{"id":285020,"date":"2026-01-13T02:34:33","date_gmt":"2026-01-13T02:34:33","guid":{"rendered":"https:\/\/design.crysound.com\/iso-532-ecma-74-e3-81-ab-e3-82-88-e3-82-8b-opentest-e3-82-92-e7-94-a8-e3-81-84-e3-81-9f-e3-82-b5-e3-82-a6-e3-83-b3-e3-83-89-e3-82-af-e3-82-aa-e3-83-aa-e3-83-86-e3-82-a3-e6-b8-ac-e5-ae-9a\/"},"modified":"2026-08-14T05:41:28","modified_gmt":"2026-08-14T05:41:28","slug":"iso-532-ecma-74-e3-81-ab-e3-82-88-e3-82-8b-opentest-e3-82-92-e7-94-a8-e3-81-84-e3-81-9f-e3-82-b5-e3-82-a6-e3-83-b3-e3-83-89-e3-82-af-e3-82-aa-e3-83-aa-e3-83-86-e3-82-a3-e6-b8-ac-e5-ae-9a","status":"publish","type":"post","link":"https:\/\/design.crysound.com\/ja\/iso-532-ecma-74-e3-81-ab-e3-82-88-e3-82-8b-opentest-e3-82-92-e7-94-a8-e3-81-84-e3-81-9f-e3-82-b5-e3-82-a6-e3-83-b3-e3-83-89-e3-82-af-e3-82-aa-e3-83-aa-e3-83-86-e3-82-a3-e6-b8-ac-e5-ae-9a\/","title":{"rendered":"ISO 532 &amp; ECMA-74 \u306b\u3088\u308b OpenTest \u3092\u7528\u3044\u305f\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u6e2c\u5b9a"},"content":{"rendered":"\n<p>\u672c\u8a18\u4e8b\u306f\u97f3\u97ff\u304a\u3088\u3073\u632f\u52d5\u8a66\u9a13\u306b\u643a\u308f\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u5bfe\u8c61\u3068\u3057\u3066\u3044\u307e\u3059. \u672c\u8a18\u4e8b\u3067\u306f\u3001<strong>OpenTest<\/strong> \u4e0a\u3067\u3001<strong>ISO 532<\/strong> \u306b\u3088\u308b\u30e9\u30a6\u30c9\u30cd\u30b9\u898f\u683c\u304a\u3088\u3073 <strong>ECMA-74<\/strong> \u306e\u30c8\u30fc\u30ca\u30ea\u30c6\u30a3\u8a55\u4fa1\u624b\u6cd5\u306b\u57fa\u3065\u3044\u305f\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u6e2c\u5b9a\u306e\u5b9f\u65bd\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059. 3 \u3064\u306e\u4e3b\u8981\u306a\u5fc3\u7406\u97f3\u97ff\u6307\u6a19 - \u3092\u6e2c\u5b9a\u30fb\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\u3001 <strong>\u30e9\u30a6\u30c9\u30cd\u30b9<\/strong>\u3001 <strong>Sharpness<\/strong> \u3068 <strong>Prominence (Tonality)<\/strong> - \u3092\u7528\u3044\u308c\u3070\u3001\u6c11\u751f\u6a5f\u5668\u3001\u81ea\u52d5\u8eca NVH\u3001\u5bb6\u96fb\u88fd\u54c1\u3001IT \u6a5f\u5668\u306e\u5404\u5206\u91ce\u306e\u30c1\u30fc\u30e0\u306f\u3001\u300c\u3069\u308c\u3060\u3051\u826f\u304f(\u3042\u308b\u3044\u306f\u60aa\u304f)\u805e\u3053\u3048\u308b\u304b\u300d\u3068\u3044\u3046\u611f\u899a\u3092\u5b9a\u91cf\u7684\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c7\u30fc\u30bf\u306b\u5909\u63db\u3057\u3001<strong>\u30c7\u30fc\u30bf\u53ce\u96c6<\/strong>\u304b\u3089<strong>\u89e3\u6790<\/strong>\u3001<strong>\u30ec\u30dd\u30fc\u30c8\u4f5c\u6210<\/strong>\u307e\u3067\u3001\u6a19\u6e96\u5316\u3055\u308c\u305f\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u5358\u4e00\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u4e0a\u3067\u5b8c\u7d50\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u6e2c\u5b9a\u304c\u91cd\u8981\u3068\u306a\u308b\u7406\u7531<\/strong><\/h2>\n\n<p>\u5f93\u6765\u306e\u9a12\u97f3\u8a66\u9a13\u3067\u306f\u3001\u88c5\u7f6e\u304c\u3069\u308c\u3060\u3051\u300c\u3046\u308b\u3055\u3044\u300d\u304b\u3092\u8868\u3059\u305f\u3081\u306b\u3001\u901a\u5e38\u306f <strong>dB \u5024<\/strong>\u306b\u983c\u3063\u3066\u3044\u307e\u3059. \u3057\u304b\u3057\u3001\u591a\u304f\u306e\u7814\u7a76\u3084\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304b\u3089\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f <strong>\u300c\u30e9\u30a6\u30c9\u30cd\u30b9\u300d\u306f\u3042\u304f\u307e\u3067\u4e00\u90e8\u306e\u60c5\u5831\u306b\u3059\u304e\u306a\u3044<\/strong>\u3053\u3068\u3092\u518d\u8a8d\u8b58\u3055\u305b\u3089\u308c\u3066\u3044\u307e\u3059. \u81ea\u52d5\u8eca NVH\u3001\u5bb6\u96fb\u88fd\u54c1\u3001IT \u6a5f\u5668\u3001\u6c11\u751f\u96fb\u5b50\u6a5f\u5668\u306e\u5206\u91ce\u3067\u306f\u3001\u88fd\u54c1\u97f3\u306b\u5bfe\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306e\u53d7\u5bb9\u6027\u306f\u3001\u5358\u306a\u308b\u5168\u4f53\u306e\u97f3\u5727\u30ec\u30d9\u30eb\u3067\u306f\u306a\u304f\u3001<strong>\u5fc3\u5730\u3088\u3044\u304b\u3001\u92ed\u3044\u304b\u3001\u75b2\u308c\u3084\u3059\u3044\u304b\u3001\u4e0d\u5feb\u304b<\/strong>\u3068\u3044\u3063\u305f\u8981\u7d20\u306b\u5927\u304d\u304f\u5de6\u53f3\u3055\u308c\u307e\u3059.<\/p>\n\n<p>\u696d\u754c\u8abf\u67fb\u304b\u3089\u3082\u3001\u307b\u3068\u3093\u3069\u306e\u30e1\u30fc\u30ab\u30fc\u304c\u3001<strong>\u300c\u3069\u308c\u3060\u3051\u826f\u3044\u97f3\u304b\u300d<\/strong>\u3092<strong>\u300c\u3069\u308c\u3060\u3051\u9759\u304b\u306a\u306e\u304b\u300d<\/strong>\u3068\u540c\u7a0b\u5ea6\u306b\u91cd\u8981\u8996\u3057\u3066\u304a\u308a\u3001\u88fd\u54c1\u958b\u767a\u306e\u521d\u671f\u6bb5\u968e\u304b\u3089\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u306b\u914d\u616e\u3057\u59cb\u3081\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u3063\u3066\u3044\u307e\u3059. \u540c\u3058\u97f3\u5727\u30ec\u30d9\u30eb\u3067\u3042\u3063\u3066\u3082\u3001\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u304c\u60aa\u3044\u3068\u3001\u88fd\u54c1\u5168\u4f53\u306e\u6e80\u8db3\u5ea6\u3092\u5927\u304d\u304f\u62bc\u3057\u4e0b\u3052\u3066\u3057\u307e\u3044\u307e\u3059.<\/p>\n\n<p>\u307e\u3055\u306b\u305d\u306e\u305f\u3081\u306b\u3001 \u3072\u3068\u3064\u306e\u5c02\u9580\u5206\u91ce\u3068\u3057\u3066\u306e <strong>\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3<\/strong>\u304c\u5b58\u5728\u3057\u307e\u3059.