{"id":679,"date":"2022-10-05T11:09:27","date_gmt":"2022-10-05T11:09:27","guid":{"rendered":"https:\/\/owolff.com.linux20.curanetserver.dk\/?page_id=679"},"modified":"2024-10-04T12:44:09","modified_gmt":"2024-10-04T10:44:09","slug":"headphones-and-earphones","status":"publish","type":"page","link":"https:\/\/owolff.com\/ch\/application-support\/headphones-and-earphones\/","title":{"rendered":"\u8033\u673a\u548c\u8033\u9ea6"},"content":{"rendered":"<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lcg9ppdn-bf4031eec3c687c136c12e3d5a37cd39\">\n.avia-section.av-lcg9ppdn-bf4031eec3c687c136c12e3d5a37cd39{\nmargin-bottom:0px;\n}\n.avia-section.av-lcg9ppdn-bf4031eec3c687c136c12e3d5a37cd39 .av-parallax .av-parallax-inner{\nbackground-color:#702423;\nbackground-image:url(https:\/\/owolff.com\/wp-content\/uploads\/2022\/09\/headphones_earphones.jpg);\nbackground-repeat:no-repeat;\nbackground-position:50% 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href='https:\/\/owolff.com\/ch\/application-support\/active-noise-cancellation\/'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>\u4e3b\u52a8\u5f0f\u964d\u566a<\/span><\/a><\/li>\n<li class='menu-item av-1e1ile-3f8ad34e6f847ab109c49ea5fe4a35ff menu-item-top-level menu-item-top-level-2' role='menuitem'><a href='https:\/\/owolff.com\/ch\/application-support\/audio-in-smart-glasses\/'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>\u667a\u80fd\u773c\u955c\u4e2d\u7684\u97f3\u9891<\/span><\/a><\/li>\n<li class='menu-item av-18i54i-be1d6a00b83cce88a6a4195ff1ac6752 menu-item-top-level menu-item-top-level-3' role='menuitem'><a href='https:\/\/owolff.com\/ch\/application-support\/buzzers-and-piezo-transducers\/'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>\u8702\u9e23\u5668\u548c\u538b\u7535\u4f20\u611f\u5668<\/span><\/a><\/li>\n<li class='menu-item av-10csxu-449b535d6fcbcf81d9e9b089b3076ebc menu-item-top-level menu-item-top-level-4' role='menuitem'><a href='https:\/\/owolff.com\/ch\/application-support\/diaphragm-design\/'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>\u9694\u819c\u8bbe\u8ba1<\/span><\/a><\/li>\n<li class='menu-item av-udpvu-e1bbe7aa4d2d4c10eebfb8b1ae823c25 menu-item-top-level menu-item-top-level-5' role='menuitem'><a href='https:\/\/owolff.com\/ch\/application-support\/headphones-and-earphones\/'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>\u8033\u673a\u548c\u8033\u9ea6<\/span><\/a><\/li>\n<li class='menu-item av-qbo62-ed4fc6559f9ecc15693b255a1c6f8ef9 menu-item-top-level menu-item-top-level-6' role='menuitem'><a href='https:\/\/owolff.com\/ch\/application-support\/simulation-in-comsol-multiphysics\/'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>Comsol Multiphysics\u00ae \u4eff\u771f<\/span><\/a><\/li>\n<li class='menu-item av-megu2-f840722b0e8b5793f96f9f727735da54 menu-item-top-level menu-item-top-level-7' role='menuitem'><a href='https:\/\/owolff.com\/ch\/application-support\/speaker-system-design\/'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>\u626c\u58f0\u5668\u7cfb\u7edf\u8bbe\u8ba1<\/span><\/a><\/li>\n<li class='menu-item av-hq3vm-83c9b19d3d567bfed0f8d80d4613f69d menu-item-top-level menu-item-top-level-8' role='menuitem'><a href='https:\/\/owolff.com\/ch\/application-support\/telecom-handsets\/'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>\u7535\u4fe1\u624b\u6301\u8bbe\u5907<\/span><\/a><\/li>\n<li class='menu-item av-72j8i-9162509e1ce42368ae9ca7583ac1b8ac menu-item-top-level menu-item-top-level-9' role='menuitem'><a href='https:\/\/owolff.com\/ch\/application-support\/transducer-design\/'  ><span class='avia-bullet'><\/span><span class='avia-menu-text'>\u6362\u80fd\u5668\u8bbe\u8ba1<\/span><\/a><\/li>\n<\/ul><\/div><\/div><div class='sticky_placeholder'><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" 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class='av-special-heading av-8wgsf-1f6bb12230a23157728f7afe90c47dae av-special-heading-h2 custom-color-heading blockquote modern-quote  avia-builder-el-13  el_before_av_textblock  avia-builder-el-first  av-inherit-size'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >\u8bbe\u8ba1\u76ee\u6807 <\/h2><div class='av_custom_color av-subheading av-subheading_below'><p>\u83b7\u5f97\u4f60\u60f3\u8981\u7684\u58f0\u97f3<\/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\">\u6211\u4eec\u53d1\u73b0\uff0c\u5ba2\u6237\u9996\u9009\u7684\u76ee\u6807\u56de\u5e94\u4e4b\u95f4\u5b58\u5728\u5f88\u591a\u5dee\u5f02\u3002<\/div>\n<div class=\"BrdtekstFutura\"><\/div>\n<div class=\"BrdtekstFutura\">\u5176\u4e2d\u4e00\u4e9b\u539f\u56e0\u53ef\u4ee5\u89e3\u91ca\u4e3a\u8033\u9053\u5927\u5c0f\/\u5c3a\u5bf8\u7684\u751f\u7406\u5dee\u5f02\uff0c\u53e6\u4e00\u4e9b\u539f\u56e0\u53ef\u80fd\u662f\u4e16\u754c\u5404\u5730\u533a\u97f3\u4e50\u98ce\u683c\u548c\u97f3\u4e50\u4f20\u7edf\u7684\u5dee\u5f02\u3002<\/div>\n<div