\nborder-color:#702423;\n}\n.av-special-heading.av-b1qbx-f9c67a8adfb88cd2be483349c590ae37 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-b1qbx-f9c67a8adfb88cd2be483349c590ae37 av-special-heading-h3 custom-color-heading  avia-builder-el-76  el_before_av_textblock  avia-builder-el-first'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >\u6a21\u62df\u57df<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l833e7ea-20-b2f46dc1fc63c97cd40f7533fe4c4918\">\n#top .av_textblock_section.av-l833e7ea-20-b2f46dc1fc63c97cd40f7533fe4c4918 .avia_textblock{\ncolor:#101010;\n}\n<\/style>\n<section  class='av_textblock_section av-l833e7ea-20-b2f46dc1fc63c97cd40f7533fe4c4918'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><div class=\"BrdtekstFutura\">\u5728\u6a21\u62df\u57df\u4e2d\uff0c\u4e00\u4e2a\u91cd\u8981\u7684\u9650\u5236\u56e0\u7d20\u662f\u7528\u6237\u8033\u4e2d\u7cfb\u7edf\u4f20\u9012\u51fd\u6570\u7684\u65b9\u5dee\u3002\u9891\u7387\u8d8a\u9ad8\uff0c\u8fd9\u79cd\u65b9\u5dee\u5c31\u8d8a\u5927\uff0c\u4f20\u9012\u51fd\u6570\u7684\u76f8\u4f4d\u4e5f\u4f1a\u53d1\u751f\u591a\u6b21\u5feb\u901f\u504f\u79fb\u3002\u7531\u4e8e ANC \u7684\u57fa\u672c\u5e94\u7528\u662f\u5728\u53cd\u76f8\u4f4d\u4e2d\u6dfb\u52a0\u566a\u58f0\u4fe1\u53f7\uff0c\u56e0\u6b64\u8bb8\u591a\u5feb\u901f\u7684\u76f8\u4f4d\u504f\u79fb\u5f53\u7136\u4f1a\u5927\u5927\u589e\u52a0\u4efb\u52a1\u7684\u590d\u6742\u6027\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5728\u8f83\u9ad8\u9891\u7387\u4e0b\uff0c\u566a\u58f0\u7535\u5e73\u6781\u6709\u53ef\u80fd\u56e0\u6b64\u800c\u5347\u9ad8\uff0c\u751a\u81f3\u8fdb\u5165\u4e00\u4e2a\u4e0d\u7a33\u5b9a\u7684\u73af\u8def\uff0c\u627e\u5230\u81ea\u5df1\u7684\u5171\u632f\u9891\u7387\uff0c\u53d8\u6210\u4e00\u4e2a\u632f\u8361\u5668\u3002<\/div>\n<div class=\"BrdtekstFutura\"><\/div>\n<div class=\"BrdtekstFutura\">\u7531\u4e8e\u8fd9\u4e9b\u539f\u56e0\uff0cANC \u6027\u80fd\u901a\u5e38\u88ab\u9650\u5236\u5728 1.2kHz \u5de6\u53f3\u7684\u9891\u6bb5\u3002\u8fd9\u4e5f\u662f\u6709\u9053\u7406\u7684\uff0c\u56e0\u4e3a\u8033\u673a\/\u8033\u673a\u7684\u673a\u68b0\u7ed3\u6784\u53ef\u5728 1.2 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av-l833e7ea-17-128fac1fe45f8d17abb7d5dcfb2a0de8'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h4 class=\"OverskriftH4\">ANC \u5faa\u73af\u4e2d\u8981\u7d20\u7684\u5c40\u9650\u6027<\/h4>\n<p class=\"BrdtekstFutura\">ANC \u5faa\u73af\u6709\u4e09\u4e2a\u4e3b\u8981\u5143\u7d20\uff1a<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8lgsoyh-19-201cc89f55bc9a8d75e0c62a46b6e231\">\n#top .avia-icon-list-container.av-l8lgsoyh-19-201cc89f55bc9a8d75e0c62a46b6e231 .iconlist_icon{\ncolor:#ffffff;\nbackground-color:#702423;\nborder:1px solid #ffffff;\n}\n#top .avia-icon-list-container.av-l8lgsoyh-19-201cc89f55bc9a8d75e0c62a46b6e231 .iconlist_icon svg:first-child{\nstroke:#ffffff;\nfill:#ffffff;\n}\n.avia-icon-list-container.av-l8lgsoyh-19-201cc89f55bc9a8d75e0c62a46b6e231 .iconlist_content{\ncolor:#101010;\n}\n<\/style>\n<div  class='avia-icon-list-container av-l8lgsoyh-19-201cc89f55bc9a8d75e0c62a46b6e231  avia-builder-el-80  el_after_av_textblock  avia-builder-el-last'><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-small av-l8lgsoyh-19-201cc89f55bc9a8d75e0c62a46b6e231 avia-iconlist-animate'>\n<li><div class='iconlist_icon av-n7ykd-30fa06d444f155682a47a4e040dcc85b avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue812' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>\u9ea6\u514b\u98ce<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-gahut-0d2f146c24e842e47ee1b53b6bd0362f avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue812' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>\u9a71\u52a8\u5668\uff08\u63a5\u6536\u5668\uff09<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-8oolp-4e48d8adfac2d99460b3ba6c23f457c1 avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue812' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: \"><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><p>ANC \u5904\u7406\u5668\u82af\u7247<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldu7yu78-23-377a2c9e7a300b4b2a54be6a65a3d215\">\n#top .hr.av-ldu7yu78-23-377a2c9e7a300b4b2a54be6a65a3d215{\nmargin-top:10px;\nmargin-bottom:10px;\n}\n.hr.av-ldu7yu78-23-377a2c9e7a300b4b2a54be6a65a3d215 .hr-inner{\nwidth:500;\nborder-color:#702423;\n}\n<\/style>\n<div  class='hr av-ldu7yu78-23-377a2c9e7a300b4b2a54be6a65a3d215 hr-custom  avia-builder-el-81  el_after_av_one_half  el_before_av_textblock  hr-center hr-icon-no'><span class='hr-inner inner-border-av-border-thin'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l833e7ea-16-78a757c391bde97b6e933ef64643da68\">\n#top .av_textblock_section.av-l833e7ea-16-78a757c391bde97b6e933ef64643da68 .avia_textblock{\ncolor:#101010;\n}\n<\/style>\n<section  class='av_textblock_section av-l833e7ea-16-78a757c391bde97b6e933ef64643da68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e9b\u5143\u4ef6\u5728\u8f83\u5927\u7684\u52a8\u6001\u8303\u56f4\u5185\u5b8c\u5168\u7ebf\u6027\uff0c\u5177\u6709\u5e73\u5766\u7684\u9891\u7387\u548c\u76f8\u4f4d\u54cd\u5e94\uff0c\u5e76\u4e14\u6ca1\u6709\u5185\u90e8\u566a\u58f0\u3002\u5982\u679c\u662f\u8fd9\u6837\u7684\u8bdd\uff0c\u8bbe\u8ba1 ANC 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av-fszce-18-57a2cc0513a31dd6a1482869fe24c373 sc-av_one_half av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-fszce-18-57a2cc0513a31dd6a1482869fe24c373\">\n#top .flex_column_table.av-equal-height-column-flextable.av-fszce-18-57a2cc0513a31dd6a1482869fe24c373{\nmargin-top:30px;\nmargin-bottom:0px;\n}\n.flex_column.av-fszce-18-57a2cc0513a31dd6a1482869fe24c373{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-fszce-18-57a2cc0513a31dd6a1482869fe24c373 av_one_half  avia-builder-el-85  el_after_av_heading  el_before_av_one_half  first flex_column_table_cell av-equal-height-column av-align-top av-zero-column-padding'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l833e7ea-15-bdcee24a9721cd34d3a8cfa4b2602403\">\n#top .av_textblock_section.av-l833e7ea-15-bdcee24a9721cd34d3a8cfa4b2602403 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avia-builder-el-last  flex_column_table_cell av-equal-height-column av-align-top av-zero-column-padding'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l833e7ea-12-71c332710d32a3cc6105cf2b11608095\">\n#top .av_textblock_section.av-l833e7ea-12-71c332710d32a3cc6105cf2b11608095 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-l833e7ea-12-71c332710d32a3cc6105cf2b11608095'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h3 class=\"BrdtekstFutura\">\u4e8c\u7ea7\u53c2\u6570<\/h3>\n<div class=\"BrdtekstFutura\">\u63a5\u6536\u673a\u5e94\u7528\u7684\u4e0b\u5217\u53c2\u6570\u662f\u6b21\u8981\u7684\uff0c\u56e0\u4e3a\u5b83\u4eec\u4e0e\u6240\u9009 