\u3053\u308c\u306f\u3001 <strong>\u30e9\u30a6\u30c9\u30cd\u30b9<\/strong>\u3001<strong>\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9<\/strong>\u3001<strong>\u30c8\u30fc\u30ca\u30ea\u30c6\u30a3\uff0f\u30d7\u30ed\u30df\u30cd\u30f3\u30b9<\/strong> \u3068\u3044\u3063\u305f\u4e00\u9023\u306e\u5fc3\u7406\u97f3\u97ff\u6307\u6a19\u3092\u7528\u3044\u3066\u3001\u300c\u92ed\u3044\u300d\u300c\u3053\u3082\u308b\u300d\u300c\u304d\u3064\u3044\u300d\u300c\u306a\u3081\u3089\u304b\u300d\u3068\u3044\u3063\u305f\u4e3b\u89b3\u7684\u306a\u5370\u8c61\u3092\u3001<strong>\u6e2c\u5b9a\u53ef\u80fd\u3067\u3001\u6bd4\u8f03\u53ef\u80fd\u3067\u3001\u30c8\u30ec\u30fc\u30b5\u30d6\u30eb<\/strong>\u306a\u30c7\u30fc\u30bf\u306b\u5909\u63db\u3057\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u304c\u5358\u306a\u308b\u9a12\u97f3\u4f4e\u6e1b\u3092\u8d85\u3048\u3066\u3001<strong>\u8074\u611f\u4e0a\u306e\u4f53\u9a13<\/strong>\u3092\u4e2d\u5fc3\u306b\u88fd\u54c1\u97f3\u3092\u8a2d\u8a08\u30fb\u6700\u9069\u5316\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3082\u306e\u3067\u3059.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u6e2c\u5b9a\u306e\u4e3b\u8981\u6307\u6a19<\/strong><\/h2>\n\n<p>\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u5b9f\u52d9\u306b\u304a\u3044\u3066\u3001\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u306f\u5358\u4e00\u306e\u6570\u5024\u3067\u306f\u306a\u304f\u3001<strong>\u8907\u6570\u306e\u5fc3\u7406\u97f3\u97ff\u91cf\u306e\u7d44\u307f\u5408\u308f\u305b<\/strong>\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059. \u4e00\u822c\u7684\u306b\u7528\u3044\u3089\u308c\u308b\u6307\u6a19\u306b\u306f\u3001<strong>\u30e9\u30a6\u30c9\u30cd\u30b9\u3001\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9\u3001\u30e9\u30d5\u30cd\u30b9\u3001\u30d5\u30e9\u30af\u30c1\u30e5\u30a8\u30fc\u30b7\u30e7\u30f3\u30b9\u30c8\u30ec\u30f3\u30b0\u30b9\u3001\u30d7\u30ed\u30df\u30cd\u30f3\u30b9\uff0f\u30c8\u30fc\u30ca\u30ea\u30c6\u30a3<\/strong> \u306a\u3069\u304c\u3042\u308a\u307e\u3059.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/design.crysound.com\/wp-content\/uploads\/2026\/01\/image-2-1024x559.webp\" alt=\"\" class=\"wp-image-264856\"\/><\/figure>\n\n<p class=\"has-text-align-center\"><em>\u56f3 1 - \u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u6e2c\u5b9a\u306b\u304a\u3051\u308b\u4e3b\u8981\u6307\u6a19<\/em><\/p>\n\n<h3 class=\"wp-block-heading\"><strong>\u30e9\u30a6\u30c9\u30cd\u30b9(ISO 532-1)<\/strong><\/h3>\n\n<p><strong>\u30e9\u30a6\u30c9\u30cd\u30b9<\/strong>\u304a\u3088\u3073<strong>\u30e9\u30a6\u30c9\u30cd\u30b9\u30ec\u30d9\u30eb<\/strong>\u306f\u3001\u4eba\u9593\u306e\u8033\u306b\u3069\u308c\u3060\u3051\u5927\u304d\u304f\u805e\u3053\u3048\u308b\u304b\u3092\u8868\u3059\u6307\u6a19\u3067\u3042\u308a\u3001\u5358\u306a\u308b dB \u306b\u3088\u308b\u97f3\u5727\u30ec\u30d9\u30eb\u3068\u306f\u7570\u306a\u308a\u307e\u3059. \u56fd\u969b\u7684\u306b\u306f\u3001<strong>ISO 532-1:2017<\/strong> \u306b\u898f\u5b9a\u3055\u308c\u305f <strong>Zwicker \u6cd5<\/strong>\u306b\u57fa\u3065\u304f\u898f\u683c\u304c\u3001\u30e9\u30a6\u30c9\u30cd\u30b9\u7b97\u51fa\u306b\u5e83\u304f\u7528\u3044\u3089\u308c\u3066\u3044\u307e\u3059. \u3053\u306e\u624b\u6cd5\u306f\u5b9a\u5e38\u97f3\u3068\u5909\u52d5\u97f3\u306e\u4e21\u65b9\u306b\u5bfe\u5fdc\u3067\u304d\u3001\u591a\u304f\u306e\u6280\u8853\u9a12\u97f3\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4e3b\u89b3\u7684\u306a\u8074\u611f\u3068\u306e\u76f8\u95a2\u304c\u826f\u597d\u3067\u3059.<\/p>\n\n<p>\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u89b3\u70b9\u304b\u3089\u306f\u3001\u30e9\u30a6\u30c9\u30cd\u30b9\u306b\u306f A \u7279\u6027\u97f3\u5727\u30ec\u30d9\u30eb\u306b\u5bfe\u3057\u3066\u660e\u78ba\u306a\u5229\u70b9\u304c\u3042\u308a\u307e\u3059:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u4eba\u9593\u306e\u8074\u899a\u304c\u5468\u6ce2\u6570\u306b\u3088\u3063\u3066\u611f\u5ea6\u304c\u7570\u306a\u308b(\u4e2d\u9ad8\u57df\u306b\u3088\u308a\u654f\u611f)\u3053\u3068\u3092\u8003\u616e\u3057\u3066\u3044\u308b<\/li>\n\n\n\n<li>\u540c\u3058 dB \u30ec\u30d9\u30eb\u3067\u3042\u3063\u3066\u3082\u3001\u300c\u3046\u308b\u3055\u3044\u3068\u611f\u3058\u308b\u304b\u3069\u3046\u304b\u300d\u3092\u3088\u308a\u6b63\u78ba\u306b\u53cd\u6620\u3059\u308b\u3053\u3068\u304c\u591a\u3044<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\"><strong>\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9(DIN 45692)<\/strong><\/h3>\n\n<p><strong>\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9<\/strong>\u306f\u3001\u97f3\u304c<strong>\u3069\u308c\u3060\u3051\u92ed\u304f\u3001\u8033\u306b\u523a\u3055\u308b\u3088\u3046\u306b\u611f\u3058\u3089\u308c\u308b\u304b<\/strong>\u3092\u8868\u3057\u307e\u3059. \u9ad8\u5468\u6ce2\u6210\u5206\u306e\u6bd4\u7387\u304c\u9ad8\u3044\u307b\u3069\u3001\u4eba\u306f\u305d\u306e\u97f3\u3092\u3088\u308a\u300c\u92ed\u3044\u300d\u300c\u8033\u3056\u308f\u308a\u304c\u304d\u3064\u3044\u300d\u3068\u611f\u3058\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059.<\/p>\n\n<p>\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9\u306f <strong>DIN 45692:2009<\/strong> \u3068\u3057\u3066\u6a19\u6e96\u5316\u3055\u308c\u3066\u304a\u308a\u3001\u901a\u5e38\u306f\u30e9\u30a6\u30c9\u30cd\u30b9\u30e2\u30c7\u30eb\u304b\u3089\u5f97\u3089\u308c\u308b\u7279\u5b9a\u30e9\u30a6\u30c9\u30cd\u30b9\u5206\u5e03\u306b\u57fa\u3065\u304d\u3001\u9ad8\u3044 Bark \u5e2f\u57df\u306b\u8ffd\u52a0\u306e\u91cd\u307f\u4ed8\u3051\u3092\u884c\u3063\u3066\u7b97\u51fa\u3055\u308c\u307e\u3059. \u7d50\u679c\u306f <strong>acum<\/strong> \u5358\u4f4d\u3067\u8868\u3055\u308c\u307e\u3059.