class=\"BrdtekstFutura\"><\/div>\n<div class=\"BrdtekstFutura\">\u6709\u4e9b\u5ba2\u6237\u559c\u6b22\u57fa\u4e8e\u54c8\u66fc\u7814\u7a76\u7684\u76ee\u6807\u54cd\u5e94\uff08\u901a\u5e38\u79f0\u4e3a \u201c\u54c8\u66fc\u66f2\u7ebf\u201d\uff09\uff0c\u800c\u6709\u4e9b\u5ba2\u6237\u5219\u559c\u6b22\u5927\u91cf\u7684\u4f4e\u97f3\u6216\u6781\u9ad8\u7684\u5e26\u5bbd\u3002\u65e0\u8bba\u5728\u54ea\u79cd\u60c5\u51b5\u4e0b\uff0cOle Wolff \u90fd\u4f1a\u6839\u636e\u5ba2\u6237\u7684\u4e0d\u540c\u8981\u6c42\uff0c\u5bf9\u8033\u673a\u8fdb\u884c\u76f8\u5e94\u7684\u8c03\u6574\u3002<\/div>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8sncl-d2e0d17af8cf3a0230ade0f00356cc21\">\n#top .flex_column.av-8sncl-d2e0d17af8cf3a0230ade0f00356cc21{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n.flex_column.av-8sncl-d2e0d17af8cf3a0230ade0f00356cc21{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-8sncl-d2e0d17af8cf3a0230ade0f00356cc21{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-8sncl-d2e0d17af8cf3a0230ade0f00356cc21 av_one_half  avia-builder-el-15  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-l8lg505w-9b4090e3d0949f3aa65ce92bd5371a8a\">\n.avia-image-container.av-l8lg505w-9b4090e3d0949f3aa65ce92bd5371a8a img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l8lg505w-9b4090e3d0949f3aa65ce92bd5371a8a .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l8lg505w-9b4090e3d0949f3aa65ce92bd5371a8a av-styling- avia_animated_image av-animated-when-visible-95 fade-in avia-align-center  avia-builder-el-16  el_before_av_textblock  avia-builder-el-first'   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-685 avia-img-lazy-loading-not-685 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Headphone_and_earhone_design.png\" alt='' title='Headphone_and_earhone_design'  height=\"439\" width=\"1000\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Headphone_and_earhone_design.png 1000w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Headphone_and_earhone_design-300x132.png 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Headphone_and_earhone_design-768x337.png 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Headphone_and_earhone_design-705x309.png 705w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/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\" ><p style=\"text-align: center;\"><em>\u6d4b\u91cf\u7684\u8033\u673a\u54cd\u5e94\uff08\u6d0b\u7ea2\u8272\u66f2\u7ebf\uff09\u4e0e\u76ee\u6807\u54cd\u5e94\uff08\u84dd\u8272\u66f2\u7ebf\uff09\u7684\u5bf9\u6bd4\u3002<\/em><\/p>\n<\/div><\/section><\/p><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_4'  class='avia-section av-ldykxwdc-4c9804c2ba7103f59461e4b91b5b0f4a main_color avia-section-default avia-no-border-styling  avia-builder-el-18  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-679'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6tgxz-6dd28e5eb60635e9bf4db46ca662ac58\">\n#top .av-special-heading.av-6tgxz-6dd28e5eb60635e9bf4db46ca662ac58{\nmargin:80px 0 0 0;\npadding-bottom:20px;\ncolor:#101010;\nfont-size:30px;\n}\nbody .av-special-heading.av-6tgxz-6dd28e5eb60635e9bf4db46ca662ac58 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-6tgxz-6dd28e5eb60635e9bf4db46ca662ac58 .av-special-heading-tag{\nfont-size:30px;\n}\n.av-special-heading.av-6tgxz-6dd28e5eb60635e9bf4db46ca662ac58 .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-6tgxz-6dd28e5eb60635e9bf4db46ca662ac58 .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-6tgxz-6dd28e5eb60635e9bf4db46ca662ac58 .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-6tgxz-6dd28e5eb60635e9bf4db46ca662ac58 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-6tgxz-6dd28e5eb60635e9bf4db46ca662ac58 av-special-heading-h2 custom-color-heading blockquote modern-quote  avia-builder-el-19  el_before_av_textblock  avia-builder-el-first  av-inherit-size'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >\u4eff\u771f\u6a21\u62df<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\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\">\u5206\u6790\u548c\u4e86\u89e3\u58f0\u5b66\u539f\u7406\u662f\u5173\u952e\u3002<br \/>\n\u5728 Ole Wolff\uff0c\u6211\u4eec\u53ef\u4ee5\u5efa\u7acb\u58f0\u5b66\u6a21\u62df\uff0c\u5176\u4e2d\u5305\u542b\u8033\u673a\u5185\u6362\u80fd\u5668\u4ee5\u53ca\u9a71\u52a8\u5668\u5468\u56f4\u7a7a\u6c14\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u6839\u636e\u8033\u673a\u8bbe\u8ba1\u7684\u5e94\u7528\u548c\u590d\u6742\u7a0b\u5ea6\uff0c\u6211\u4eec\u4f1a\u5efa\u7acb\u4e8c\u7ef4 Spice \u6a21\u578b\u6216\u5b8c\u6574\u7684 