{"id":4266,"date":"2026-07-24T14:01:13","date_gmt":"2026-07-24T06:01:13","guid":{"rendered":"https:\/\/ecmicrophones.com\/?p=4266"},"modified":"2026-07-24T14:01:13","modified_gmt":"2026-07-24T06:01:13","slug":"microphone-capsule-testing-guide","status":"publish","type":"post","link":"https:\/\/ecmicrophones.com\/ja\/microphone-capsule-testing-guide\/","title":{"rendered":"\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u8a66\u9a13\u30ac\u30a4\u30c9\uff1a\u611f\u5ea6\u3001SNR\u3001\u5468\u6ce2\u6570\u7279\u6027"},"content":{"rendered":"<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\/2026\/07\/microphone-capsule-quality-inspection.png\" alt=\"\u88fd\u9020\u5de5\u7a0b\u306b\u304a\u3051\u308b\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u54c1\u8cea\u691c\u67fb\" class=\"wp-image-4268\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/07\/microphone-capsule-quality-inspection.png 925w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/07\/microphone-capsule-quality-inspection-300x175.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/07\/microphone-capsule-quality-inspection-768x448.png 768w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/07\/microphone-capsule-quality-inspection-18x12.png 18w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2026\/07\/microphone-capsule-quality-inspection-600x350.png 600w\" sizes=\"auto, (max-width: 925px) 100vw, 925px\" \/><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><div>\u76ee\u6b21<\/div><nav><ul><li><a href=\"#why-microphone-capsule-testing-matters\">\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u8a66\u9a13\u304c\u91cd\u8981\u306a\u7406\u7531<\/a><\/li><li><a href=\"#1-sensitivity-testing-measuring-microphone-output-level\">1. \u611f\u5ea6\u8a66\u9a13\uff1a\u30de\u30a4\u30af\u30ed\u30d5\u30a9\u30f3\u306e\u51fa\u529b\u30ec\u30d9\u30eb\u306e\u6e2c\u5b9a<\/a><\/li><li><a href=\"#2-frequency-response-testing-understanding-sound-characteristics\">2. \u5468\u6ce2\u6570\u7279\u6027\u8a66\u9a13\uff1a\u97f3\u306e\u7279\u6027\u3092\u7406\u89e3\u3059\u308b<\/a><\/li><li><a href=\"#3-snr-testing-evaluating-background-noise-performance\">3. SNR\u8a66\u9a13\uff1a\u80cc\u666f\u30ce\u30a4\u30ba\u306b\u5bfe\u3059\u308b\u6027\u80fd\u306e\u8a55\u4fa1<\/a><\/li><li><a href=\"#4-impedance-testing-ensuring-circuit-compatibility\">4. \u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u6e2c\u5b9a\uff1a\u56de\u8def\u306e\u4e92\u63db\u6027\u306e\u78ba\u8a8d<\/a><\/li><li><a href=\"#5-acoustic-consistency-testing-between-units\">5. \u30e6\u30cb\u30c3\u30c8\u9593\u306e\u97f3\u97ff\u6574\u5408\u6027\u8a66\u9a13<\/a><\/li><li><a href=\"#6-what-test-data-should-oem-buyers-request\">6. OEM\u306e\u30d0\u30a4\u30e4\u30fc\u306f\u3069\u306e\u3088\u3046\u306a\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u8981\u6c42\u3059\u3079\u304d\u304b\uff1f<\/a><\/li><li><a href=\"#7-how-ecmic-controls-microphone-capsule-quality\">7. ECMIC\u306b\u3088\u308b\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30ab\u30d7\u30bb\u30eb\u306e\u54c1\u8cea\u7ba1\u7406<\/a><\/li><li><a href=\"#frequently-asked-questions\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><ul><li><a href=\"#faq-question-1784871594857\">\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u611f\u5ea6\u3068\u3057\u3066\u3001\u3069\u306e\u7a0b\u5ea6\u306e\u5024\u304c\u9069\u5207\u3067\u3057\u3087\u3046\u304b\uff1f<\/a><\/li><li><a href=\"#faq-question-1784871604440\">\u306a\u305c\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u5468\u6ce2\u6570\u7279\u6027\u306f\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/a><\/li><li><a