ANC \u6570\u5b57\u7cfb\u7edf\u4e2d\u53ef\u7528\u7684\u6ee4\u6ce2\u5668\u9636\u6570\u5bc6\u5207\u76f8\u5173\u3002\u51e0\u4e4e\u6240\u6709\u4ee5\u4e0b\u53c2\u6570\u90fd\u53ef\u4ee5\u901a\u8fc7\u65e0\u9650\u5236\u5730\u4f7f\u7528\u6ee4\u6ce2\u5668\u6570\u91cf\u6765\u8865\u507f\uff0c\u4f46\u4ee3\u4ef7\u662f ANC \u7535\u8def\u7684\u6210\u672c\u4ee5\u53ca\u529f\u8017\u7684\u589e\u52a0\u3002\u56e0\u6b64\uff0c\u826f\u597d\u7684\u5de5\u7a0b\u5b9e\u8df5\u662f\uff0c\u5728\u4f9d\u8d56\u66f4\u591a\u7684 ANC \u6ee4\u6ce2\u5668\u9636\u6570\u4e4b\u524d\uff0c\u5148\u4f18\u5316\u4ee5\u4e0b\u53c2\u6570\u3002<\/div>\n<\/div><\/section><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\n<\/p>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_9'  class='avia-section av-akx4r-14-d71ddf64b48799f2989b5dbc4f92b0e5 main_color avia-section-large avia-no-border-styling  avia-builder-el-89  el_after_av_section  el_before_av_section  avia-bg-style-scroll av-minimum-height av-minimum-height-custom av-height-custom  container_wrap sidebar_right'   data-av_minimum_height_px='500'><div class='container av-section-cont-open' style='height:500px'><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-557'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-fszce-13-1b2c988a5d0f8f0b745a26127d756967\">\n#top .flex_column.av-fszce-13-1b2c988a5d0f8f0b745a26127d756967{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n.flex_column.av-fszce-13-1b2c988a5d0f8f0b745a26127d756967{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-fszce-13-1b2c988a5d0f8f0b745a26127d756967{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-fszce-13-1b2c988a5d0f8f0b745a26127d756967 av_one_half  avia-builder-el-90  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldydmglg-492f3630a437952cadf1000e52ef5571\">\n#top .av-special-heading.av-ldydmglg-492f3630a437952cadf1000e52ef5571{\npadding-bottom:20px;\ncolor:#101010;\nfont-size:30px;\n}\nbody .av-special-heading.av-ldydmglg-492f3630a437952cadf1000e52ef5571 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-ldydmglg-492f3630a437952cadf1000e52ef5571 .av-special-heading-tag{\nfont-size:30px;\n}\n.av-special-heading.av-ldydmglg-492f3630a437952cadf1000e52ef5571 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class='av_textblock_section av-l833e7ea-10-58d69e136518e79f7ab36656d389627e'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"BrdtekstFutura\">\u6574\u4e2a\u63a5\u6536\u673a\u5e94\u7528\u7684\u963b\u5c3c\u6bd4\u03b6\uff08zeta\uff09\u5e94\u8c03\u81f3 0.7 \u5de6\u53f3\uff0c\u4ee5\u5b9e\u73b0\u7535\u4fe1\u53f7\u5230\u58f0\u5b66\u4fe1\u53f7\u7684\u6700\u4f73\u518d\u73b0\uff08\u7535\u4fe1\u53f7\u7684\u6700\u4f73\u955c\u50cf\uff09\u3002\u7535\u4fe1\u53f7\u4e0e\u58f0\u4fe1\u53f7\u7684\u6700\u4f73\u955c\u50cf\uff08\u7531\u63a5\u6536\u5668\u518d\u73b0\uff09\u5bf9\u4e8e\u786e\u4fdd ANC \u73af\u8def\u7684\u6700\u9ad8\u7ebf\u6027\u5ea6\uff0c\u4ece\u800c\u83b7\u5f97\u6700\u4f73 ANC \u6027\u80fd\u975e\u5e38\u91cd\u8981\u3002\u7ea6 0.7 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id=\"style-css-av-l8ljaggb-009dbad7018969ac892e11347a43dbbb\">\n.avia-image-container.av-l8ljaggb-009dbad7018969ac892e11347a43dbbb img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l8ljaggb-009dbad7018969ac892e11347a43dbbb .