Comsol\u2122 \u6a21\u578b\u3002\u901a\u8fc7\u8fd9\u79cd\u8bbe\u7f6e\uff0c\u6211\u4eec\u53ef\u4ee5\u975e\u5e38\u51c6\u786e\u5730\u9884\u6d4b\u58f0\u97f3\u6027\u80fd\uff0c\u5e76\u6839\u636e\u5ba2\u6237\u7684\u8981\u6c42\u8c03\u6574\u53c2\u6570\u3002<\/div>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldykz8s1-156c6b9d3c8288aa26c009668667f9f5\">\n#top .hr.hr-invisible.av-ldykz8s1-156c6b9d3c8288aa26c009668667f9f5{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-ldykz8s1-156c6b9d3c8288aa26c009668667f9f5 hr-invisible  avia-builder-el-21  el_after_av_textblock  el_before_av_image_hotspot  avia-builder-el-last'><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-sub-av-l8vj22un-7ef4e6d8774a6e6bc4fc39e8edb9e856\">\n.av-hotspot-image-container .av-image-hotspot.av-8bixj-3b8faf328745bfe2ed05a013399f39ab{\ntop:8.1%;\nleft:25.1%;\n}\n.av-hotspot-image-container .av-image-hotspot.av-8bixj-3b8faf328745bfe2ed05a013399f39ab .av-image-hotspot_inner{\nbackground-color:#702423;\ncolor:#101010;\n}\n.av-hotspot-image-container .av-image-hotspot.av-1d7om7-f8f45a54bc4730f60471cd6daadcdf68{\ntop:30%;\nleft:22.1%;\n}\n.av-hotspot-image-container .av-image-hotspot.av-1d7om7-f8f45a54bc4730f60471cd6daadcdf68 .av-image-hotspot_inner{\nbackground-color:#70140a;\ncolor:#888888;\n}\n.av-hotspot-image-container .av-image-hotspot.av-1d7om7-f8f45a54bc4730f60471cd6daadcdf68 .av-image-hotspot-pulse{\nbackground-color:#ffffff;\n}\n.av-hotspot-image-container .av-image-hotspot.av-1b67jz-08bbdc02afdf4ae869770f6980d3f226{\ntop:43.7%;\nleft:22.1%;\n}\n.av-hotspot-image-container .av-image-hotspot.av-1b67jz-08bbdc02afdf4ae869770f6980d3f226 .av-image-hotspot_inner{\nbackground-color:#70140a;\ncolor:#888888;\n}\n.av-hotspot-image-container .av-image-hotspot.av-1b67jz-08bbdc02afdf4ae869770f6980d3f226 .av-image-hotspot-pulse{\nbackground-color:#ffffff;\n}\n.av-hotspot-image-container .av-image-hotspot.av-3pya7-f0fffee14bcb63bd07449c223bbbe85c{\ntop:61.8%;\nleft:22.5%;\n}\n.av-hotspot-image-container .av-image-hotspot.av-3pya7-f0fffee14bcb63bd07449c223bbbe85c .av-image-hotspot_inner{\nbackground-color:#70140a;\ncolor:#888888;\n}\n.av-hotspot-image-container .av-image-hotspot.av-3pya7-f0fffee14bcb63bd07449c223bbbe85c .av-image-hotspot-pulse{\nbackground-color:#ffffff;\n}\n.av-hotspot-image-container .av-image-hotspot.av-xdx1j-3fe9f689ee3f689191665ec1521f76d9{\ntop:88.7%;\nleft:33.8%;\n}\n.av-hotspot-image-container .av-image-hotspot.av-xdx1j-3fe9f689ee3f689191665ec1521f76d9 .av-image-hotspot_inner{\nbackground-color:#70140a;\ncolor:#888888;\n}\n.av-hotspot-image-container .av-image-hotspot.av-xdx1j-3fe9f689ee3f689191665ec1521f76d9 .av-image-hotspot-pulse{\nbackground-color:#ffffff;\n}\n.av-hotspot-image-container .av-image-hotspot.av-p4jsn-01cdff6450c804a5c8ec964df14a791c{\ntop:56.2%;\nleft:77.4%;\n}\n.av-hotspot-image-container .av-image-hotspot.av-p4jsn-01cdff6450c804a5c8ec964df14a791c .av-image-hotspot_inner{\nbackground-color:#70140a;\ncolor:#888888;\n}\n.av-hotspot-image-container .av-image-hotspot.av-p4jsn-01cdff6450c804a5c8ec964df14a791c .av-image-hotspot-pulse{\nbackground-color:#ffffff;\n}\n.av-hotspot-image-container .av-image-hotspot.av-mfubb-4f72f1f13cb6aa52405a98052741bd9c{\ntop:41.9%;\nleft:76.4%;\n}\n.av-hotspot-image-container .av-image-hotspot.av-mfubb-4f72f1f13cb6aa52405a98052741bd9c .av-image-hotspot_inner{\nbackground-color:#70140a;\ncolor:#888888;\n}\n.av-hotspot-image-container .av-image-hotspot.av-mfubb-4f72f1f13cb6aa52405a98052741bd9c .av-image-hotspot-pulse{\nbackground-color:#ffffff;\n}\n.av-hotspot-image-container .av-image-hotspot.av-f09lj-1b8049a32e891efb4d92c6cd1177d821{\ntop:25.6%;\nleft:75.3%;\n}\n.av-hotspot-image-container .av-image-hotspot.av-f09lj-1b8049a32e891efb4d92c6cd1177d821 .av-image-hotspot_inner{\nbackground-color:#70140a;\ncolor:#888888;\n}\n.av-hotspot-image-container .av-image-hotspot.av-f09lj-1b8049a32e891efb4d92c6cd1177d821 .av-image-hotspot-pulse{\nbackground-color:#ffffff;\n}\n.av-hotspot-image-container .av-image-hotspot.av-bm8un-33e37b5508a028b0d9830b5f6edfcc38{\ntop:10%;\nleft:69.9%;\n}\n.av-hotspot-image-container .av-image-hotspot.av-bm8un-33e37b5508a028b0d9830b5f6edfcc38 .av-image-hotspot_inner{\nbackground-color:#70140a;\ncolor:#888888;\n}\n.av-hotspot-image-container .av-image-hotspot.av-bm8un-33e37b5508a028b0d9830b5f6edfcc38 .av-image-hotspot-pulse{\nbackground-color:#ffffff;\n}\n<\/style>\n<div  class='av-hotspot-image-container av-l8vj22un-7ef4e6d8774a6e6bc4fc39e8edb9e856  avia-builder-el-22  el_after_av_hr  el_before_av_textblock  av-hotspot-blank av-permanent-tooltip avia_animated_image avia_animate_when_almost_visible fade-in av-mobile-fallback-active  av-non-fullwidth-hotspot-image'  