href=\"#faq-question-1784871605063\">\u51fa\u8377\u524d\u306b\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306f\u3069\u306e\u3088\u3046\u306b\u691c\u67fb\u3055\u308c\u308b\u306e\u3067\u3059\u304b\uff1f<\/a><\/li><li><a href=\"#faq-question-1784871615487\">OEM\u5411\u3051\u30de\u30a4\u30af\u88fd\u54c1\u306b\u304a\u3044\u3066\u3001\u4e00\u8cab\u6027\u304c\u306a\u305c\u91cd\u8981\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/a><\/li><li><a href=\"#need-help-selecting-the-right-microphone-capsule\">\u9069\u5207\u306a\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u9078\u3073\u65b9\u3067\u8ff7\u3063\u3066\u3044\u307e\u305b\u3093\u304b\uff1f<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">OEM\u88fd\u54c1\u7528\u306e\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u3092\u9078\u5b9a\u3059\u308b\u969b\u3001\u611f\u5ea6\u3001SNR\u3001\u5468\u6ce2\u6570\u7279\u6027\u306a\u3069\u306e\u4ed5\u69d8\u306f\u3001\u6700\u7d42\u7684\u306a\u97f3\u8cea\u6027\u80fd\u306b\u76f4\u63a5\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u5358\u306a\u308b\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306e\u6570\u5024\u3067\u306f\u306a\u304f\u3001\u5b9f\u969b\u306e\u4f7f\u7528\u74b0\u5883\u306b\u304a\u3044\u3066\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u304c\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u304b\u3092\u8868\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u793e\u306f\u3001\u4e16\u754c\u4e2d\u306e\u9867\u5ba2\u306bOEM\u304a\u3088\u3073\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3059\u308b\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u30e1\u30fc\u30ab\u30fc\u3001ECMIC\u3067\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u4e3b\u8981\u306a\u8a66\u9a13\u65b9\u6cd5\u3068\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3092\u9078\u5b9a\u3059\u308b\u524d\u306b\u8cfc\u5165\u8005\u304c\u7406\u89e3\u3057\u3066\u304a\u304f\u3079\u304d\u70b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u8a66\u9a13\u5185\u5bb9\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u88fd\u54c1\u30a8\u30f3\u30b8\u30cb\u30a2\u3084\u8abf\u9054\u30c1\u30fc\u30e0\u306f\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3092\u3088\u308a\u6b63\u78ba\u306b\u6bd4\u8f03\u691c\u8a0e\u3057\u3001\u751f\u7523\u4e2d\u306e\u6027\u80fd\u4e0a\u306e\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 id=\"why-microphone-capsule-testing-matters\" class=\"wp-block-heading\">\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u8a66\u9a13\u304c\u91cd\u8981\u306a\u7406\u7531<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306f\u5916\u89b3\u306f\u4f3c\u3066\u3044\u3066\u3082\u3001\u5185\u90e8\u306e\u7d20\u6750\u3001\u88fd\u9020\u5de5\u7a0b\u3001\u97f3\u97ff\u7279\u6027\u306b\u3088\u3063\u3066\u3001\u6027\u80fd\u306b\u5927\u304d\u306a\u9055\u3044\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d7\u30ed\u4ed5\u69d8\u306e\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u8a66\u9a13\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u8a55\u4fa1\u304c\u53ef\u80fd\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51fa\u529b\u611f\u5ea6\u3068\u4fe1\u53f7\u30ec\u30d9\u30eb<\/li>\n\n\n\n<li>\u5468\u6ce2\u6570\u7279\u6027<\/li>\n\n\n\n<li>\u80cc\u666f\u30ce\u30a4\u30ba\u306b\u5bfe\u3059\u308b\u6027\u80fd<\/li>\n\n\n\n<li>\u96fb\u6c17\u7684\u4e92\u63db\u6027<\/li>\n\n\n\n<li>\u5404\u30e6\u30cb\u30c3\u30c8\u9593\u306e\u751f\u7523\u306e\u4e00\u8cab\u6027<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">OEM\u7528\u9014\u306b\u304a\u3044\u3066\u306f\u3001\u4ed5\u69d8\u66f8\u4e0a\u306e\u6570\u5024\u304c\u6700\u3082\u9ad8\u3044\u30ab\u30d7\u30bb\u30eb\u3092\u9078\u3076\u3053\u3068\u3088\u308a\u3082\u3001\u5b89\u5b9a\u3057\u305f\u6027\u80fd\u304c\u91cd\u8981\u3068\u306a\u308b\u5834\u5408\u304c\u591a\u3044\u3002.