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l8ljaggb-009dbad7018969ac892e11347a43dbbb av-styling- avia_animated_image av-animated-when-visible-95 fade-in avia-align-center  avia-builder-el-94  avia-builder-el-no-sibling'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-545 avia-img-lazy-loading-not-545 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/Active_Noise_cancellation__design_parameters@2x-1030x658.png\" alt='' title='Active_Noise_cancellation__design_parameters@2x'  height=\"658\" 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data-created_by=\"avia_inline_auto\" id=\"style-css-av-biw9y-8-6f7078dedcd72a4515a91c091e1f1d7a\">\n.flex_column.av-biw9y-8-6f7078dedcd72a4515a91c091e1f1d7a{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-biw9y-8-6f7078dedcd72a4515a91c091e1f1d7a av_one_half  avia-builder-el-95  el_after_av_one_half  el_before_av_one_half  first flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8ljaggb-7-650c1872707f937777944508d1298c1c\">\n.avia-image-container.av-l8ljaggb-7-650c1872707f937777944508d1298c1c img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l8ljaggb-7-650c1872707f937777944508d1298c1c .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l8ljaggb-7-650c1872707f937777944508d1298c1c av-styling- avia_animated_image av-animated-when-visible-95 fade-in avia-align-center  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id=\"style-css-av-biw9y-6-0af3aec77dfebfa3cb703f7650a77560\">\n.flex_column.av-biw9y-6-0af3aec77dfebfa3cb703f7650a77560{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-biw9y-6-0af3aec77dfebfa3cb703f7650a77560 av_one_half  avia-builder-el-97  el_after_av_one_half  avia-builder-el-last  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-l833e7ea-9-d82d4124456ebe9eb271e6ea85a507d9'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"BrdtekstFutura\">\u5728\u9891\u57df\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u8868\u793a\u5171\u632f\u7cfb\u7edf\u7684\u54c1\u8d28\u56e0\u6570\uff08Q \u56e0\u5b50\uff09\u3002\u963b\u5c3c\u6bd4\u548c\u54c1\u8d28\u56e0\u6570\u4e4b\u95f4\u7684\u5173\u7cfb\u5f0f\u4e3a (1)<\/div>\n<div><\/div>\n<h3><\/h3>\n<h3 class=\"overskiftH3\">\u03b6=1\/(2*Q)<\/h3>\n<div><\/div>\n<div class=\"BrdtekstFutura\">\u901a\u8fc7\u516c\u5f0f 1 \u53ef\u4ee5\u8ba1\u7b97\u51fa\uff0c\u963b\u5c3c\u6bd4\u5728 0.7 \u5de6\u53f3\u65f6\uff0cQ \u7cfb\u6570\u4e3a 0.7\uff08\u79f0\u4e3a\u4e34\u754c\u963b\u5c3c\uff09\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5728\u9891\u57df\u4e2d\uff0c\u60a8\u9700\u8981\u4e00\u4e2a\u4e34\u754c\u963b\u5c3c\u7cfb\u7edf\u6765\u5b9e\u73b0\u6700\u4f73 ANC \u6761\u4ef6\u3002<\/div>\n<\/div><\/section><br \/>\n<section  class='av_textblock_section av-l833e7ea-3-a7c617b65a5f74e3655a8719d7d39e2f'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>\u7cfb\u7edf\u7684\u603b Q \u503c\u4e0e\u63a5\u6536\u5668\u7684\u603b Q \u503c\u4e0d\u540c\u3002\u63a5\u6536\u673a\u7684\u603b Q \u56e0\u5b50\u5fc5\u987b\u4e3b\u8981\u7531\u4e00\u4e2a\u975e\u5e38\u5f3a\u7684\u78c1\u94c1\u7cfb\u7edf\u63a7\u5236\uff0c\u5b83\u80fd\u5c06 Q \u56e0\u5b50\u964d\u4f4e\u5230 0.7 \u7684\u7406\u60f3\u503c\uff0c\u4f46\u901a\u5e38\u8fd9\u8fd8\u4e0d\u8db3\u4ee5\u8fbe\u5230 0.7 \u7684\u4e34\u754c\u963b\u5c3c\u7cfb\u6570\u3002\u5176\u4f59\u964d\u4f4e\u7cfb\u7edf Q \u56e0\u5b50\u7684\u65b9\u6cd5\u662f\u5728\u63a5\u6536\u5668\u540e\u4fa7\u8fdb\u884c\u7f51\u72b6\u8c03\u8c10\u548c\/\u6216\u5728\u8033\u673a\/\u8033\u673a\u7684\u540e\u901a\u98ce\u53e3\u4e0a\u8986\u76d6\u7f51\u72b6\u7269\u3002<br \/>\n\u56e0\u6b64\uff0c\u6839\u636e\u516c\u5f0f 1\uff0c\u5f53\u8c03\u8c10 Q \u56e0\u5b50\u7ea6\u4e3a 0.7 \u65f6\uff0c\u963b\u5c3c\u6bd4\u4e5f\u5c06\u7ea6\u4e3a 0.7\u3002<\/p>\n<\/div><\/section><\/p><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldu9w2sp-a486ac4f76574ede2b92a5bcc297ca4b\">\n.avia-section.av-ldu9w2sp-a486ac4f76574ede2b92a5bcc297ca4b{\nbackground-color:#f9f9f9;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_10'  class='avia-section av-ldu9w2sp-a486ac4f76574ede2b92a5bcc297ca4b main_color avia-section-default avia-no-border-styling  avia-builder-el-100  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-557'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-biw9y-4-2f30a4e8bd9b97d187fd4931f065f259\">\n#top .flex_column.av-biw9y-4-2f30a4e8bd9b97d187fd4931f065f259{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n.flex_column.av-biw9y-4-2f30a4e8bd9b97d187fd4931f065f259{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-biw9y-4-2f30a4e8bd9b97d187fd4931f065f259{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-biw9y-4-2f30a4e8bd9b97d187fd4931f065f259 av_one_half  avia-builder-el-101  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6l70d-b3d8b9f8f4f02945d1bec3e36877e2a0\">\n#top .av-special-heading.av-6l70d-b3d8b9f8f4f02945d1bec3e36877e2a0{\npadding-bottom:20px;\ncolor:#101010;\nfont-size:30px;\n}\nbody .av-special-heading.av-6l70d-b3d8b9f8f4f02945d1bec3e36877e2a0 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-6l70d-b3d8b9f8f4f02945d1bec3e36877e2a0 .av-special-heading-tag{\nfont-size:30px;\n}\n.av-special-heading.av-6l70d-b3d8b9f8f4f02945d1bec3e36877e2a0 .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-6l70d-b3d8b9f8f4f02945d1bec3e36877e2a0 .av-subheading{\nfont-size:15px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-6l70d-b3d8b9f8f4f02945d1bec3e36877e2a0 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-6l70d-b3d8b9f8f4f02945d1bec3e36877e2a0 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-6l70d-b3d8b9f8f4f02945d1bec3e36877e2a0 av-special-heading-h2 custom-color-heading blockquote modern-quote  avia-builder-el-102  el_before_av_textblock  avia-builder-el-first  av-inherit-size'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >\u76f8\u4f4d\u54cd\u5e94<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-l833e7ea-2-67de9f782e9d3622217b470045761153'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"BrdtekstFutura\">The receivers phase response up to around 1.2 kHz must have minimum phase shifts with a smooth response for the ANC processor to be able to handle the signal. Therefore resonances in this frequency range must be kept at a minimum. Preferably only the mechanical resonance determined by the moving mass (coil &amp; membrane) and the compliance of the membrane. This resonance is unavoidable in a moving coil receiver but must have as low a resonance frequency as possible for being positioned outside of the pass band.