<\/p>\n\n<p>\u30d5\u30a1\u30f3\u3001\u30b3\u30f3\u30d7\u30ec\u30c3\u30b5\u3001\u96fb\u52d5\u99c6\u52d5\u306e\u30db\u30a4\u30fc\u30f3\u30ce\u30a4\u30ba\u306a\u3069\u306e\u7528\u9014\u3067\u306f\u3001\u5358\u306b\u5168\u4f53\u306e dB \u30ec\u30d9\u30eb\u3092\u4e0b\u3052\u308b\u3088\u308a\u3082\u3001\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9\u3092\u4f4e\u6e1b\u3059\u308b\u65b9\u304c\u3001\u4e3b\u89b3\u7684\u306a\u5feb\u9069\u6027\u306e\u5411\u4e0a\u306b\u52b9\u679c\u7684\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u304f\u3042\u308a\u307e\u3059.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>\u30e9\u30d5\u30cd\u30b9(asper)<\/strong><\/h3>\n\n<p><strong>\u30e9\u30d5\u30cd\u30b9<\/strong>\u306f\u3001\u304a\u304a\u3088\u305d<strong>15\u301c300 Hz \u5e2f\u57df\u306e\u9ad8\u901f\u306a\u632f\u5e45\u5909\u8abf<\/strong>\u306b\u5bfe\u5fdc\u3057\u3001\u300c\u3056\u3089\u3064\u304f\u300d\u300c\u632f\u52d5\u3057\u3066\u3044\u308b\u300d\u3068\u3044\u3063\u305f\u5370\u8c61\u3092\u4e0e\u3048\u307e\u3059.\u305f\u3068\u3048\u3070\u7279\u5b9a\u306e\u30a4\u30f3\u30d0\u30fc\u30bf\u30db\u30a4\u30fc\u30f3\u3084\u30ae\u30a2\u30db\u30a4\u30fc\u30f3\u3067\u3001\u97f3\u304c\u300c\u9707\u3048\u3066\u3044\u308b\u300d\u3088\u3046\u306b\u805e\u3053\u3048\u308b\u5834\u5408\u3067\u3059.<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u5358\u4f4d:<strong>asper<\/strong><\/li>\n\n\n\n<li>\u53e4\u5178\u7684\u306a\u5b9a\u7fa9:1 asper \u306f\u3001\u7d04 70 Hz\u3001\u5909\u8abf\u5ea6 100% \u306e\u632f\u5e45\u5909\u8abf\u304c\u304b\u304b\u3063\u305f 1 kHz\u300160 dB \u306e\u7d14\u97f3\u306b\u76f8\u5f53\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u5909\u8abf\u304c\u6df1\u304f\u3001\u304b\u3064\u5909\u8abf\u5468\u6ce2\u6570\u304c\u611f\u5ea6\u306e\u9ad8\u3044\u9818\u57df(\u7d04 70 Hz)\u306b\u8fd1\u3065\u304f\u307b\u3069\u3001\u77e5\u899a\u3055\u308c\u308b\u30e9\u30d5\u30cd\u30b9\u306f\u5927\u304d\u304f\u306a\u308a\u307e\u3059<\/li>\n<\/ul>\n\n<p>\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3067\u306f\u3001\u30e9\u30d5\u30cd\u30b9\u306f\u97f3\u304c\u3069\u306e\u7a0b\u5ea6<strong>\u300c\u30d6\u30f3\u30d6\u30f3\u9cf4\u3063\u3066\u3044\u308b\u300d\u300c\u64e6\u308c\u308b\u3088\u3046\u306b\u805e\u3053\u3048\u308b\u300d<\/strong>\u304b\u3092\u8868\u3059\u6307\u6a19\u3068\u3057\u3066\u7528\u3044\u3089\u308c\u3001\u96fb\u52d5\u99c6\u52d5\u30b7\u30b9\u30c6\u30e0\u3001\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u3001\u30b3\u30f3\u30d7\u30ec\u30c3\u30b5\u306a\u3069\u306b\u304a\u3051\u308b\u6280\u8853\u9a12\u97f3\u306e\u4e3b\u89b3\u7684\u8a55\u4fa1\u306b\u7279\u306b\u6709\u7528\u3067\u3059.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>\u30d5\u30e9\u30af\u30c1\u30e5\u30a8\u30fc\u30b7\u30e7\u30f3\u30b9\u30c8\u30ec\u30f3\u30b0\u30b9(vacil)<\/strong><\/h3>\n\n<p><strong>\u30d5\u30e9\u30af\u30c1\u30e5\u30a8\u30fc\u30b7\u30e7\u30f3\u30b9\u30c8\u30ec\u30f3\u30b0\u30b9<\/strong>\u306f\u3001<strong>\u3088\u308a\u4f4e\u901f\u306a\u632f\u5e45\u5909\u52d5<\/strong>\u3001\u3059\u306a\u308f\u3061\u304a\u304a\u3088\u305d <strong>0.5\u301c20 Hz<\/strong> \u306e\u7bc4\u56f2\u3067\u632f\u5e45\u304c\u4e0a\u4e0b\u3059\u308b\u73fe\u8c61\u3092\u6349\u3048\u308b\u6307\u6a19\u3067\u3001\u300c\u8108\u52d5\u3059\u308b\u300d\u300c\u547c\u5438\u3057\u3066\u3044\u308b\u300d\u3088\u3046\u306b\u611f\u3058\u3089\u308c\u307e\u3059.\u5178\u578b\u7684\u306a\u6700\u5927\u611f\u5ea6\u306f <strong>\u7d04 4 Hz<\/strong> \u4ed8\u8fd1\u306b\u3042\u308a\u307e\u3059.<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u5358\u4f4d:<strong>vacil<\/strong><\/li>\n\n\n\n<li>1 vacil \u306e\u53e4\u5178\u7684\u306a\u5b9a\u7fa9:4 Hz\u3001\u5909\u8abf\u5ea6 100% \u306e\u632f\u5e45\u5909\u8abf\u304c\u304b\u304b\u3063\u305f 1 kHz\u300160 dB \u306e\u7d14\u97f3<\/li>\n\n\n\n<li>\u8eca\u5ba4\u5185\u30a2\u30a4\u30c9\u30eb\u6642\u306e\u300c\u30d6\u30ea\u30fc\u30b8\u30f3\u30b0\u30ce\u30a4\u30ba\u300d\u3084\u3001\u30ec\u30d9\u30eb\u304c\u5468\u671f\u7684\u306b\u4e0a\u4e0b\u3059\u308b\u30d5\u30a1\u30f3\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u306f\u3001\u30d5\u30e9\u30af\u30c1\u30e5\u30a8\u30fc\u30b7\u30e7\u30f3\u30b9\u30c8\u30ec\u30f3\u30b0\u30b9\u304c\u91cd\u8981\u306a\u8a18\u8ff0\u6307\u6a19\u3068\u306a\u308a\u307e\u3059<\/li>\n<\/ul>\n\n<p><strong>\u30d5\u30e9\u30af\u30c1\u30e5\u30a8\u30fc\u30b7\u30e7\u30f3\u30b9\u30c8\u30ec\u30f3\u30b0\u30b9\u3068\u30e9\u30d5\u30cd\u30b9<\/strong>\u306f\u3001\u540c\u3058\u300c\u5909\u8abf\u300d\u73fe\u8c61\u306e\u8868\u3068\u88cf\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u30d5\u30e9\u30af\u30c1\u30e5\u30a8\u30fc\u30b7\u30e7\u30f3\u30b9\u30c8\u30ec\u30f3\u30b0\u30b9:\u6570 Hz \u7a0b\u5ea6\u306e\u9045\u3044\u5909\u8abf(a few Hz)\u3067\u3001\u300c\u547c\u5438\u3057\u3066\u3044\u308b\u300d\u300c\u8108\u52d5\u3057\u3066\u3044\u308b\u300d\u3088\u3046\u306b\u611f\u3058\u3089\u308c\u308b<\/li>\n\n\n\n<li>\u30e9\u30d5\u30cd\u30b9:\u6570\u5341 Hz \u5e2f\u57df\u306e\u3088\u308a\u901f\u3044\u5909\u8abf(tens of