<\/p>\n\n\n\n<h2 id=\"1-sensitivity-testing-measuring-microphone-output-level\" class=\"wp-block-heading\">1. \u611f\u5ea6\u8a66\u9a13\uff1a\u30de\u30a4\u30af\u30ed\u30d5\u30a9\u30f3\u306e\u51fa\u529b\u30ec\u30d9\u30eb\u306e\u6e2c\u5b9a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u611f\u5ea6\u306f\u3001\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u6700\u3082\u91cd\u8981\u306a\u4ed5\u69d8\u306e\u4e00\u3064\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u6a19\u6e96\u7684\u306a\u97f3\u5727\u30ec\u30d9\u30eb\u3092\u53d7\u3051\u305f\u969b\u306b\u3001\u30ab\u30d7\u30bb\u30eb\u304c\u3069\u308c\u3060\u3051\u306e\u96fb\u6c17\u51fa\u529b\u3092\u767a\u751f\u3055\u305b\u308b\u304b\u3092\u793a\u3059\u3082\u306e\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30de\u30a4\u30af\u30ed\u30d5\u30a9\u30f3\u306e\u611f\u5ea6\u306f\u901a\u5e38dB\u5358\u4f4d\u3067\u6e2c\u5b9a\u3055\u308c\u3001-42dB\u3001-45dB\u3001-52dB\u3001-60dB\u306a\u3069\u304c\u4e00\u822c\u7684\u306a\u5024\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u611f\u5ea6\u306e\u9ad8\u3044\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306f\u3001\u3088\u308a\u5f37\u3044\u51fa\u529b\u4fe1\u53f7\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u3001\u5f8c\u6bb5\u56de\u8def\u306b\u5fc5\u8981\u306a\u30b2\u30a4\u30f3\u3092\u4f4e\u6e1b\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3057\u304b\u3057\u3001\u611f\u5ea6\u304c\u3088\u308a\u9ad8\u3044\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u5fc5\u305a\u3057\u3082\u826f\u3044\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ad8\u611f\u5ea6\u30ab\u30d7\u30bb\u30eb\u306f\u3001\u3088\u308a\u5f37\u3044\u4fe1\u53f7\u51fa\u529b\u304c\u6c42\u3081\u3089\u308c\u308b\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u97f3\u5727\u30ec\u30d9\u30eb\u304c\u9ad8\u3044\u74b0\u5883\u3067\u306f\u3001\u611f\u5ea6\u306e\u4f4e\u3044\u30ab\u30d7\u30bb\u30eb\u304c\u9069\u3057\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u611f\u5ea6\u306f\u3001\u88fd\u54c1\u5168\u4f53\u306e\u8a2d\u8a08\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">OEM\u306e\u30d0\u30a4\u30e4\u30fc\u306f\u3001\u5e38\u306b\u611f\u5ea6\u3092\u3001\u30ce\u30a4\u30ba\u6027\u80fd\u3001\u5468\u6ce2\u6570\u7279\u6027\u3001\u304a\u3088\u3073\u7528\u9014\u8981\u4ef6\u3068\u4f75\u305b\u3066\u8a55\u4fa1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 id=\"2-frequency-response-testing-understanding-sound-characteristics\" class=\"wp-block-heading\">2. \u5468\u6ce2\u6570\u7279\u6027\u8a66\u9a13\uff1a\u97f3\u306e\u7279\u6027\u3092\u7406\u89e3\u3059\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5468\u6ce2\u6570\u7279\u6027\u3068\u306f\u3001\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u304c\u3055\u307e\u3056\u307e\u306a\u97f3\u306e\u5468\u6ce2\u6570\u306b\u3069\u306e\u3088\u3046\u306b\u53cd\u5fdc\u3059\u308b\u304b\u3092\u8868\u3059\u3082\u306e\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306a\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u306f\u3001100Hz\uff5e10kHz\u308450Hz\uff5e15kHz\u3068\u3044\u3063\u305f\u5468\u6ce2\u6570\u7bc4\u56f2\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u5468\u6ce2\u6570\u7bc4\u56f2\u305d\u306e\u3082\u306e\u3088\u308a\u3082\u5468\u6ce2\u6570\u7279\u6027\u66f2\u7dda\u306e\u65b9\u304c\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5468\u6ce2\u6570\u7279\u6027\u8a66\u9a13\u306f\u3001\u4ee5\u4e0b\u306e\u4e8b\u9805\u306e\u7279\u5b9a\u306b\u5f79\u7acb\u3061\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f4e\u97f3\u57df\u306e\u5fdc\u7b54\u6027\u306b\u3088\u308a\u3001\u4f4e\u97f3\u3068\u30dc\u30fc\u30ab\u30eb\u306e\u8c4a\u304b\u3055\u3092\u5f15\u304d\u51fa\u3059<\/li>\n\n\n\n