{"id":3236,"date":"2025-08-04T09:49:47","date_gmt":"2025-08-04T01:49:47","guid":{"rendered":"https:\/\/ecmicrophones.com\/?p=3236"},"modified":"2026-01-27T16:27:53","modified_gmt":"2026-01-27T08:27:53","slug":"why-omnidirectional-microphone-elements-are-ideal-for-parabolic-systems","status":"publish","type":"post","link":"https:\/\/ecmicrophones.com\/ja\/why-omnidirectional-microphone-elements-are-ideal-for-parabolic-systems\/","title":{"rendered":"\u7121\u6307\u5411\u6027\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30fb\u30a8\u30ec\u30e1\u30f3\u30c8\u304c\u30d1\u30e9\u30dc\u30e9\u30fb\u30b7\u30b9\u30c6\u30e0\u306b\u6700\u9069\u306a\u7406\u7531"},"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\/2025\/08\/parabolic-microphone-with-ecmic-omnidirectional-electret-capsule.png\" alt=\"ECMIC\u7121\u6307\u5411\u6027\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30fb\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30fb\u30ab\u30d7\u30bb\u30eb\u4ed8\u304d\u30d1\u30e9\u30dc\u30ea\u30c3\u30af\u30fb\u30de\u30a4\u30af\u30ed\u30db\u30f3\" class=\"wp-image-3251\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/08\/parabolic-microphone-with-ecmic-omnidirectional-electret-capsule.png 925w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/08\/parabolic-microphone-with-ecmic-omnidirectional-electret-capsule-300x175.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/08\/parabolic-microphone-with-ecmic-omnidirectional-electret-capsule-768x448.png 768w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/08\/parabolic-microphone-with-ecmic-omnidirectional-electret-capsule-18x12.png 18w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/08\/parabolic-microphone-with-ecmic-omnidirectional-electret-capsule-600x350.png 600w\" sizes=\"auto, (max-width: 925px) 100vw, 925px\" \/><figcaption class=\"wp-element-caption\">ECMIC\u7121\u6307\u5411\u6027\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30ab\u30d7\u30bb\u30eb\u3092\u4f7f\u7528\u3057\u305f\u30d1\u30e9\u30dc\u30ea\u30c3\u30af\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30b7\u30b9\u30c6\u30e0\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u30d1\u30e9\u30dc\u30ea\u30c3\u30af\u30de\u30a4\u30af\u30ed\u30db\u30f3\u306f\u3001\u81ea\u7136\u9332\u97f3\u3001\u76e3\u8996\u3001\u30b9\u30dd\u30fc\u30c4\u4e2d\u7d99\u3001\u7814\u7a76\u306a\u3069\u3001\u9577\u8ddd\u96e2\u306e\u97f3\u58f0\u6355\u6349\u3092\u5fc5\u8981\u3068\u3059\u308b\u7528\u9014\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u30d1\u30e9\u30dc\u30ea\u30c3\u30af\u30de\u30a4\u30af\u30ed\u30db\u30f3\u306e\u5fc3\u81d3\u90e8\u306b\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u660e\u77ad\u5ea6\u3001\u611f\u5ea6\u3001\u6307\u5411\u6027\u306b\u5927\u304d\u304f\u5f71\u97ff\u3059\u308b\u53b3\u9078\u3055\u308c\u305f\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30a8\u30ec\u30e1\u30f3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30de\u30a4\u30af\u30a8\u30ec\u30e1\u30f3\u30c8\u304c\u91cd\u8981\u306a\u7406\u7531<\/h2>\n\n\n\n<p>\u30d1\u30e9\u30dc\u30e9\u30a2\u30f3\u30c6\u30ca\u306f\u9060\u304f\u306e\u97f3\u6ce2\u3092\u96c6\u675f\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u304c\u3001\u30de\u30a4\u30af\u30ed\u30db\u30f3\u7d20\u5b50\u306f\u5b9f\u969b\u306b\u97f3\u97ff\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u96fb\u6c17\u4fe1\u53f7\u306b\u5909\u63db\u3059\u308b\u3082\u306e\u3067