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class='av-hotspot-container'><div class='av-hotspot-container-inner-cell'><div class='av-hotspot-container-inner-wrap'><div class='av-image-hotspot av-8bixj-3b8faf328745bfe2ed05a013399f39ab av-image-hotspot-1 av-permanent-tooltip' data-avia-tooltip-position='left' data-avia-tooltip-alignment='centered' data-avia-tooltip-class='av-tt-default-width av-tt-pos-left av-tt-align-centered  av-mobile-fallback-active  av-permanent-tooltip-single  transparent_dark av-tt-hotspot' data-avia-tooltip='&lt;p&gt;Coupler impedance&lt;\/p&gt;'><div class='av-image-hotspot_inner'>1<\/div><div class='av-image-hotspot-pulse'><\/div><\/div><div class='av-image-hotspot av-1d7om7-f8f45a54bc4730f60471cd6daadcdf68 av-image-hotspot-2 av-permanent-tooltip' data-avia-tooltip-position='left' data-avia-tooltip-alignment='centered' data-avia-tooltip-class='av-tt-default-width av-tt-pos-left av-tt-align-centered  av-mobile-fallback-active  av-permanent-tooltip-single  transparent_dark av-tt-hotspot' data-avia-tooltip='&lt;p&gt;IEC 711 coupler&lt;\/p&gt;'><div class='av-image-hotspot_inner'>2<\/div><div class='av-image-hotspot-pulse'><\/div><\/div><div class='av-image-hotspot av-1b67jz-08bbdc02afdf4ae869770f6980d3f226 av-image-hotspot-3 av-permanent-tooltip' data-avia-tooltip-position='left' data-avia-tooltip-alignment='centered' data-avia-tooltip-class='av-tt-default-width av-tt-pos-left av-tt-align-centered  av-mobile-fallback-active  av-permanent-tooltip-single  transparent_dark av-tt-hotspot' data-avia-tooltip='&lt;p&gt;Front leakage with optional acoustic mesh&lt;\/p&gt;'><div class='av-image-hotspot_inner'>3<\/div><div class='av-image-hotspot-pulse'><\/div><\/div><div class='av-image-hotspot av-3pya7-f0fffee14bcb63bd07449c223bbbe85c av-image-hotspot-4 av-permanent-tooltip' data-avia-tooltip-position='left' data-avia-tooltip-alignment='centered' data-avia-tooltip-class='av-tt-default-width av-tt-pos-left av-tt-align-centered  av-mobile-fallback-active  av-permanent-tooltip-single  transparent_dark av-tt-hotspot' data-avia-tooltip='&lt;p&gt;Driver modelled using TS parameters&lt;\/p&gt;'><div class='av-image-hotspot_inner'>4<\/div><div class='av-image-hotspot-pulse'><\/div><\/div><div class='av-image-hotspot av-xdx1j-3fe9f689ee3f689191665ec1521f76d9 av-image-hotspot-5 av-permanent-tooltip' data-avia-tooltip-position='left' data-avia-tooltip-alignment='centered' data-avia-tooltip-class='av-tt-default-width av-tt-pos-left av-tt-align-centered  av-mobile-fallback-active  av-permanent-tooltip-single  transparent_dark av-tt-hotspot' data-avia-tooltip='&lt;p&gt;Rear leakage with optional acoustic mesh&lt;\/p&gt;'><div class='av-image-hotspot_inner'>5<\/div><div class='av-image-hotspot-pulse'><\/div><\/div><div class='av-image-hotspot av-p4jsn-01cdff6450c804a5c8ec964df14a791c av-image-hotspot-6 av-permanent-tooltip' data-avia-tooltip-position='right' data-avia-tooltip-alignment='centered' data-avia-tooltip-class='av-tt-default-width av-tt-pos-right av-tt-align-centered  av-mobile-fallback-active  av-permanent-tooltip-single  transparent_dark av-tt-hotspot' data-avia-tooltip='&lt;p&gt;Air volume behind driver&lt;\/p&gt;'><div class='av-image-hotspot_inner'>6<\/div><div class='av-image-hotspot-pulse'><\/div><\/div><div class='av-image-hotspot av-mfubb-4f72f1f13cb6aa52405a98052741bd9c av-image-hotspot-7 av-permanent-tooltip' data-avia-tooltip-position='right' data-avia-tooltip-alignment='centered' data-avia-tooltip-class='av-tt-default-width av-tt-pos-right av-tt-align-centered  av-mobile-fallback-active  av-permanent-tooltip-single  transparent_dark av-tt-hotspot' data-avia-tooltip='&lt;p&gt;Internal air volume inside driver&lt;\/p&gt;'><div class='av-image-hotspot_inner'>7<\/div><div class='av-image-hotspot-pulse'><\/div><\/div><div class='av-image-hotspot av-f09lj-1b8049a32e891efb4d92c6cd1177d821 av-image-hotspot-8 av-permanent-tooltip' data-avia-tooltip-position='right' data-avia-tooltip-alignment='centered' data-avia-tooltip-class='av-tt-default-width av-tt-pos-right av-tt-align-centered  av-mobile-fallback-active  av-permanent-tooltip-single  transparent_dark av-tt-hotspot' data-avia-tooltip='&lt;p&gt;Air volume in front of driver&lt;\/p&gt;'><div class='av-image-hotspot_inner'>8<\/div><div class='av-image-hotspot-pulse'><\/div><\/div><div class='av-image-hotspot av-bm8un-33e37b5508a028b0d9830b5f6edfcc38 av-image-hotspot-9 av-permanent-tooltip' data-avia-tooltip-position='right' data-avia-tooltip-alignment='centered' data-avia-tooltip-class='av-tt-default-width av-tt-pos-right av-tt-align-centered  av-mobile-fallback-active  av-permanent-tooltip-single  transparent_dark