<li>\u97f3\u58f0\u306e\u660e\u77ad\u6027\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u4e2d\u5468\u6ce2\u6570\u7279\u6027<\/li>\n\n\n\n<li>\u7d30\u90e8\u3084\u660e\u308b\u3055\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u9ad8\u57df\u306e\u5fdc\u7b54<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u9014\u306b\u3088\u3063\u3066\u3001\u6c42\u3081\u3089\u308c\u308b\u5468\u6ce2\u6570\u7279\u6027\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u901a\u4fe1\u6a5f\u5668\u306f\u901a\u5e38\u3001\u97f3\u58f0\u306e\u660e\u77ad\u6027\u3092\u6700\u512a\u5148\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u9332\u97f3\u7528\u9014\u3067\u306f\u3001\u3088\u308a\u5e83\u7bc4\u56f2\u3067\u30d0\u30e9\u30f3\u30b9\u306e\u3068\u308c\u305f\u5468\u6ce2\u6570\u7279\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u8010\u30ce\u30a4\u30ba\u6027\u3092\u91cd\u8996\u3059\u308b\u7528\u9014\u3067\u306f\u3001\u7279\u5b9a\u306e\u5468\u6ce2\u6570\u5e2f\u57df\u306e\u8abf\u6574\u306b\u91cd\u70b9\u304c\u7f6e\u304b\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"3-snr-testing-evaluating-background-noise-performance\" class=\"wp-block-heading\">3. SNR\u8a66\u9a13\uff1a\u80cc\u666f\u30ce\u30a4\u30ba\u306b\u5bfe\u3059\u308b\u6027\u80fd\u306e\u8a55\u4fa1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fe1\u53f7\u5bfe\u96d1\u97f3\u6bd4\uff08SNR\uff09\u306f\u3001\u76ee\u7684\u306e\u97f3\u58f0\u4fe1\u53f7\u3068\u30de\u30a4\u30af\u5185\u90e8\u306e\u96d1\u97f3\u3068\u306e\u5dee\u3092\u6e2c\u5b9a\u3059\u308b\u3082\u306e\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SNR\u306e\u5024\u304c\u9ad8\u3044\u307b\u3069\u3001\u4e00\u822c\u7684\u306b\u97f3\u8cea\u304c\u30af\u30ea\u30a2\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30de\u30a4\u30af\u304c\u4fe1\u53f7\u306b\u6bd4\u3079\u3066\u4e0d\u8981\u306a\u30ce\u30a4\u30ba\u3092\u5c11\u306a\u304f\u62fe\u3046\u305f\u3081\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SNR\u306f\u3001\u7279\u306b\u4ee5\u4e0b\u306e\u70b9\u306b\u304a\u3044\u3066\u91cd\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u696d\u52d9\u7528\u901a\u4fe1\u6a5f\u5668<\/li>\n\n\n\n<li>\u97f3\u58f0\u8a8d\u8b58\u30c7\u30d0\u30a4\u30b9<\/li>\n\n\n\n<li>\u4f1a\u8b70\u30b7\u30b9\u30c6\u30e0<\/li>\n\n\n\n<li>\u7523\u696d\u7528\u901a\u4fe1\u88fd\u54c1<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3092\u6bd4\u8f03\u3059\u308b\u969b\u3001\u30d0\u30a4\u30e4\u30fc\u306fSNR\u30c7\u30fc\u30bf\u304c\u540c\u3058\u8a66\u9a13\u6761\u4ef6\u4e0b\u3067\u6e2c\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u8a66\u9a13\u74b0\u5883\u304c\u7570\u306a\u308b\u3068\u3001\u7d50\u679c\u306b\u5f71\u97ff\u304c\u51fa\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 id=\"4-impedance-testing-ensuring-circuit-compatibility\" class=\"wp-block-heading\">4. \u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u6e2c\u5b9a\uff1a\u56de\u8def\u306e\u4e92\u63db\u6027\u306e\u78ba\u8a8d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306f\u3001\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u3082\u3046\u4e00\u3064\u306e\u91cd\u8981\u306a\u96fb\u6c17\u7684\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56de\u8def\u8a2d\u8a08\u306b\u3088\u3063\u3066\u306f\u3001\u7528\u9014\u3054\u3068\u306b\u7570\u306a\u308b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u5024\u304c\u5fc5\u8981\u3068\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001\u901a\u4fe1\u6a5f\u5668\u3001\u30d8\u30c3\u30c9\u30bb\u30c3\u30c8\u3001\u7523\u696d\u7528\u6a5f\u5668\u306a\u3069\u306b\u4f7f\u7528\u3055\u308c\u308b\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306b\u306f\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u8981\u4ef6\u304c\u6c42\u3081\u3089\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u9078\u629e\u3092\u8aa4\u308b\u3068\u3001\u4fe1\u53f7\u30ec\u30d9\u30eb\u3001\u56de\u8def\u306e\u6574\u5408\u3001\u304a\u3088\u3073\u88fd\u54c1\u5168\u4f53\u306e\u6027\u80fd\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 