{"id":1554,"date":"2024-07-19T16:02:34","date_gmt":"2024-07-19T08:02:34","guid":{"rendered":"https:\/\/ecmicrophones.com\/?p=1554"},"modified":"2026-03-05T12:46:46","modified_gmt":"2026-03-05T04:46:46","slug":"how-does-a-condenser-microphone-work","status":"publish","type":"post","link":"https:\/\/ecmicrophones.com\/ja\/how-does-a-condenser-microphone-work\/","title":{"rendered":"\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u30de\u30a4\u30af\u306f\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b?"},"content":{"rendered":"<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3068\u97f3\u58f0\u5236\u5fa1\u306e\u6642\u4ee3\u3067\u306f\u7279\u306b\u3001\u3069\u3053\u306b\u3067\u3082\u5b58\u5728\u3057\u307e\u3059\u3002\u30ab\u30e9\u30aa\u30b1 \u30de\u30a4\u30af\u304b\u3089\u9ad8\u7d1a\u30ef\u30a4\u30e4\u30ec\u30b9 \u30de\u30a4\u30af\u3001\u9ad8\u54c1\u8cea\u306e\u30dc\u30a4\u30b9 \u30ec\u30b3\u30fc\u30c0\u30fc\u3001\u3055\u307e\u3056\u307e\u306a Bluetooth \u30b9\u30d4\u30fc\u30ab\u30fc\u307e\u3067\u3001\u5e45\u5e83\u3044\u30c7\u30d0\u30a4\u30b9\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002AI \u304a\u3082\u3061\u3083\u306b\u3082\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u306e\u4ed5\u7d44\u307f\u3068\u69cb\u6210\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><div>\u3053\u306e\u8a18\u4e8b\u3067<\/div><nav><ul><li class=\"\"><a href=\"#the-basic-concept-of-capacitance\">\u9759\u96fb\u5bb9\u91cf\u306e\u57fa\u672c\u6982\u5ff5<\/a><\/li><li class=\"\"><a href=\"#structure-of-a-condenser-microphone\">\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u30de\u30a4\u30af\u306e\u69cb\u9020<\/a><\/li><li class=\"\"><a href=\"#how-it-works\">\u4ed5\u7d44\u307f<\/a><\/li><li class=\"\"><a href=\"#the-role-of-electret-materials\">\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u6750\u6599\u306e\u5f79\u5272<\/a><\/li><li class=\"\"><a href=\"#amplifying-the-signal\">\u4fe1\u53f7\u306e\u5897\u5e45<\/a><\/li><li class=\"\"><a href=\"#key-components-of-a-condenser-microphone\">\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u30de\u30a4\u30af\u306e\u4e3b\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/a><\/li><li class=\"\"><a href=\"#usage-considerations\">\u4f7f\u7528\u4e0a\u306e\u8003\u616e\u4e8b\u9805<\/a><\/li><li class=\"\"><a href=\"#conclusion\">\u7d50\u8ad6<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-basic-concept-of-capacitance\">\u9759\u96fb\u5bb9\u91cf\u306e\u57fa\u672c\u6982\u5ff5<\/h2>\n\n\n\n<p>\u9759\u96fb\u5bb9\u91cf\u306f\u3001\u4e92\u3044\u306b\u8fd1\u63a5\u3057\u3066\u3044\u308b\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u306a\u3044 2 \u3064\u306e\u5c0e\u4f53\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u307e\u3059\u3002\u7406\u8ad6\u4e0a\u3001\u4efb\u610f\u306e 2 \u3064\u306e\u5c0e\u4f53\u306f\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u5f62\u6210\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u30012 \u672c\u306e\u30ef\u30a4\u30e4\u3092\u649a\u308a\u5408\u308f\u305b\u308b\u3068\u3001\u7d04 4 \uff5e 6 \u30d4\u30b3\u30d5\u30a1\u30e9\u30c3\u30c9 (pF) \u306e\u9759\u96fb\u5bb9\u91cf\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u3053\u306e\u6982\u5ff5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"structure-of-a-condenser-microphone\">\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u30de\u30a4\u30af\u306e\u69cb\u9020<\/h2>\n\n\n\n<p><strong>\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0:<\/strong> \u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u306e\u30c0\u30a4\u30a2\u30d5\u30e9\u30e0\u306f\u8584\u3044\u819c\u3067\u3001\u8584\u3044\u91d1\u5c5e\u5c64\u3067\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u5c0e\u4f53\u306e 1 \u3064 (\u30b3\u30f3\u30c7\u30f3\u30b5\u306e 1 \u3064\u306e\u30d7\u30ec\u30fc\u30c8) \u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30c8:<\/strong> \u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30c8\u3082\u91d1\u5c5e\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u305f\u819c\u3067\u3042\u308a\u3001\u3082\u3046\u4e00\u65b9\u306e\u5c0e\u4f53\uff08\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u3082\u3046\u4e00\u65b9\u306e\u30d7\u30ec\u30fc\u30c8\uff09\u3092\u5f62\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u7d76\u7e01\u30b9\u30da\u30fc\u30b5\u30fc:<\/strong> \u30b9\u30da\u30fc\u30b5\u30fc\u306f\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u3068\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30c8\u306e\u9593\u306b\u914d\u7f6e\u3055\u308c\u3001\u9699\u9593\u3092\u4f5c\u308a\u3001\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u304c\u632f\u52d5\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u30012 \u3064\u306e\u5c0e\u4f53\u304c\u63a5\u89e6\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"925\" height=\"540\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/How-Does-a-Condenser-Microphone-Work.png\" alt=\"\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u30de\u30a4\u30af\u306e\u69cb\u9020\" class=\"wp-image-1555\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/How-Does-a-Condenser-Microphone-Work.png 925w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/How-Does-a-Condenser-Microphone-Work-300x175.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/How-Does-a-Condenser-Microphone-Work-768x448.png 768w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/How-Does-a-Condenser-Microphone-Work-18x12.png 18w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/How-Does-a-Condenser-Microphone-Work-600x350.png 600w\" sizes=\"auto, (max-width: 925px) 100vw, 925px\" \/><figcaption class=\"wp-element-caption\">\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30b3\u30f3\u30c7\u30f3\u30b5\u30de\u30a4\u30af\u30ed\u30db\u30f3\uff08ECM\uff09\u306e\u69cb\u9020<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"how-it-works\">\u4ed5\u7d44\u307f<\/h2>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u304c\u6a5f\u80fd\u3059\u308b\u306b\u306f\u96fb\u5727\u304c\u5fc5\u8981\u3067\u3001\u3053\u308c\u306b\u3088\u308a\u632f\u52d5\u677f\u3068\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30c8\u306e\u9593\u306b\u96fb\u8377\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u97f3\u6ce2\u304c\u632f\u52d5\u677f\u306b\u5f53\u305f\u308b\u3068\u632f\u52d5\u677f\u304c\u632f\u52d5\u3057\u3001\u632f\u52d5\u677f\u3068\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30c8\u306e\u9593\u306e\u8ddd\u96e2\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u3053\u306e\u8ddd\u96e2\u306e\u5909\u5316\u306b\u3088\u3063\u3066\u9759\u96fb\u5bb9\u91cf\u304c\u5909\u308f\u308a\u3001\u97f3\u6ce2\u304c\u96fb\u6c17\u4fe1\u53f7\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-role-of-electret-materials\">\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u6750\u6599\u306e\u5f79\u5272<\/h2>\n\n\n\n<p>1960 \u5e74\u4ee3\u5f8c\u534a\u304b\u3089 1970 \u5e74\u4ee3\u524d\u534a\u306b\u304b\u3051\u3066\u3001\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u6750\u6599\u304c\u767a\u898b\u3055\u308c\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u306b\u5e38\u306b\u96fb\u5727\u3092\u304b\u3051\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3068\u3044\u3046\u554f\u984c\u304c\u89e3\u6c7a\u3055\u308c\u307e\u3057\u305f\u3002\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u6750\u6599\u306f\u3001\u9ad8\u96fb\u5727\u306b\u3055\u3089\u3055\u308c\u305f\u5f8c\u3082\u9577\u6642\u9593\u96fb\u8377\u3092\u4fdd\u6301\u3067\u304d\u307e\u3059\u3002\u632f\u52d5\u677f\u3092\u91d1\u5c5e\u5c64\u3067\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u3001\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u6750\u6599\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8 \u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u304c\u8a95\u751f\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"amplifying-the-signal\">\u4fe1\u53f7\u306e\u5897\u5e45<\/h2>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u304b\u3089\u306e\u96fb\u6c17\u4fe1\u53f7\u306f\u975e\u5e38\u306b\u5f31\u3044\u305f\u3081\u3001\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u306b\u306f\u5897\u5e45\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4fe1\u53f7\u306e\u5897\u5e45\u306b\u306f\u3001\u96fb\u754c\u52b9\u679c\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf (FET) \u304c\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u51fa\u529b\u4fe1\u53f7\u306f\u5b9f\u7528\u4e0a\u5341\u5206\u306a\u5f37\u3055\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"key-components-of-a-condenser-microphone\">\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u30de\u30a4\u30af\u306e\u4e3b\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/h2>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u30de\u30a4\u30af\u306f\u4e3b\u306b\u6b21\u306e 4 \u3064\u306e\u90e8\u5206\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0<\/strong><\/li>\n\n\n\n<li><strong>\u7d76\u7e01\u30b9\u30da\u30fc\u30b5\u30fc<\/strong><\/li>\n\n\n\n<li><strong>\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30c8<\/strong><\/li>\n\n\n\n<li><strong>FET\u30a2\u30f3\u30d7<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"usage-considerations\">\u4f7f\u7528\u4e0a\u306e\u8003\u616e\u4e8b\u9805<\/h2>\n\n\n\n<p>\u30c0\u30a4\u30ca\u30df\u30c3\u30af \u30de\u30a4\u30af\u306f\u78c1\u5834\u5185\u3067\u30b3\u30a4\u30eb\u304c\u52d5\u304f\u3053\u3068\u3067\u96fb\u6c17\u4fe1\u53f7\u3092\u751f\u6210\u3057\u307e\u3059\u304c\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u306f\u52d5\u4f5c\u3059\u308b\u305f\u3081\u306b\u52d5\u4f5c\u96fb\u5727\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002\u73fe\u4ee3\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u306f\u3001\u901a\u5e38 2 \uff5e 3 \u30dc\u30eb\u30c8\u306e\u52d5\u4f5c\u96fb\u5727\u3092\u5fc5\u8981\u3068\u3057\u3001\u6700\u5927 6 \u30dc\u30eb\u30c8\u3001\u6975\u9650\u3067\u306f 9 \u30dc\u30eb\u30c8\u306e\u52d5\u4f5c\u96fb\u5727\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u306f\u3001\u30ea\u30e2\u30b3\u30f3\u3084\u97f3\u58f0\u5236\u5fa1\u30ac\u30b8\u30a7\u30c3\u30c8\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u30c7\u30d0\u30a4\u30b9\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u306e\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3068\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30de\u30a4\u30af\u3092\u3088\u308a\u9069\u5207\u306b\u9069\u7528\u3057\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>Condenser microphones are everywhere, especially in the age of the internet and voice control. They are used in a wide range of devices, from karaoke microphones to high-end wireless microphones, high-quality voice recorders, and various Bluetooth speakers. Even AI toys use condenser microphones. Here is a detailed explanation of how they work and what they are made of: The Basic Concept of Capacitance Capacitance is created by two conductors that are close to each other but not connected. In theory, any two conductors form a capacitor. For example, two wires twisted together can create a capacitance of about 4-6 picofarads (pF). Understanding this concept is crucial for using condenser microphones. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1555,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[647,649,648],"class_list":["post-1554","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-insights","tag-ecm-structure","tag-voltage-requirement","tag-working-principle"],"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/1554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/comments?post=1554"}],"version-history":[{"count":0,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/1554\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media\/1555"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media?parent=1554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/categories?post=1554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/tags?post=1554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}