\u3042\u308b\u3002\u305d\u306e\u7279\u6027\u306b\u3088\u3063\u3066\u3001\u5468\u56f2\u306e\u96d1\u97f3\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u306a\u304c\u3089\u3001\u5fae\u5999\u306a\u97f3\u3092\u6b63\u78ba\u306b\u62fe\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u72ec\u81ea\u306e\u30d1\u30e9\u30dc\u30e9\u30fb\u30b7\u30b9\u30c6\u30e0\u3092\u958b\u767a\u3059\u308b\u30e1\u30fc\u30ab\u30fc\u3084\u30d6\u30e9\u30f3\u30c9\u306b\u3068\u3063\u3066\u3001\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30fb\u30ab\u30d7\u30bb\u30eb\u306e\u9078\u629e\u306f\u5358\u306a\u308b\u6280\u8853\u7684\u306a\u6c7a\u5b9a\u3067\u306f\u306a\u304f\u3001\u7af6\u4e89\u4e0a\u306e\u5dee\u5225\u5316\u8981\u56e0\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7121\u6307\u5411\u6027\u3068\u6307\u5411\u6027\uff1a\u5b9f\u969b\u306b\u6700\u3082\u52b9\u679c\u7684\u306a\u306e\u306f\uff1f<\/h2>\n\n\n\n<p>\u591a\u304f\u306e\u4eba\u306f\u6307\u5411\u6027\uff08\u5358\u4e00\u6307\u5411\u6027\u307e\u305f\u306f\u5358\u4e00\u6307\u5411\u6027\uff09\u30a8\u30ec\u30e1\u30f3\u30c8\u304c\u5e38\u306b\u671b\u307e\u3057\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u30d1\u30e9\u30dc\u30e9\u30de\u30a4\u30af\u306e\u4e3b\u6d41\u306f\u7121\u6307\u5411\u6027\u30de\u30a4\u30af\u30a8\u30ec\u30e1\u30f3\u30c8\u3067\u3042\u308a\u3001\u305d\u308c\u306b\u306f\u7406\u7531\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u96c6\u675f\u3055\u308c\u305f\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u306f\u3001\u30ab\u30d7\u30bb\u30eb\u3067\u306f\u306a\u304f\u30d1\u30e9\u30dc\u30e9\u30a2\u30f3\u30c6\u30ca\u306b\u3088\u3063\u3066\u9054\u6210\u3055\u308c\u308b<\/strong><br>\u30ea\u30d5\u30ec\u30af\u30bf\u30fc\u81ea\u4f53\u304c\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u81ea\u7136\u306b\u72ed\u3081\u307e\u3059\u3002\u7126\u70b9\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u305f\u7121\u6307\u5411\u6027\u30a8\u30ec\u30e1\u30f3\u30c8\u304c\u3001\u30c7\u30a3\u30c3\u30b7\u30e5\u306b\u3088\u3063\u3066\u96c6\u675f\u3055\u308c\u305f\u97f3\u3092\u53d7\u4fe1\u3059\u308b\u305f\u3081\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u9060\u304f\u306e\u97f3\u6e90\u304b\u3089\u306e\u30af\u30ea\u30a2\u306a\u97f3\u58f0\u3092\u6349\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u3088\u308a\u512a\u308c\u305f\u8ef8\u5916\u6392\u9664<\/strong><br>\u30d1\u30e9\u30dc\u30e9\u30a2\u30f3\u30c6\u30ca\u5185\u306e\u6307\u5411\u6027\u30ab\u30d7\u30bb\u30eb\u306f\u3001\u6642\u306b\u30a2\u30f3\u30c6\u30ca\u306e\u96c6\u675f\u7279\u6027\u306b\u5e72\u6e09\u3057\u3001\u4e0d\u8981\u306a\u5468\u6ce2\u6570\u30ab\u30e9\u30fc\u30ea\u30f3\u30b0\u3084\u5229\u5f97\u306e\u4f4e\u4e0b\u3092\u62db\u304f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u3088\u308a\u9ad8\u3044\u5468\u6ce2\u6570\u7279\u6027\u306e\u5747\u4e00\u6027<\/strong><br>\u7121\u6307\u5411\u6027\u30a8\u30ec\u30e1\u30f3\u30c8\u306f\u4e00\u822c\u306b\u3001\u8ef8\u5916\u5468\u6ce2\u6570\u7279\u6027\u304c\u3088\u308a\u6ed1\u3089\u304b\u3067\u3001\u7279\u306b\u91ce\u751f\u52d5\u7269\u3084\u74b0\u5883\u7528\u9014\u3067\u81ea\u7136\u97f3\u3092\u6349\u3048\u308b\u306e\u306b\u91cd\u8981\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u63a8\u5968\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30fb\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30fb\u30a8\u30ec\u30e1\u30f3\u30c8<\/h2>\n\n\n\n<p>\u30d1\u30e9\u30dc\u30e9\u30a2\u30f3\u30c6\u30ca\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30b7\u30b9\u30c6\u30e0\u3092\u958b\u767a\u307e\u305f\u306f\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u5834\u5408\u3001\u9069\u5207\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u5f53\u793e\u306e <strong>ECM-B9750AL26-062<\/strong> \u7121\u6307\u5411\u6027\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30a8\u30ec\u30e1\u30f3\u30c8\u306f\u3001\u9577\u8ddd\u96e2\u306e\u97f3\u97ff\u6355\u6349\u306b\u9ad8\u3044\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002 <a class=\"\" href=\"https:\/\/ecmicrophones.com\/ja\/9-7mm-omnidirectional-electret-microphone-cartridge-for-parabolic-microphone\/\">\u8a73\u7d30\u306f\u3053\u3061\u3089<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th><th>\u4ed5\u69d8<\/th><\/tr><\/thead><tbody><tr><td>\u5bf8\u6cd5<\/td><td>9.7 \u00d7 5.0 mm<\/td><\/tr><tr><td>\u611f\u5ea6<\/td><td>-26 \u00b1 2 dB<\/td><\/tr><tr><td>\u4fe1\u53f7\u5bfe\u96d1\u97f3\u6bd4<\/td><td>82 dB<\/td><\/tr><tr><td>\u5468\u6ce2\u6570\u5fdc\u7b54<\/td><td>50 Hz - 16 kHz<\/td><\/tr><tr><td>\u6700\u5927SPL<\/td><td>110 dB<\/td><\/tr><tr><td>\u51fa\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9<\/td><td>2.2 k\u03a9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"593\" height=\"425\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/03\/typical-frequency-response_ecm-b9750al26-062.jpg\" alt=\"ECM-B9750AL26-062\u5168\u6307\u5411\u6027\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30a8\u30ec\u30e1\u30f3\u30c8\u306e\u6a19\u6e96\u5468\u6ce2\u6570\u5fdc\u7b54\u66f2\u7dda\" class=\"wp-image-300\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/03\/typical-frequency-response_ecm-b9750al26-062.jpg 593w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/03\/typical-frequency-response_ecm-b9750al26-062-300x215.jpg 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/03\/typical-frequency-response_ecm-b9750al26-062-18x12.jpg 18w\" sizes=\"auto, (max-width: 593px) 100vw, 593px\" \/><figcaption class=\"wp-element-caption\">ECM-B9750AL26-062\u306e\u5178\u578b\u7684\u306a\u5468\u6ce2\u6570\u7279\u6027\u306f\u3001\u30d5\u30e9\u30c3\u30c8\u306a50 Hz\u304b\u30894 kHz\u3067\u3001\u305d\u306e\u5f8c\u5f90\u3005\u306b\u30ed\u30fc\u30eb\u30aa\u30d5\u3057\u3001\u30d1\u30e9\u30dc\u30e9\u30fb\u30de\u30a4\u30af\u30ed\u30db\u30f3\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u3067\u3059\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u9ad8\u3044\u611f\u5ea6\u3068\u6975\u3081\u3066\u4f4e\u3044\u30ce\u30a4\u30ba\u30d5\u30ed\u30a2\u306e\u304a\u304b\u3052\u3067\u3001\u3053\u306e\u30ab\u30d7\u30bb\u30eb\u306f\u9060\u304f\u306e\u8a71\u3057\u58f0\u3001\u91ce\u751f\u52d5\u7269\u306e\u9cf4\u304d\u58f0\u3001\u5468\u56f2\u306e\u74b0\u5883\u97f3\u58f0\u3092\u30af\u30ea\u30a2\u304b\u3064\u8a73\u7d30\u306b\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u307e\u3059\u3002\u5468\u6ce2\u6570\u7279\u6027\u306f\u7d044 