<\/div>\n<div class=\"BrdtekstFutura\">\u53ef\u4ee5\u770b\u51fa\uff0c0.7 \u7684\u963b\u5c3c\u6bd4\uff08\u7b49\u5f0f 1\uff09\u5c06\u4ea7\u751f\u6700\u5e73\u6ed1\u7684\u76f8\u4f4d\u54cd\u5e94\uff0c\u4ece\u800c\u83b7\u5f97\u6700\u4f73 ANC \u53cd\u76f8\u4f4d\u6821\u6b63\u6761\u4ef6\u3002<\/div>\n<div class=\"BrdtekstFutura\"><\/div>\n<div class=\"BrdtekstFutura\">\u7ed3\u8bba\u662f\uff0c0.7 \u7684\u7cfb\u7edf\u54c1\u8d28\u56e0\u6570\u53ef\u786e\u4fdd\u63a5\u6536\u5668\u8f93\u51fa\u7684\u7535\u4fe1\u53f7\u4e0e\u58f0\u4fe1\u53f7\u4e4b\u95f4\u7684\u6700\u4f73\u8f6c\u6362\uff0c\u800c\u8fd9\u6b63\u662f\u7cfb\u7edf\u83b7\u5f97\u6700\u4f73\u7ebf\u6027\u5ea6\u548c\u6700\u5e73\u5766\u76f8\u4f4d\u54cd\u5e94\u7684\u5fc5\u8981\u6761\u4ef6\uff0c\u53ef\u786e\u4fdd ANC \u73af\u8def\u83b7\u5f97\u6700\u4f73\u53cd\u76f8\u6761\u4ef6\u3002<\/div>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-biw9y-1-262866e86c1759b71f2949d386340c79\">\n#top .flex_column.av-biw9y-1-262866e86c1759b71f2949d386340c79{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n.flex_column.av-biw9y-1-262866e86c1759b71f2949d386340c79{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-biw9y-1-262866e86c1759b71f2949d386340c79{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-biw9y-1-262866e86c1759b71f2949d386340c79 av_one_half  avia-builder-el-104  el_after_av_one_half  avia-builder-el-last  flex_column_div av-zero-column-padding'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8ljaggb-5-52eba0babfa710be57d469d0e58f2ca6\">\n.avia-image-container.av-l8ljaggb-5-52eba0babfa710be57d469d0e58f2ca6 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l8ljaggb-5-52eba0babfa710be57d469d0e58f2ca6 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l8ljaggb-5-52eba0babfa710be57d469d0e58f2ca6 av-styling- avia_animated_image av-animated-when-visible-95 fade-in avia-align-center  avia-builder-el-105  avia-builder-el-no-sibling'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-546 avia-img-lazy-loading-not-546 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/ANC_Ole_wolff_drivers.jpg\" alt='' title='ANC_Ole_wolff_drivers'  height=\"400\" width=\"1008\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/ANC_Ole_wolff_drivers.jpg 1008w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/ANC_Ole_wolff_drivers-300x119.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/ANC_Ole_wolff_drivers-768x305.jpg 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/ANC_Ole_wolff_drivers-705x280.jpg 705w\" sizes=\"(max-width: 1008px) 100vw, 1008px\" \/><\/div><\/div><\/div><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_11'  class='avia-section av-4e37a-eda6d9ff5379244078b43599c2c2ac02 main_color avia-section-default avia-no-border-styling  avia-builder-el-106  el_after_av_section  avia-builder-el-last  avia-bg-style-parallax container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-557'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-70l0t-b883648c220172d1baf096663817fe60\">\n#top .av-special-heading.av-70l0t-b883648c220172d1baf096663817fe60{\nmargin:80px 0 0 0;\npadding-bottom:20px;\ncolor:#101010;\nfont-size:30px;\n}\nbody .av-special-heading.av-70l0t-b883648c220172d1baf096663817fe60 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-70l0t-b883648c220172d1baf096663817fe60 .av-special-heading-tag{\nfont-size:30px;\n}\n.av-special-heading.av-70l0t-b883648c220172d1baf096663817fe60 .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-70l0t-b883648c220172d1baf096663817fe60 .av-subheading{\nfont-size:15px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-70l0t-b883648c220172d1baf096663817fe60 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-70l0t-b883648c220172d1baf096663817fe60 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