Hz)\u3067\u3001\u300c\u632f\u52d5\u3057\u3066\u3044\u308b\u300d\u300c\u3056\u3089\u3056\u3089\u3057\u3066\u3044\u308b\u300d\u300c\u7c92\u72b6\u306b\u805e\u3053\u3048\u308b\u300d\u3068\u611f\u3058\u3089\u308c\u308b<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\"><strong>\u30d7\u30ed\u30df\u30cd\u30f3\u30b9\uff0f\u30c8\u30fc\u30ca\u30ea\u30c6\u30a3(ECMA-74)<\/strong><\/h3>\n\n<p>\u591a\u304f\u306e\u6a5f\u5668\u306f\u5168\u4f53\u3068\u3057\u3066\u305d\u308c\u307b\u3069\u5927\u304d\u306a\u97f3\u3067\u306f\u306a\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001<strong>\u3054\u304f\u5c11\u6570\u306e\u72ed\u5e2f\u57df\u30c8\u30fc\u30ca\u30eb\u6210\u5206<\/strong>\u304c\u539f\u56e0\u3067\u3001\u975e\u5e38\u306b\u8033\u969c\u308a\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059. \u3053\u3046\u3057\u305f\u300c\u98db\u3073\u51fa\u3057\u305f\u30c8\u30fc\u30f3\u300d\u306f\u3001\u901a\u5e38 <strong>\u30c8\u30fc\u30ca\u30ea\u30c6\u30a3\uff0f\u30d7\u30ed\u30df\u30cd\u30f3\u30b9<\/strong>\u306b\u3088\u3063\u3066\u5b9a\u91cf\u5316\u3055\u308c\u307e\u3059.<\/p>\n\n<p>IT \u304a\u3088\u3073\u60c5\u5831\u6280\u8853\u6a5f\u5668\u306e\u9a12\u97f3\u306b\u5bfe\u3057\u3066\u306f\u3001<strong>ECMA-74<\/strong> \u304c\u3001<strong>Tone-to-Noise Ratio (TNR)<\/strong> \u304a\u3088\u3073 <strong>Prominence Ratio (PR)<\/strong> \u306b\u57fa\u3065\u304f\u8a55\u4fa1\u624b\u6cd5\u3092\u898f\u5b9a\u3057\u3066\u304a\u308a\u3001\u30b9\u30da\u30af\u30c8\u30eb\u7dda\u304c <strong>\"prominent tone\"<\/strong> \u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3057\u307e\u3059.<\/p>\n\n<p>\u3053\u308c\u3089\u306e\u6307\u6a19\u306f\u3082\u3068\u3082\u3068\u5fc3\u7406\u97f3\u97ff\u7814\u7a76\u304b\u3089\u751f\u307e\u308c\u305f\u3082\u306e\u3067\u3001\u73fe\u5728\u3067\u306f\u81ea\u52d5\u8eca\u3001\u822a\u7a7a\u5b87\u5b99\u3001\u5bb6\u96fb\u88fd\u54c1\u3001IT \u6a5f\u5668\u306a\u3069\u306e\u5206\u91ce\u3067\u3001<strong>\u4e0d\u5feb\u611f<\/strong>\u306e\u4e88\u6e2c\u3068\u6700\u9069\u5316\u306b\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059. \u305f\u3068\u3048\u3070\u3001\u30e9\u30a6\u30c9\u30cd\u30b9\u3092\u4e00\u5b9a\u306b\u4fdd\u3063\u305f\u6761\u4ef6\u4e0b\u3067\u3001<strong>\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9\u3001\u30c8\u30fc\u30ca\u30ea\u30c6\u30a3\u3001\u30d5\u30e9\u30af\u30c1\u30e5\u30a8\u30fc\u30b7\u30e7\u30f3\u30b9\u30c8\u30ec\u30f3\u30b0\u30b9<\/strong>\u304c\u30d8\u30ea\u30b3\u30d7\u30bf\u30fc\u9a12\u97f3\u306e\u4e0d\u5feb\u611f\u3092\u4e88\u6e2c\u3059\u308b\u3046\u3048\u3067\u91cd\u8981\u306a\u6307\u6a19\u3067\u3042\u308b\u3053\u3068\u304c\u3001\u3044\u304f\u3064\u304b\u306e\u7814\u7a76\u3067\u793a\u3055\u308c\u3066\u3044\u307e\u3059.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>\u306a\u305c\u300cdB \u3060\u3051\u3092\u898b\u308b\u300d\u3088\u308a\u3082\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u304c\u6709\u7528\u306a\u306e\u304b<\/strong><\/h2>\n\n<p>\u591a\u304f\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3001\u6b21\u306e\u3088\u3046\u306a\u7591\u554f\u3092\u76ee\u306b\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u30d5\u30a1\u30f3\u306e 2 \u3064\u306e\u8a2d\u8a08\u306f\u97f3\u97ff\u30d1\u30ef\u30fc\u30ec\u30d9\u30eb\u304c\u307b\u307c\u540c\u3058\u306a\u306e\u306b\u3001\u4e00\u65b9\u306f\u300c\u306a\u3081\u3089\u304b\u306b\u805e\u3053\u3048\u300d\u3001\u3082\u3046\u4e00\u65b9\u306b\u306f\u660e\u78ba\u306a\u30db\u30a4\u30fc\u30f3\u30ce\u30a4\u30ba\u304c\u3042\u308b<\/li>\n\n\n\n<li>\u9a12\u97f3\u5bfe\u7b56\u3092\u884c\u3063\u305f\u7d50\u679c\u3001\u5168\u4f53\u306e SPL \u306f\u6570 dB \u4f4e\u4e0b\u3057\u305f\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u306f\u307b\u3068\u3093\u3069\u6539\u5584\u3057\u306a\u3044<\/li>\n\n\n\n<li>\u751f\u7523\u30e9\u30a4\u30f3\u3067\u306f A \u7279\u6027\u97f3\u5727\u30ec\u30d9\u30eb\u3060\u3051\u3092\u5224\u5b9a\u57fa\u6e96\u3068\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u300c\u97f3\u306e\u8cea\u304c\u60aa\u3044\u300d\u30e6\u30cb\u30c3\u30c8\u304c\u691c\u67fb\u3092\u3059\u308a\u629c\u3051\u3066\u3057\u307e\u3046<\/li>\n<\/ul>\n\n<p>\u6839\u672c\u7684\u306a\u7406\u7531\u306f\u6b21\u306e\u3088\u3046\u306b\u307e\u3068\u3081\u3089\u308c\u307e\u3059:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u97f3\u5727\u30ec\u30d9\u30eb\uff0f\u97f3\u97ff\u30d1\u30ef\u30fc<\/strong> = \u300c\u3069\u308c\u3060\u3051\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u3042\u308b\u304b\u300d<\/li>\n\n\n\n<li><strong>\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u6307\u6a19<\/strong> = \u300c\u8033\u304c\u305d\u308c\u3092\u3069\u3046\u611f\u3058\u308b\u304b\u300d<\/li>\n<\/ul>\n\n<p><strong>\u30e9\u30a6\u30c9\u30cd\u30b9\u3001\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9\u3001\u30e9\u30d5\u30cd\u30b9\u3001\u30d5\u30e9\u30af\u30c1\u30e5\u30a8\u30fc\u30b7\u30e7\u30f3\u30b9\u30c8\u30ec\u30f3\u30b0\u30b9\u3001\u30d7\u30ed\u30df\u30cd\u30f3\u30b9<\/strong>\u3068\u3044\u3063\u305f\u6307\u6a19\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u300c\u3068\u306b\u304b\u304f\u805e\u304d\u5fc3\u5730\u304c\u60aa\u3044\u300d\u3068\u3044\u3063\u305f\u66d6\u6627\u306a\u30af\u30ec\u30fc\u30e0\u3092\u6b21\u306e\u3088\u3046\u306b\u5206\u89e3\u3067\u304d\u307e\u3059:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u3069\u306e\u5468\u6ce2\u6570\u5e2f\u57df\u306b\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u904e\u5270\u306b\u96c6\u4e2d\u3057\