id=\"5-acoustic-consistency-testing-between-units\" class=\"wp-block-heading\">5. \u30e6\u30cb\u30c3\u30c8\u9593\u306e\u97f3\u97ff\u6574\u5408\u6027\u8a66\u9a13<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">OEM\u751f\u7523\u306b\u304a\u3044\u3066\u306f\u3001\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u9593\u306e\u5747\u4e00\u6027\u304c\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306f\u6027\u80fd\u306b\u512a\u308c\u305f\u30b5\u30f3\u30d7\u30eb\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u306f\u3042\u3063\u3066\u3082\u3001\u91cf\u7523\u54c1\u306e\u54c1\u8cea\u306f\u3001\u3059\u3079\u3066\u306e\u88fd\u54c1\u304c\u4ed5\u69d8\u3092\u3069\u306e\u7a0b\u5ea6\u4e00\u8cab\u3057\u3066\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u88fd\u9020\u306b\u304a\u3051\u308b\u54c1\u8cea\u7ba1\u7406\u3067\u306f\u3001\u901a\u5e38\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u91cd\u70b9\u304c\u7f6e\u304b\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e6\u30cb\u30c3\u30c8\u9593\u306e\u611f\u5ea6\u306e\u3070\u3089\u3064\u304d<\/li>\n\n\n\n<li>\u5468\u6ce2\u6570\u5fdc\u7b54\u306e\u4e00\u8cab\u6027<\/li>\n\n\n\n<li>\u96fb\u6c17\u7684\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5b89\u5b9a\u6027<\/li>\n\n\n\n<li>\u751f\u7523\u5de5\u7a0b\u306b\u304a\u3051\u308b\u6b20\u9665\u691c\u51fa<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d7\u30ed\u30bb\u30b9\u7ba1\u7406\u3092\u5fb9\u5e95\u3059\u308b\u3053\u3068\u3067\u3001\u751f\u7523\u4e0a\u306e\u8abf\u6574\u3092\u524a\u6e1b\u3057\u3001\u6700\u7d42\u88fd\u54c1\u306e\u4fe1\u983c\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 id=\"6-what-test-data-should-oem-buyers-request\" class=\"wp-block-heading\">6. OEM\u306e\u30d0\u30a4\u30e4\u30fc\u306f\u3069\u306e\u3088\u3046\u306a\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u8981\u6c42\u3059\u3079\u304d\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3092\u8a55\u4fa1\u3059\u308b\u969b\u3001\u30d0\u30a4\u30e4\u30fc\u306f\u5358\u306b\u88fd\u54c1\u4fa1\u683c\u3092\u6bd4\u8f03\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u95a2\u9023\u3059\u308b\u8a66\u9a13\u60c5\u5831\u3092\u6c42\u3081\u308b\u3079\u304d\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f79\u7acb\u3064\u60c5\u5831\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u611f\u5ea6\u8a66\u9a13\u306e\u7d50\u679c<\/li>\n\n\n\n<li>\u5468\u6ce2\u6570\u7279\u6027\u66f2\u7dda<\/li>\n\n\n\n<li>SNR\u6e2c\u5b9a<\/li>\n\n\n\n<li>\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u4ed5\u69d8<\/li>\n\n\n\n<li>\u751f\u7523\u306e\u4e00\u8cab\u6027\u306b\u95a2\u3059\u308b\u60c5\u5831<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c02\u9580\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3067\u3042\u308c\u3070\u3001\u3053\u308c\u3089\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u3069\u306e\u3088\u3046\u306b\u6e2c\u5b9a\u3055\u308c\u308b\u306e\u304b\u3001\u307e\u305f\u751f\u7523\u5de5\u7a0b\u306b\u304a\u3044\u3066\u54c1\u8cea\u7ba1\u7406\u306b\u3069\u306e\u3088\u3046\u306b\u6d3b\u7528\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u3092\u8aac\u660e\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 