kHz\u307e\u3067\u30d5\u30e9\u30c3\u30c8\u3067\u5b89\u5b9a\u3057\u3066\u304a\u308a\u3001\u30dc\u30fc\u30ab\u30eb\u3084\u81ea\u7136\u306a\u30b5\u30a6\u30f3\u30c9\u30b9\u30b1\u30fc\u30d7\u306e\u57fa\u672c\u97f3\u3092\u5fe0\u5b9f\u306b\u518d\u73fe\u3057\u307e\u3059\u30024kHz\u3092\u8d85\u3048\u308b\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u306f\u5f90\u3005\u306b\u6e1b\u8870\u3057\u307e\u3059\u304c\u3001\u4e00\u822c\u7684\u306a\u9ce5\u306e\u9cf4\u304d\u58f0\u306e\u307b\u3068\u3093\u3069\u3092\u6349\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u74b0\u5883\u9332\u97f3\u3084\u30d0\u30fc\u30c9\u30a6\u30a9\u30c3\u30c1\u30f3\u30b0\u3001\u30a2\u30de\u30c1\u30e5\u30a2\u306e\u30cd\u30a4\u30c1\u30e3\u30fc\u30fb\u30aa\u30fc\u30c7\u30a3\u30aa\u30fb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306a\u3069\u306e\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u79c1\u305f\u3061\u3068\u50cd\u304f\u7406\u7531<\/h2>\n\n\n\n<p>\u30de\u30a4\u30af\u30ed\u30db\u30f3\u90e8\u54c1\u30e1\u30fc\u30ab\u30fc\u3068\u3057\u3066\u3001\u5f53\u793e\u306f\u9ad8\u3044\u4e00\u8cab\u6027\u3001\u53b3\u3057\u3044\u88fd\u9020\u516c\u5dee\u3001\u8fc5\u901f\u306a\u6280\u8853\u5354\u529b\u3067OEM\/ODM\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u4ed5\u69d8\u306e\u91ce\u751f\u52d5\u7269\u30ec\u30b3\u30fc\u30c0\u30fc\u3001\u76e3\u8996\u30c4\u30fc\u30eb\u3001\u97f3\u97ff\u6e2c\u5b9a\u5668\u306e\u8a2d\u8a08\u306a\u3069\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30aa\u30fc\u30c7\u30a3\u30aa\u6027\u80fd\u3092\u5185\u90e8\u304b\u3089\u7d71\u5408\u3059\u308b\u304a\u624b\u4f1d\u3044\u3092\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u7dd2\u306b\u4f5c\u308d\u3046<\/h2>\n\n\n\n<p>\u30d1\u30e9\u30dc\u30e9\u30a2\u30f3\u30c6\u30ca\u7528\u306e\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3092\u304a\u8003\u3048\u3067\u3059\u304b\uff1f<br>\u2192 <a href=\"mailto:contact@ecmicrophones.com\">\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u3078\u306e\u304a\u554f\u3044\u5408\u308f\u305b<\/a> \u30b5\u30f3\u30d7\u30eb\u3001\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30b5\u30dd\u30fc\u30c8\u306f\u3053\u3061\u3089\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>Parabolic microphones are widely used in applications that require long-distance sound capture, such as nature recording, surveillance, sports broadcasting, and research. At the heart of every parabolic microphone is a carefully selected microphone element \u2014 a component that significantly influences the clarity, sensitivity, and directivity of the entire system. Why the Microphone Element Matters While the parabolic dish helps to focus distant sound waves, the microphone element is what actually converts acoustic energy into electrical signals. Its characteristics determine whether the system can accurately pick up subtle sounds while minimizing ambient noise. For manufacturers and brands developing their own parabolic systems, the selection of the microphone capsule is not just [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3251,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[537,538,520,521],"class_list":["post-3236","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-insights","tag-far-field","tag-high-sensitivity","tag-high-snr","tag-o9-7mm"],"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/3236","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=3236"}],"version-history":[{"count":0,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/3236\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media\/3251"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media?parent=3236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/categories?post=3236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/tags?post=3236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}