av-tt-hotspot' data-avia-tooltip='&lt;p&gt;Optional acoustic mesh on outlet&lt;\/p&gt;'><div class='av-image-hotspot_inner'>9<\/div><div class='av-image-hotspot-pulse'><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-689 avia-img-lazy-loading-not-689 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Earbud_sim.png\" alt='' title='Earbud_sim'  height=\"835\" width=\"1385\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Earbud_sim.png 1385w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Earbud_sim-300x181.png 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Earbud_sim-1030x621.png 1030w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Earbud_sim-768x463.png 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Earbud_sim-705x425.png 705w\" sizes=\"(max-width: 1385px) 100vw, 1385px\" \/><\/div><\/div><\/div><div class='av-hotspot-fallback-tooltip av-image-hotspot-1 av-permanent-tooltip'><div class=\"av-hotspot-fallback-tooltip-count\">1<div class=\"avia-arrow\"><\/div><\/div><div class=\"av-hotspot-fallback-tooltip-inner clearfix\"><p>\u8026\u5408\u5668\u963b\u6297<\/p>\n<\/div><\/div><div class='av-hotspot-fallback-tooltip av-image-hotspot-2 av-permanent-tooltip'><div class=\"av-hotspot-fallback-tooltip-count\">2<div class=\"avia-arrow\"><\/div><\/div><div class=\"av-hotspot-fallback-tooltip-inner clearfix\"><p>IEC 711 \u8026\u5408\u5668<\/p>\n<\/div><\/div><div class='av-hotspot-fallback-tooltip av-image-hotspot-3 av-permanent-tooltip'><div class=\"av-hotspot-fallback-tooltip-count\">3<div class=\"avia-arrow\"><\/div><\/div><div class=\"av-hotspot-fallback-tooltip-inner clearfix\"><p>\u524d\u90e8\u6e17\u6f0f\uff0c\u53ef\u9009\u914d\u9694\u97f3\u7f51<\/p>\n<\/div><\/div><div class='av-hotspot-fallback-tooltip av-image-hotspot-4 av-permanent-tooltip'><div class=\"av-hotspot-fallback-tooltip-count\">4<div class=\"avia-arrow\"><\/div><\/div><div class=\"av-hotspot-fallback-tooltip-inner clearfix\"><p>\u4f7f\u7528 TS \u53c2\u6570\u6a21\u62df\u7684\u9a71\u52a8\u7a0b\u5e8f<\/p>\n<\/div><\/div><div class='av-hotspot-fallback-tooltip av-image-hotspot-5 av-permanent-tooltip'><div class=\"av-hotspot-fallback-tooltip-count\">5<div class=\"avia-arrow\"><\/div><\/div><div class=\"av-hotspot-fallback-tooltip-inner clearfix\"><p>\u540e\u90e8\u6e17\u6f0f\uff0c\u53ef\u9009\u914d\u9694\u97f3\u7f51<\/p>\n<\/div><\/div><div class='av-hotspot-fallback-tooltip av-image-hotspot-6 av-permanent-tooltip'><div class=\"av-hotspot-fallback-tooltip-count\">6<div class=\"avia-arrow\"><\/div><\/div><div class=\"av-hotspot-fallback-tooltip-inner clearfix\"><p>\u9a7e\u9a76\u5458\u540e\u65b9\u7684\u7a7a\u6c14\u91cf<\/p>\n<\/div><\/div><div class='av-hotspot-fallback-tooltip av-image-hotspot-7 av-permanent-tooltip'><div class=\"av-hotspot-fallback-tooltip-count\">7<div class=\"avia-arrow\"><\/div><\/div><div class=\"av-hotspot-fallback-tooltip-inner clearfix\"><p>\u9a7e\u9a76\u5458\u5185\u90e8\u7a7a\u6c14\u91cf<\/p>\n<\/div><\/div><div class='av-hotspot-fallback-tooltip av-image-hotspot-8 av-permanent-tooltip'><div class=\"av-hotspot-fallback-tooltip-count\">8<div class=\"avia-arrow\"><\/div><\/div><div class=\"av-hotspot-fallback-tooltip-inner clearfix\"><p>\u9a7e\u9a76\u5458\u524d\u65b9\u7684\u7a7a\u6c14\u91cf<\/p>\n<\/div><\/div><div class='av-hotspot-fallback-tooltip av-image-hotspot-9 av-permanent-tooltip'><div class=\"av-hotspot-fallback-tooltip-count\">9<div class=\"avia-arrow\"><\/div><\/div><div class=\"av-hotspot-fallback-tooltip-inner clearfix\"><p>\u51fa\u98ce\u53e3\u53ef\u9009\u914d\u9694\u97f3\u7f51<\/p>\n<\/div><\/div><\/div>\n<section  class='av_textblock_section av-l833e7ea-dc859c8958fca18fc161bfe8a37a3212'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"BrdtekstFutura\" style=\"text-align: center;\"><em>\u4f7f\u7528\u538b\u529b\u58f0\u5b66\u548c\u9a71\u52a8\u5355\u5143\u7684\u96c6\u603b\u7535\u6c14+\u673a\u68b0\u53c2\u6570\u5728Comsol\u2122\u4e2d\u5bf9\u8033\u673a\u8fdb\u884c\u5efa\u6a21\u3002\u4e3a\u4e86\u51cf\u5c11\u8ba1\u7b97\u65f6\u95f4\uff0c\u4f7f\u7528\u4e86\u5bf9\u79f0\u6027\u3002 <\/em><\/div>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2agvz-e16f202731a569ddde7f5ecc1c9f2f74\">\n.flex_column.av-2agvz-e16f202731a569ddde7f5ecc1c9f2f74{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2agvz-e16f202731a569ddde7f5ecc1c9f2f74 av_one_third  avia-builder-el-24  el_after_av_textblock  el_before_av_one_third  first flex_column_div av-zero-column-padding  column-top-margin'     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-dmr6v-d7545f89efd17c55655a640082088882\">\n.flex_column.av-dmr6v-d7545f89efd17c55655a640082088882{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-dmr6v-d7545f89efd17c55655a640082088882 