id=\"7-how-ecmic-controls-microphone-capsule-quality\" class=\"wp-block-heading\">7. ECMIC\u306b\u3088\u308b\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30ab\u30d7\u30bb\u30eb\u306e\u54c1\u8cea\u7ba1\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ECMIC\u3067\u306f\u3001OEM\u306e\u304a\u5ba2\u69d8\u304c\u6c42\u3081\u3066\u3044\u308b\u306e\u306f\u5358\u306a\u308b\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3060\u3051\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u7406\u89e3\u3057\u3066\u3044\u307e\u3059\u3002\u304a\u5ba2\u69d8\u306b\u306f\u3001\u5b89\u5b9a\u3057\u305f\u6027\u80fd\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u751f\u7523\u80fd\u529b\u3001\u305d\u3057\u3066\u88fd\u54c1\u958b\u767a\u6bb5\u968e\u306b\u304a\u3051\u308b\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u304c\u5fc5\u8981\u306a\u306e\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u793e\u306e\u88fd\u9020\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u91cd\u70b9\u3092\u7f6e\u3044\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9a\u3081\u3089\u308c\u305f\u97f3\u97ff\u8a66\u9a13\u624b\u9806<\/li>\n\n\n\n<li>\u751f\u7523\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u7ba1\u7406<\/li>\n\n\n\n<li>\u51fa\u8377\u524d\u306e\u4ed5\u69d8\u78ba\u8a8d<\/li>\n\n\n\n<li>\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u8981\u4ef6\u306b\u5bfe\u3059\u308b\u6280\u8853\u30b5\u30dd\u30fc\u30c8<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u88fd\u9020\u306e\u30ce\u30a6\u30cf\u30a6\u3068\u97f3\u97ff\u8a55\u4fa1\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u304a\u5ba2\u69d8\u306e\u5177\u4f53\u7684\u306a\u7528\u9014\u306b\u9069\u3057\u305f\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u9078\u5b9a\u3092\u652f\u63f4\u3044\u305f\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 id=\"frequently-asked-questions\" class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-1784871594857\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u611f\u5ea6\u3068\u3057\u3066\u3001\u3069\u306e\u7a0b\u5ea6\u306e\u5024\u304c\u9069\u5207\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\u9069\u5207\u306a\u611f\u5ea6\u306f\u3001\u7528\u9014\u3084\u56de\u8def\u8a2d\u8a08\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u88fd\u54c1\u306b\u901a\u7528\u3059\u308b\u552f\u4e00\u306e\u7406\u60f3\u7684\u306a\u5024\u3068\u3044\u3046\u3082\u306e\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002OEM\u306e\u8cfc\u5165\u62c5\u5f53\u8005\u306f\u3001\u611f\u5ea6\u3092\u30ce\u30a4\u30ba\u30ec\u30d9\u30eb\u3001\u5468\u6ce2\u6570\u7279\u6027\u3001\u304a\u3088\u3073\u52d5\u4f5c\u74b0\u5883\u3068\u4f75\u305b\u3066\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1784871604440\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">\u306a\u305c\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u5468\u6ce2\u6570\u7279\u6027\u306f\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\u5468\u6ce2\u6570\u7279\u6027\u306e\u9055\u3044\u306f\u3001\u30ab\u30d7\u30bb\u30eb\u306e\u69cb\u9020\u3001\u30c0\u30a4\u30a2\u30d5\u30e9\u30e0\u306e\u8a2d\u8a08\u3001\u97f3\u97ff\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3001\u304a\u3088\u3073\u88fd\u9020\u4e0a\u306e\u9078\u629e\u306b\u3088\u3063\u3066\u751f\u3058\u307e\u3059\u3002\u7528\u9014\u304c\u7570\u306a\u308c\u3070\u3001\u6c42\u3081\u3089\u308c\u308b\u97f3\u97ff\u7279\u6027\u3082\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1784871605063\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">\u51fa\u8377\u524d\u306b\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306f\u3069\u306e\u3088\u3046\u306b\u691c\u67fb\u3055\u308c\u308b\u306e\u3067\u3059\u304b\uff1f<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\u8a66\u9a13\u65b9\u6cd5\u306f\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u5c02\u9580\u30e1\u30fc\u30ab\u30fc\u306f\u901a\u5e38\u3001\u7d0d\u54c1\u524d\u306b\u5b9a\u3081\u3089\u308c\u305f\u4ed5\u69