u3066\u3044\u308b\u304b(\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9\u304c\u9ad8\u3044\u539f\u56e0)<\/li>\n\n\n\n<li>\u5f37\u3044\u632f\u5e45\u5909\u8abf\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b(\u30e9\u30d5\u30cd\u30b9\u3084\u30d5\u30e9\u30af\u30c1\u30e5\u30a8\u30fc\u30b7\u30e7\u30f3\u30b9\u30c8\u30ec\u30f3\u30b0\u30b9\u306e\u5897\u5927\u8981\u56e0)<\/li>\n\n\n\n<li>\u5468\u56f2\u306e\u5e2f\u57df\u306b\u6bd4\u3079\u3066\u660e\u78ba\u306b\u7a81\u51fa\u3057\u3066\u3044\u308b\u30c8\u30fc\u30ca\u30eb\u6210\u5206\u304c\u306a\u3044\u304b(\u30c8\u30fc\u30ca\u30ea\u30c6\u30a3\uff0f\u30d7\u30ed\u30df\u30cd\u30f3\u30b9\u304c\u9ad8\u3044)<\/li>\n<\/ul>\n\n<p>\u8a2d\u8a08\u306e\u53cd\u5fa9\u306b\u304a\u3044\u3066\u3001\u3053\u308c\u3089\u306e\u6307\u6a19\u306f\u6b21\u306e\u3088\u3046\u306a\u5bfe\u7b56\u306b\u76f4\u63a5\u7d50\u3073\u4ed8\u3051\u3089\u308c\u307e\u3059:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u69cb\u9020\u6700\u9069\u5316(\u525b\u6027\u3001\u56fa\u6709\u30e2\u30fc\u30c9\u3001\u7fbd\u6839\u5f62\u72b6\u306a\u3069)<\/li>\n\n\n\n<li>\u5236\u5fa1\u30b9\u30c8\u30e9\u30c6\u30b8(\u4f8b:PWM \u5468\u6ce2\u6570\u3001\u30d5\u30a1\u30f3\u56de\u8ee2\u6570\u30ab\u30fc\u30d6\u304a\u3088\u3073\u305d\u306e\u9077\u79fb)<\/li>\n\n\n\n<li>\u6750\u6599\u30fb\u9a12\u97f3\u51e6\u7406\uff0f\u906e\u97f3\u306e\u9078\u5b9a<\/li>\n<\/ul>\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u300c\u3068\u306b\u304b\u304f dB \u3092\u4e0b\u3052\u308b\u300d\u3068\u3044\u3063\u305f\u6307\u793a\u3088\u308a\u3082\u3001\u306f\u308b\u304b\u306b\u660e\u78ba\u3067\u5b9f\u884c\u53ef\u80fd\u306a\u5bfe\u7b56\u65b9\u91dd\u304c\u5f97\u3089\u308c\u307e\u3059.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>OpenTest \u306b\u3088\u308b\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u89e3\u6790<\/strong><\/h2>\n\n<p>\u97f3\u97ff\u30fb\u632f\u52d5\u8a66\u9a13\u7528\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3068\u3057\u3066\u3001<strong>OpenTest<\/strong> \u306f\u3001<strong>\u53d6\u5f97 \u2192 \u89e3\u6790 \u2192 \u30ec\u30dd\u30fc\u30c8\u4f5c\u6210<\/strong>\u307e\u3067\u3092\u542b\u3080\u5b8c\u5168\u306a\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059.<strong>\u30da\u30fc\u30b8\u4e0b\u90e8\u306e\u30d5\u30a9\u30fc\u30e0\u306b\u5165\u529b<\/strong>\u3057\u3066\u3044\u305f\u3060\u304f\u3053\u3068\u3067\u3001OpenTest \u306e\u30c7\u30e2\u306b\u95a2\u3059\u308b\u304a\u554f\u3044\u5408\u308f\u305b\u304c\u53ef\u80fd\u3067\u3059.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>\u8a55\u4fa1\u5bfe\u8c61\u30c7\u30d0\u30a4\u30b9\u4f8b:\u30aa\u30d5\u30a3\u30b9 PC \u306e\u30d5\u30a1\u30f3\u30ce\u30a4\u30ba<\/strong><\/h3>\n\n<p>\u624b\u9806\u3092\u5177\u4f53\u7684\u306b\u793a\u3059\u305f\u3081\u3001\u3053\u3053\u3067\u306f\u975e\u5e38\u306b\u8eab\u8fd1\u306a\u30c7\u30d0\u30a4\u30b9\u3067\u3042\u308b\u4e00\u822c\u7684\u306a<strong>\u30aa\u30d5\u30a3\u30b9 PC<\/strong>\u3092\u4f8b\u3068\u3057\u3066\u53d6\u308a\u4e0a\u3052\u307e\u3059.<\/p>\n\n<p><strong>\u8a66\u9a13\u76ee\u7684:<\/strong>\u3055\u307e\u3056\u307e\u306a\u52d5\u4f5c\u72b6\u614b\u306b\u304a\u3051\u308b\u30d5\u30a1\u30f3\u30ce\u30a4\u30ba\u306e\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u6307\u6a19\u3092\u8a55\u4fa1\u3057\u3001\u6b21\u306e\u3088\u3046\u306a\u76ee\u7684\u3092\u9054\u6210\u3057\u307e\u3059:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u7570\u306a\u308b\u51b7\u5374\u65b9\u5f0f\u304a\u3088\u3073\u30d5\u30a1\u30f3\u5236\u5fa1\u30b9\u30c8\u30e9\u30c6\u30b8\u306e\u4e3b\u89b3\u7684\u306a\u9a12\u97f3\u6027\u80fd\u3092\u6bd4\u8f03\u3059\u308b<\/li>\n\n\n\n<li>\u30e9\u30a6\u30c9\u30cd\u30b9\u304c\u76ee\u6a19\u5024\u3092\u8d85\u3048\u3066\u3044\u306a\u3044\u304b\u3001\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9\u304c\u9ad8\u3059\u304e\u306a\u3044\u304b\u306a\u3069(e.g. does loudness exceed the target, is sharpness too high?)\u3001NVH \u30ec\u30d3\u30e5\u30fc\u306b\u5411\u3051\u305f\u5b9a\u91cf\u7684\u306a\u60c5\u5831\u3092\u63d0\u4f9b\u3059\u308b<\/li>\n\n\n\n<li>\u30db\u30a4\u30fc\u30f3\u6210\u5206\u306e\u6291\u5236\u3084\u56de\u8ee2\u6570\u9077\u79fb\u306e\u30b9\u30e0\u30fc\u30b8\u30f3\u30b0\u306a\u3069(e.g. suppressing whine frequencies, smoothing speed transitions)\u3001\u3055\u3089\u306a\u308b\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u57fa\u76e4\u3092\u69cb\u7bc9\u3059\u308b<\/li>\n<\/ul>\n\n<p><strong>\u8a66\u9a13\u74b0\u5883<\/strong>\u306e\u4f8b:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u534a\u7121\u97ff\u5ba4\uff0f\u4f4e\u9a12\u97f3\u30e9\u30dc(\u63a8\u5968)\u3001\u307e\u305f\u306f<\/li>\n\n\n\n<li>\u958b\u767a\u521d\u671f\u306e\u6bd4\u8f03\u8a55\u4fa1\u3092\u76ee\u7684\u3068\u3057\u305f\u9759\u304b\u306a\u30aa\u30d5\u30a3\u30b9\u74b0\u5883<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\"><strong>\u6e2c\u5b9a\u30b7\u30b9\u30c6\u30e0:SonoDAQ + OpenTest \u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u30e2\u30b8\u30e5\u30fc\u30eb<\/strong><\/h3>\n\n<p>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5074\u3067\u306f\u3001<strong>CRYSOUND <a href=\"https:\/\/design.crysound.com\/product\/cry5820-sonodaq-pro\/\" target=\"_blank\" rel=\"noopener\" title=\"\">SonoDAQ<\/a><\/strong> \u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u30c7\u30fc\u30bf\u53ce\u96c6\u30b7\u30b9\u30c6\u30e0(\u8a73\u7d30\u306a\u30e2\u30c7\u30eb\u60c5\u5831\u306b\u3064\u3044\u3066\u306f\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044)\u3092\u4f7f\u7528\u3057\u3001\u8a66\u9a13\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u3001PC \u30d5\u30a1\u30f3\u4ed8\u8fd1\u307e\u305f\u306f\u8074\u53d6\u4f4d\u7f6e\u4ed8\u8fd1\u306b\u8907\u6570\u672c\u306e\u6e2c\u5b9a\u7528\u30de\u30a4\u30af\u30ed\u30db\u30f3\u3092\u914d\u7f6e\u3057\u307e\u3059.