av_one_third  avia-builder-el-25  el_after_av_one_third  el_before_av_one_third  flex_column_div av-zero-column-padding  column-top-margin'     ><div  class='avia-button-wrap av-141q93-34520843f485ff029d210c1352708a79-wrap avia-button-center  avia-builder-el-26  avia-builder-el-no-sibling  button-front-2'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-141q93-34520843f485ff029d210c1352708a79\">\n#top #wrap_all .avia-button.av-141q93-34520843f485ff029d210c1352708a79{\ncolor:#bf4542;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-141q93-34520843f485ff029d210c1352708a79:hover{\nbackground-color:#ffffff;\ncolor:#ffffff;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-141q93-34520843f485ff029d210c1352708a79 .avia-svg-icon svg:first-child{\nfill:#bf4542;\nstroke:#bf4542;\n}\n#top #wrap_all .avia-button.av-141q93-34520843f485ff029d210c1352708a79:hover .avia-svg-icon svg:first-child{\nfill:#ffffff;\nstroke:#ffffff;\n}\n<\/style>\n<a href='https:\/\/owolff.com\/ch\/application-support\/simulation-in-comsol-multiphysics\/'  class='avia-button av-141q93-34520843f485ff029d210c1352708a79 av-link-btn avia-icon_select-yes-right-icon avia-size-large avia-position-center avia-color-light'   aria-label=\"\u4e86\u89e3\u6709\u5173 Comsol Multiphysics \u4eff\u771f\u7684\u66f4\u591a\u4fe1\u606f\"><span class='avia_iconbox_title' >\u4e86\u89e3\u6709\u5173 Comsol Multiphysics \u4eff\u771f\u7684\u66f4\u591a\u4fe1\u606f<\/span><span class='avia_button_icon avia_button_icon_right avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue875' data-av_iconfont='entypo-fontello' ><\/span><\/a><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8bpvj-89c3d8acb72d0c93fe1ec4553ba3f0f2\">\n.flex_column.av-8bpvj-89c3d8acb72d0c93fe1ec4553ba3f0f2{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-8bpvj-89c3d8acb72d0c93fe1ec4553ba3f0f2 av_one_third  avia-builder-el-27  el_after_av_one_third  el_before_av_one_half  flex_column_div av-zero-column-padding  column-top-margin'     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-43967-52307a53ba56b5fd26059d68fbf62a62\">\n#top .flex_column.av-43967-52307a53ba56b5fd26059d68fbf62a62{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n.flex_column.av-43967-52307a53ba56b5fd26059d68fbf62a62{\nborder-radius:0px 0px 0px 0px;\npadding:2% 2% 2% 2%;\n}\n.responsive #top #wrap_all .flex_column.av-43967-52307a53ba56b5fd26059d68fbf62a62{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-43967-52307a53ba56b5fd26059d68fbf62a62 av_one_half  avia-builder-el-28  el_after_av_one_third  el_before_av_one_half  first flex_column_div av-animated-generic right-to-left  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l833dvw1-5b116b2b59fac8f1cfa7a0d07b56a505\">\n.avia-image-container.av-l833dvw1-5b116b2b59fac8f1cfa7a0d07b56a505 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l833dvw1-5b116b2b59fac8f1cfa7a0d07b56a505 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l833dvw1-5b116b2b59fac8f1cfa7a0d07b56a505 av-styling- avia_animated_image av-animated-when-visible-95 fade-in avia-align-center  avia-builder-el-29  el_before_av_textblock  avia-builder-el-first'   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-681 avia-img-lazy-loading-not-681 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Acoustic_simulation_analysing_1.jpg\" alt='' title='Acoustic_simulation_analysing_1'  height=\"480\" width=\"640\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Acoustic_simulation_analysing_1.jpg 640w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Acoustic_simulation_analysing_1-300x225.jpg 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-l833e7ea-dc859c8958fca18fc161bfe8a37a3212'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>\u901a\u5e38\u4f7f\u7528\u4e8c\u7ef4\u548c\u4e09\u7ef4\u6a21\u62df\u6765\u6a21\u62df\u6f0f\u5b54\u3001\u524d\u8154\u548c\u540e\u8154\u7b49\u7684\u5f71\u54cd\u3002<\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-43967-4415aec8faaa06f79b25d79fa0e2ac6a\">\n#top .flex_column.av-43967-4415aec8faaa06f79b25d79fa0e2ac6a{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n.flex_column.av-43967-4415aec8faaa06f79b25d79fa0e2ac6a{\nborder-radius:0px 0px 0px 0px;\npadding:2% 2% 2% 2%;\n}\n.responsive #top #wrap_all .flex_column.av-43967-4415aec8faaa06f79b25d79fa0e2ac6a{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-43967-4415aec8faaa06f79b25d79fa0e2ac6a av_one_half  avia-builder-el-31  el_after_av_one_half  avia-builder-el-last  flex_column_div av-animated-generic right-to-left  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l833dvw1-2c316eafc06e9ffad89c089dd9553008\">\n.avia-image-container.av-l833dvw1-2c316eafc06e9ffad89c089dd9553008 