d8\u306b\u57fa\u3065\u3044\u3066\u3001\u4e3b\u8981\u306a\u97f3\u97ff\u304a\u3088\u3073\u96fb\u6c17\u7684\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1784871615487\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">OEM\u5411\u3051\u30de\u30a4\u30af\u88fd\u54c1\u306b\u304a\u3044\u3066\u3001\u4e00\u8cab\u6027\u304c\u306a\u305c\u91cd\u8981\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u6027\u80fd\u304c\u5b89\u5b9a\u3057\u3066\u3044\u308b\u3053\u3068\u3067\u3001\u88fd\u9020\u6642\u306e\u8abf\u6574\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u3001\u6700\u7d42\u88fd\u54c1\u306e\u54c1\u8cea\u304c\u5411\u4e0a\u3057\u3001\u88fd\u9020\u30ed\u30c3\u30c8\u9593\u3067\u5b89\u5b9a\u3057\u305f\u6027\u80fd\u3092\u7dad\u6301\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<h3 id=\"need-help-selecting-the-right-microphone-capsule\" class=\"wp-block-heading\">\u9069\u5207\u306a\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u9078\u3073\u65b9\u3067\u8ff7\u3063\u3066\u3044\u307e\u305b\u3093\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ECMIC\u306f\u3001\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30fb\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u30fb\u30de\u30a4\u30af\u3001\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30fb\u30ab\u30d7\u30bb\u30eb\u3001\u304a\u3088\u3073\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u30de\u30a4\u30af\u8a2d\u8a08\u306a\u3069\u3001\u4e16\u754c\u4e2d\u306eOEM\u9867\u5ba2\u5411\u3051\u306b\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30de\u30a4\u30af\u306e\u4ed5\u69d8\u8a55\u4fa1\u3084\u3001\u3054\u4f7f\u7528\u306e\u88fd\u54c1\u306b\u9069\u3057\u305f\u30ab\u30d7\u30bb\u30eb\u306e\u9078\u5b9a\u306b\u3064\u3044\u3066\u30b5\u30dd\u30fc\u30c8\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001,&nbsp;<a href=\"\/ja\/contact-us\/\">\u5f53\u793e\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u307e\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>When selecting a microphone capsule for an OEM product, specifications such as sensitivity, SNR, and frequency response directly affect the final audio performance. However, these parameters are not just numbers on a datasheet \u2014 they represent how a microphone capsule performs during real-world use. We are ECMIC, a microphone capsule manufacturer providing OEM and customization solutions for customers worldwide. In this guide, we explain the key microphone capsule testing methods and what buyers should understand before choosing a supplier. Understanding these tests helps product engineers and procurement teams compare suppliers more accurately and avoid performance issues during production. Why Microphone Capsule Testing Matters Microphone capsules may look similar externally, but [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4268,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[774,773],"class_list":["post-4266","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-insights","tag-microphone-specifications","tag-microphone-testing"],"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/4266","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=4266"}],"version-history":[{"count":1,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/4266\/revisions"}],"predecessor-version":[{"id":4269,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/4266\/revisions\/4269"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media\/4268"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media?parent=4266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/categories?post=4266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/tags?post=4266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}