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/design.crysound.com\/wp-content\/uploads\/2026\/01\/image-3-1024x466.webp\" alt=\"\" class=\"wp-image-264857\"\/><\/figure>\n\n<p class=\"has-text-align-center\"><em>\u56f3 2 - SonoDAQ Pro \u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u30c7\u30fc\u30bf\u53ce\u96c6\u30b7\u30b9\u30c6\u30e0<\/em><\/p>\n\n<p>\u3082\u3061\u308d\u3093 OpenTest \u306f\u3001<strong>openDAQ\u3001ASIO\u3001WASAPI \u306a\u3069\u306e\u4e3b\u6d41\u30aa\u30fc\u30c7\u30a3\u30aa\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong>\u7d4c\u7531\u3067\u306e\u63a5\u7d9a\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u65e2\u5b58\u306e DAQ \u30c7\u30d0\u30a4\u30b9\u3084\u30aa\u30fc\u30c7\u30a3\u30aa\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u6e2c\u5b9a\u306b\u518d\u5229\u7528\u3067\u304d\u307e\u3059.<\/p>\n\n<p>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5074\u3067\u306f\u3001OpenTest \u306b\u642d\u8f09\u3055\u308c\u305f<strong>\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u30e2\u30b8\u30e5\u30fc\u30eb<\/strong>\u304c\u6e2c\u5b9a\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4e00\u3064\u3068\u3057\u3066\u63d0\u4f9b\u3055\u308c\u307e\u3059. \u3053\u308c\u3092<strong>FFT \u89e3\u6790\u3001\u30aa\u30af\u30bf\u30fc\u30d6\u89e3\u6790\u3001\u97f3\u5727\u30ec\u30d9\u30eb\u89e3\u6790<\/strong>\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u6a19\u6e96\u7684\u306a\u97f3\u97ff\u30fb\u632f\u52d5\u8a66\u9a13\u306e\u591a\u304f\u3092\u30ab\u30d0\u30fc\u3067\u304d\u307e\u3059.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>\u6e2c\u5b9a\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8a2d\u5b9a<\/strong><\/h3>\n\n<p>OpenTest \u3067\u65b0\u898f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u305f\u3089\u3001\u6b21\u306e\u624b\u9806\u3092\u5b9f\u884c\u3057\u307e\u3059:<\/p>\n\n<p><strong>1. \u30c1\u30e3\u30f3\u30cd\u30eb\u8a2d\u5b9a\u304a\u3088\u3073\u6821\u6b63<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Channel Setup<\/strong> \u753b\u9762\u3067\u4f7f\u7528\u3059\u308b\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u9078\u629e\u3057\u3001\u611f\u5ea6\u3001\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30ec\u30fc\u30c8\u3001\u5468\u6ce2\u6570\u91cd\u307f\u4ed8\u3051\u306a\u3069\u3092\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8a2d\u5b9a\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30b5\u30a6\u30f3\u30c9\u30ec\u30d9\u30eb\u30ad\u30e3\u30ea\u30d6\u30ec\u30fc\u30bf(\u4f8b:1 kHz\u300194 dB SPL)\u3092\u7528\u3044\u3066\u6e2c\u5b9a\u7528\u30de\u30a4\u30af\u30ed\u30db\u30f3\u3092\u6821\u6b63\u3057\u3001\u30e9\u30a6\u30c9\u30cd\u30b9\u3084\u95a2\u9023\u6307\u6a19\u306b\u5bfe\u3057\u3066\u4fe1\u983c\u3067\u304d\u308b\u7d76\u5bfe\u57fa\u6e96\u3092\u78ba\u4fdd\u3057\u307e\u3059<\/li>\n<\/ul>\n\n<p><strong>2. \u300cMeasure &gt; Sound Quality\u300d\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u5207\u308a\u66ff\u3048\u308b<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u8a08\u7b97\u5bfe\u8c61\u3068\u3059\u308b\u6307\u6a19\u3068\u3057\u3066\u3001<strong>\u30e9\u30a6\u30c9\u30cd\u30b9\u3001\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9\u3001\u30d7\u30ed\u30df\u30cd\u30f3\u30b9<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u89e3\u6790\u5e2f\u57df\u3001\u5468\u6ce2\u6570\u5206\u89e3\u80fd\u3001\u6642\u9593\u5e73\u5747\u30e2\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u8a66\u9a13\u6642\u9593\u3084\u5404\u52d5\u4f5c\u72b6\u614b\u306b\u5bfe\u5fdc\u3059\u308b\u30e9\u30d9\u30eb\u3092\u8a2d\u5b9a\u3057\u307e\u3059<\/li>\n<\/ul>\n\n<p>\u672c\u8cea\u7684\u306b\u306f\u3001\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u3088\u3063\u3066\u3001<strong>ISO 532\u3001DIN 45692\u3001ECMA-74<\/strong> \u306b\u304a\u3051\u308b\u300c\u8a08\u7b97\u5b9a\u7fa9\u300d\u3092\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a<strong>OpenTest \u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u30b7\u30ca\u30ea\u30aa\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/strong>\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>\u7570\u306a\u308b\u52d5\u4f5c\u72b6\u614b\u3067\u306e\u97f3\u30c7\u30fc\u30bf\u53d6\u5f97<\/strong><\/h3>\n\n<p>\u8a66\u9a13\u74b0\u5883\u306e\u6e96\u5099\u3068\u30d1\u30e9\u30e1\u30fc\u30bf\u8a2d\u5b9a\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001<strong>Start<\/strong> \u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u52d5\u4f5c\u72b6\u614b\u306b\u304a\u3051\u308b\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u30c7\u30fc\u30bf\u3092\u6e2c\u5b9a\u3057\u307e\u3059. \u5404\u8a66\u9a13\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u81ea\u52d5\u7684\u306b\u4fdd\u5b58\u3055\u308c\u3001\u5f8c\u3067\u89e3\u6790\u306b\u5229\u7528\u3067\u304d\u307e\u3059.