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l833dvw1-2c316eafc06e9ffad89c089dd9553008 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l833dvw1-2c316eafc06e9ffad89c089dd9553008 av-styling- avia_animated_image av-animated-when-visible-95 fade-in avia-align-center  avia-builder-el-32  el_before_av_textblock  avia-builder-el-first'   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-682 avia-img-lazy-loading-not-682 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Comsol_simulation_acoustic_design@2x.gif\" alt='' title='Comsol_simulation_acoustic_design@2x'  height=\"480\" width=\"640\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-l833e7ea-dc859c8958fca18fc161bfe8a37a3212'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>COMSOL Multiphysics\u00ae \u7528\u4e8e\u4f18\u5316\u987a\u5e94\u6027\u548c\u5206\u88c2\u6a21\u6001\u7684\u7ebf\u6027\u5ea6\u3002\u56fe\u50cf\u663e\u793a\u4e86\u5bf950\u6beb\u7c73\u53d7\u8bdd\u5668\u7684\u632f\u819c\u8fd0\u52a8\u5206\u6790\u3002<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l8lgent3-59acb8cf90626f2a9cf1f798b64b2292\">\n#top .hr.hr-invisible.av-l8lgent3-59acb8cf90626f2a9cf1f798b64b2292{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-l8lgent3-59acb8cf90626f2a9cf1f798b64b2292 hr-invisible  avia-builder-el-34  el_after_av_textblock  el_before_av_button'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<div  class='avia-button-wrap av-141q93-7210016837cf9fc7b48028078593bede-wrap avia-button-center  avia-builder-el-35  el_after_av_hr  avia-builder-el-last  button-front-2'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-141q93-7210016837cf9fc7b48028078593bede\">\n#top #wrap_all .avia-button.av-141q93-7210016837cf9fc7b48028078593bede{\ncolor:#bf4542;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-141q93-7210016837cf9fc7b48028078593bede:hover{\nbackground-color:#ffffff;\ncolor:#ffffff;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-141q93-7210016837cf9fc7b48028078593bede .avia-svg-icon svg:first-child{\nfill:#bf4542;\nstroke:#bf4542;\n}\n#top #wrap_all .avia-button.av-141q93-7210016837cf9fc7b48028078593bede:hover .avia-svg-icon svg:first-child{\nfill:#ffffff;\nstroke:#ffffff;\n}\n<\/style>\n<a href='https:\/\/owolff.com\/ch\/application-support\/diaphragm-design\/'  class='avia-button av-141q93-7210016837cf9fc7b48028078593bede av-link-btn avia-icon_select-yes-right-icon avia-size-large avia-position-center avia-color-light'   aria-label=\"\u4e86\u89e3\u66f4\u591a\u6709\u5173\u9694\u819c\u8bbe\u8ba1\u7684\u4fe1\u606f\"><span class='avia_iconbox_title' >\u4e86\u89e3\u66f4\u591a\u6709\u5173\u9694\u819c\u8bbe\u8ba1\u7684\u4fe1\u606f<\/span><span class='avia_button_icon avia_button_icon_right avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue875' data-av_iconfont='entypo-fontello' ><\/span><\/a><\/div><\/p><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jftj7-e622e7afcdc8040f1acdc81d34a63755\">\n.avia-section.av-jftj7-e622e7afcdc8040f1acdc81d34a63755{\nbackground-color:#f9f9f9;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_5'  class='avia-section av-jftj7-e622e7afcdc8040f1acdc81d34a63755 alternate_color avia-section-large avia-no-border-styling  avia-builder-el-36  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-679'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-gwrjx-a5507b0ee1d3bdc55658373e01bcd515\">\n#top .flex_column.av-gwrjx-a5507b0ee1d3bdc55658373e01bcd515{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n.flex_column.av-gwrjx-a5507b0ee1d3bdc55658373e01bcd515{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-gwrjx-a5507b0ee1d3bdc55658373e01bcd515{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-gwrjx-a5507b0ee1d3bdc55658373e01bcd515 av_one_half  avia-builder-el-37  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-6rml3-95dfa181617c3e03fa52cfa38ce044c7\">\n#top .av-special-heading.av-6rml3-95dfa181617c3e03fa52cfa38ce044c7{\npadding-bottom:20px;\ncolor:#101010;\nfont-size:30px;\n}\nbody .av-special-heading.av-6rml3-95dfa181617c3e03fa52cfa38ce044c7 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-6rml3-95dfa181617c3e03fa52cfa38ce044c7 .av-special-heading-tag{\nfont-size:30px;\n}\n.av-special-heading.av-6rml3-95dfa181617c3e03fa52cfa38ce044c7 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data-created_by=\"avia_inline_auto\" id=\"style-css-av-l833e7ea-06969554de6fb9313f8398ba74c10f3e\">\n#top .av_textblock_section.av-l833e7ea-06969554de6fb9313f8398ba74c10f3e .avia_textblock{\ncolor:#101010;\n}\n<\/style>\n<section  class='av_textblock_section