<\/p>\n\n<p>\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u306f<strong>\u5b9f\u969b\u306e\u4f7f\u7528\u6642\u306b\u3069\u306e\u3088\u3046\u306b\u805e\u3053\u3048\u308b\u304b<\/strong>\u306b\u7740\u76ee\u3059\u308b\u305f\u3081\u3001\u6b21\u306e\u3088\u3046\u306a\u4ee3\u8868\u7684\u306a\u72b6\u614b\u3092\u8907\u6570\u8a18\u9332\u3057\u3066\u304a\u304f\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30a2\u30a4\u30c9\u30eb\uff0f\u30b9\u30bf\u30f3\u30d0\u30a4<\/strong>(\u30d5\u30a1\u30f3\u505c\u6b62\u307e\u305f\u306f\u4f4e\u901f\u56de\u8ee2)<\/li>\n\n\n\n<li><strong>\u5178\u578b\u7684\u306a\u30aa\u30d5\u30a3\u30b9\u8ca0\u8377<\/strong>(\u6587\u66f8\u4f5c\u6210\u3001\u8907\u6570\u30bf\u30d6\u3067\u306e\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u306a\u3069)<\/li>\n\n\n\n<li><strong>\u9ad8\u8ca0\u8377\uff0f\u30b9\u30c8\u30ec\u30b9\u30c6\u30b9\u30c8<\/strong>(CPU\uff0fGPU \u3092\u30d5\u30eb\u30ed\u30fc\u30c9)<\/li>\n<\/ul>\n\n<p>\u3053\u306e\u3088\u3046\u306b\u72b6\u614b\u3092\u5206\u985e\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f<strong>\u3069\u306e\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u7d50\u679c\u304c\u3069\u306e\u52d5\u4f5c\u72b6\u614b\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304b<\/strong>\u3092\u660e\u78ba\u306b\u7ba1\u7406\u3067\u304d\u307e\u3059.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/design.crysound.com\/wp-content\/uploads\/2026\/01\/image-4-1024x554.webp\" alt=\"\" class=\"wp-image-264858\"\/><\/figure>\n\n<p class=\"has-text-align-center\"><em>\u56f3 3 - OpenTest \u4e0a\u3067\u8907\u6570\u306e\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u8a66\u9a13\u30ec\u30b3\u30fc\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u8868\u793a<\/em><\/p>\n\n<h3 class=\"wp-block-heading\"><strong>\u8907\u6570\u56de\u306e\u6e2c\u5b9a\u304b\u3089\u5358\u4e00\u306e\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u30ec\u30dd\u30fc\u30c8\u3078<\/strong><\/h3>\n\n<p>\u30a2\u30a4\u30c9\u30eb\u3001\u5178\u578b\u7684\u306a\u30aa\u30d5\u30a3\u30b9\u8ca0\u8377\u3001\u30d5\u30eb\u30ed\u30fc\u30c9\u306e\u30b9\u30c8\u30ec\u30b9\u30c6\u30b9\u30c8\u306a\u3069(e.g. idle, typical office and full-load stress test)\u3001\u8907\u6570\u306e\u52d5\u4f5c\u72b6\u614b\u3067\u6e2c\u5b9a\u3092\u884c\u3063\u305f\u5f8c\u3001OpenTest \u4e0a\u3067\u6b21\u306e\u64cd\u4f5c\u3092\u5b9f\u65bd\u3067\u304d\u307e\u3059.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u30ea\u30b9\u30c8<\/strong>\u3067\u3001\u6bd4\u8f03\u3084\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u8868\u793a\u3092\u884c\u3044\u305f\u3044\u30ec\u30b3\u30fc\u30c9\u3092\u9078\u629e\u3057\u307e\u3059:\n<ul class=\"wp-block-list\">\n<li>\u6761\u4ef6\u3054\u3068\u306e\u30e9\u30a6\u30c9\u30cd\u30b9\u30ab\u30fc\u30d6\u3092\u6bd4\u8f03\u3059\u308b<\/li>\n\n\n\n<li>\u52a0\u901f\u6642\u3084\u56de\u8ee2\u6570\u9077\u79fb\u6642\u306b\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9\u304c\u30b9\u30d1\u30a4\u30af\u3057\u3066\u3044\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n\n\n\n<li>\u9855\u8457\u306a\u72ed\u5e2f\u57df\u30c8\u30fc\u30f3(\u30d7\u30ed\u30df\u30cd\u30f3\u30b9\u304c\u9ad8\u3044)\u304c\u73fe\u308c\u308b\u52d5\u4f5c\u72b6\u614b\u3092\u7279\u5b9a\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Data Selector<\/strong> \u3067\u306f\u3001\u5bfe\u5fdc\u3059\u308b\u6ce2\u5f62\u30c7\u30fc\u30bf\u3068\u89e3\u6790\u7d50\u679c\u3092\u4fdd\u5b58\u3067\u304d\u307e\u3059:\n<ul class=\"wp-block-list\">\n<li>\u5f8c\u306e\u8074\u611f\u8a55\u4fa1\u8a66\u9a13\u3084\u4e3b\u89b3\u8a55\u4fa1\u306b\u5411\u3051\u3066\u3001<strong>.wav<\/strong> \u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b<\/li>\n\n\n\n<li>\u3055\u3089\u306a\u308b\u7d71\u8a08\u89e3\u6790\u3084\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u305f\u3081\u306b\u3001<strong>.csv\uff0fExcel<\/strong> \u3068\u3057\u3066\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30c4\u30fc\u30eb\u30d0\u30fc\u306e <strong>Report<\/strong> \u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059:\n<ul class=\"wp-block-list\">\n<li>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u60c5\u5831\u3001DUT \u3068\u52d5\u4f5c\u72b6\u614b\u306e\u60c5\u5831\u3092\u5165\u529b\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30ec\u30dd\u30fc\u30c8\u306b\u542b\u3081\u308b\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u6307\u6a19\u3084\u30b0\u30e9\u30d5(\u30e9\u30a6\u30c9\u30cd\u30b9\u5bfe\u6642\u9593\u3001\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9\u306e\u68d2\u30b0\u30e9\u30d5\u3001\u30c8\u30fc\u30ca\u30eb\u30d7\u30ed\u30df\u30cd\u30f3\u30b9\u3092\u30de\u30fc\u30ad\u30f3\u30b0\u3057\u305f\u30b9\u30da\u30af\u30c8\u30eb\u306a\u3069)\u3092\u9078\u629e\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u30ec\u30dd\u30fc\u30c8\u3092\u81ea\u52d5\u751f\u6210\u3057\u3001\u793e\u5185\u30ec\u30d3\u30e5\u30fc\u3084\u9867\u5ba2\u63d0\u51fa\u306b\u5229\u7528\u3067\u304d\u307e\u3059<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/design.crysound.com\/wp-content\/uploads\/2026\/01\/image-5-1024x554.webp\" alt=\"\" class=\"wp-image-264859\"\/><\/figure>\n\n<p class=\"has-text-align-center\"><em>\u56f3 4 - OpenTest \u306b\u3088\u308b\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u30ec\u30dd\u30fc\u30c8\u306e\u4f8b<\/em><\/p>\n\n<p>\u751f\u6210\u3055\u308c\u305f\u30ec\u30dd\u30fc\u30c8\u306b\u306f\u3001\u6b21\u306e\u5185\u5bb9\u304c\u542b\u307e\u308c\u307e\u3059 <strong>\u6e2c\u5b9a\u6761\u4ef6\u304a\u3088\u3073\u52d5\u4f5c\u30e2\u30fc\u30c9<\/strong>, <strong>\u4e3b\u8981\u306a\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u6307\u6a19<\/strong> \u30e9\u30a6\u30c9\u30cd\u30b9\u3001\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9\u3001\u30d7\u30ed\u30df\u30cd\u30f3\u30b9\u306a\u3069\u3068\u3001\u5f93\u6765\u306e\u97f3\u97ff\u6307\u6a19(\u97f3\u5727\u30ec\u30d9\u30eb\u30011\/3 \u30aa\u30af\u30bf\u30fc\u30d6\u30d0\u30f3\u30c9\u30b9\u30da\u30af\u30c8\u30eb\u3001\u97f3\u97ff\u30d1\u30ef\u30fc\u306a\u3069)\u3068\u306e\u6bd4\u8f03\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c1\u30fc\u30e0\u304c\u3001 <strong>\u5ba2\u89b3\u7684\u3067\u3042\u308a\u306a\u304c\u3089\u8074\u611f\u3068\u5bc6\u63a5\u306b\u95a2\u9023\u3057\u305f\u4e00\u9023\u306e\u6307\u6a19<\/strong>.