av-l833e7ea-06969554de6fb9313f8398ba74c10f3e'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>\u94bb\u5b54\u3001\u4fee\u6539\u524d\u540e\u6cc4\u6f0f\u3001\u6539\u53d8\u7f51\u5b54\u5bc6\u5ea6\u2026\u2026<\/p>\n<p>\u4e0a\u8ff0\u6a21\u62df\u5de5\u5177\u53ef\u5e2e\u52a9\u6211\u4eec\u5728\u5f88\u77ed\u7684\u65f6\u95f4\u5185\u5411\u5ba2\u6237\u4ea4\u4ed8\u6837\u673a\uff0c\u4f9b\u5176\u8fdb\u884c\u521d\u6b65\u542c\u97f3\u6d4b\u8bd5\u548c\u5b9e\u9a8c\u5ba4\u6d4b\u8bd5\uff0c\u4ee5\u7f16\u5236\u6587\u4ef6\u3002<\/p>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u201c\u8f6f\u6a21\u5177 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alt='' title='Prototyping_acoustic_design'  height=\"667\" width=\"1000\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Prototyping_acoustic_design.jpg 1000w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Prototyping_acoustic_design-300x200.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Prototyping_acoustic_design-768x512.jpg 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/Prototyping_acoustic_design-705x470.jpg 705w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/div><\/div><\/div><\/div>\n<\/p>\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-42  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-679'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-biw9y-8e71de78d2f72c73d60b59c33ac9e856\">\n#top .flex_column.av-biw9y-8e71de78d2f72c73d60b59c33ac9e856{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n.flex_column.av-biw9y-8e71de78d2f72c73d60b59c33ac9e856{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-biw9y-8e71de78d2f72c73d60b59c33ac9e856{\nmargin-top:80px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-biw9y-8e71de78d2f72c73d60b59c33ac9e856 av_one_half  avia-builder-el-43  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-l833dvw1-58c74481232bd24cbbcaf3271e192787\">\n.avia-image-container.av-l833dvw1-58c74481232bd24cbbcaf3271e192787 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l833dvw1-58c74481232bd24cbbcaf3271e192787 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l833dvw1-58c74481232bd24cbbcaf3271e192787 av-styling- avia_animated_image av-animated-when-visible-95 fade-in avia-align-center  avia-builder-el-44  el_before_av_textblock  avia-builder-el-first'   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-688 avia-img-lazy-loading-not-688 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/testing_acoustic_headphone@2x.jpg_1.jpg\" alt='' title='testing_acoustic_headphone@2x.jpg_1'  height=\"666\" width=\"446\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/testing_acoustic_headphone@2x.jpg_1.jpg 446w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/testing_acoustic_headphone@2x.jpg_1-201x300.jpg 201w\" sizes=\"(max-width: 446px) 100vw, 446px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-l833e7ea-dc859c8958fca18fc161bfe8a37a3212'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h4 class=\"sectionheader\"><\/h4>\n<div class=\"BrdtekstFutura\" style=\"text-align: center;\"><em>\u5934\u90e8\u548c\u8eaf\u5e72\u6a21\u62df\u5668\uff0c\u6d4b\u91cf\u4e00\u526f\u964d\u566a\u8033\u673a\u3002<\/em><\/div>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-biw9y-806b9bebb8e7ebfe7476f610311c134c\">\n#top 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av-subheading av-subheading_below'><p>\u4f7f\u7528\u6807\u51c6\u5316\u6d4b\u8bd5\u65b9\u6cd5<\/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-dc859c8958fca18fc161bfe8a37a3212'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h4 class=\"sectionheader\"><\/h4>\n<div class=\"BrdtekstFutura\">\u4f4d\u4e8e\u4e39\u9ea6\u548c\u4e2d\u56fd\u7684 Ole Wolff \u5f00\u53d1\u57fa\u5730\u7684\u5b9e\u9a8c\u5ba4\u914d\u5907\u4e86\u6700\u5148\u8fdb\u7684\u6807\u51c6\u5316\u6d4b\u91cf\u8bbe\u5907\uff0c\u4e13\u95e8\u7528\u4e8e\u9a8c\u8bc1\u4e13\u4e1a\u97f3\u54cd\u6d88\u8d39\u4ea7\u54c1\u7684\u6027\u80fd\u3002<\/div>\n<div class=\"BrdtekstFutura\"><\/div>\n<div 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src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/testing_acoustic_design_in-ear_phone.jpg\" alt='' title='testing_acoustic_design_in-ear_phone'  height=\"666\" width=\"1002\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/testing_acoustic_design_in-ear_phone.jpg 1002w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/testing_acoustic_design_in-ear_phone-300x199.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/testing_acoustic_design_in-ear_phone-768x510.jpg 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/10\/testing_acoustic_design_in-ear_phone-705x469.jpg 705w\" sizes=\"(max-width: 1002px) 100vw, 1002px\" \/><\/div><\/div><\/div><\/p><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" 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