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>\u4ee3\u8868\u7684\u306a\u9069\u7528\u30b7\u30ca\u30ea\u30aa<\/strong><\/h2>\n\n<p>OpenTest \u3067\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u9818\u57df\u3054\u3068\u306b\u7570\u306a\u308b\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u8a66\u9a13\u30b7\u30ca\u30ea\u30aa\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059.\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u3059:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6c11\u751f\u96fb\u5b50\u6a5f\u5668\uff0fIT \u6a5f\u5668(\u30ce\u30fc\u30c8 PC\u3001\u30eb\u30fc\u30bf\u3001\u30d5\u30a1\u30f3\u306a\u3069)<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30e9\u30a6\u30c9\u30cd\u30b9\uff0b\u30b7\u30e3\u30fc\u30d7\u30cd\u30b9\uff0b(\u5fc5\u8981\u306b\u5fdc\u3058\u3066)\u30e9\u30d5\u30cd\u30b9\u3092\u7528\u3044\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u71b1\u8a2d\u8a08\uff0f\u30d5\u30a1\u30f3\u5236\u5fa1\u30b9\u30c8\u30e9\u30c6\u30b8\u306e\u300c\u4e3b\u89b3\u7684\u5feb\u9069\u6027\u300d\u3092\u8a55\u4fa1\u3059\u308b<\/li>\n\n\n\n<li>\u7570\u306a\u308b\u56de\u8ee2\u6570\u30ab\u30fc\u30d6\u3084 PWM \u5236\u5fa1\u30b9\u30ad\u30fc\u30e0\u9593\u3067\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u3092\u6bd4\u8f03\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u81ea\u52d5\u8eca NVH\uff0f\u96fb\u52d5\u99c6\u52d5\u30b7\u30b9\u30c6\u30e0<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u53ce\u9332\u306b\u3088\u308a\u3001\u8eca\u5ba4\u5185\u9a12\u97f3\u3068\u8eca\u901f\u4fe1\u53f7\u306a\u3069\u3092\u540c\u671f\u3057\u3066\u8a18\u9332\u3059\u308b<\/li>\n\n\n\n<li>\u30aa\u30fc\u30c0\u89e3\u6790\u3068\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u6307\u6a19\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u96fb\u52d5\u99c6\u52d5\u30db\u30a4\u30fc\u30f3\u304c\u3069\u308c\u3060\u3051\u300c\u92ed\u3044\u300d\u304b\u3001\u307e\u305f\u3001\u30e9\u30d5\u30cd\u30b9\u3092\u5f15\u304d\u8d77\u3053\u3059\u9855\u8457\u306a\u5909\u8abf\u304c\u5b58\u5728\u3059\u308b\u304b\u3092\u8a55\u4fa1\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5bb6\u96fb\u88fd\u54c1\u304a\u3088\u3073\u7523\u696d\u6a5f\u5668<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u97f3\u97ff\u30d1\u30ef\u30fc\u304c\u3059\u3067\u306b\u898f\u683c\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001dB \u306e\u307f\u3067\u306f\u306a\u304f\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u6307\u6a19\u3092\u7528\u3044\u3066\u300c\u4e0d\u5feb\u306a\u9a12\u97f3\u300d\u3092\u8ffd\u52a0\u7684\u306b\u30b9\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n<p>\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u8a66\u9a13\u74b0\u5883\u3092\u65b0\u305f\u306b\u69cb\u7bc9\u3001\u3042\u308b\u3044\u306f\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001<strong>ISO 532 \u3068 ECMA-74<\/strong> \u3092\u57fa\u76e4\u3068\u3057\u3001<strong>OpenTest<\/strong> \u306b\u3088\u3063\u3066<strong>\u74b0\u5883\u3001\u30c7\u30fc\u30bf\u53d6\u5f97\u3001\u89e3\u6790\u3001\u30ec\u30dd\u30fc\u30c8\u4f5c\u6210<\/strong>\u3092\u4e00\u9023\u306e\u518d\u73fe\u53ef\u80fd\u306a\u30d5\u30ed\u30fc\u3068\u3057\u3066\u63a5\u7d9a\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046. \u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u5404\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u8a66\u9a13\u306f\u660e\u78ba\u306b\u30c8\u30ec\u30fc\u30b5\u30d6\u30eb\u3068\u306a\u308a\u3001<strong>\u5358\u767a\u306e\u5b9f\u9a13<\/strong>\u306b\u3068\u3069\u307e\u3089\u305a\u3001<strong>\u9577\u671f\u7684\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u8cc7\u7523<\/strong>\u3078\u3068\u767a\u5c55\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059.<\/p>\n\n<p>\u30da\u30fc\u30b8<strong>\u4e0b\u90e8\u306e\u30d5\u30a9\u30fc\u30e0 \u2193 \u306b\u3054\u8a18\u5165<\/strong>\u3044\u305f\u3060\u304d\u3001OpenTest \u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30c7\u30e2\u3084\u30c8\u30e9\u30a4\u30a2\u30eb\u306b\u95a2\u3059\u308b\u304a\u554f\u3044\u5408\u308f\u305b\u3092\u304a\u9001\u308a\u304f\u3060\u3055\u3044. \u307e\u305f\u3001<a href=\"http:\/\/www.opentest.com\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>www.opentest.com<\/strong><\/a> \u306e OpenTest \u516c\u5f0f\u30b5\u30a4\u30c8\u3067\u306f\u3001\u6a5f\u80fd\u3084\u9069\u7528\u4e8b\u4f8b\u306e\u8a73\u7d30\u3092\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059.<\/p>\n\n<p><\/p>\n\n<p><\/p>\n\n<p><\/p>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u8a18\u4e8b\u306f\u97f3\u97ff\u304a\u3088\u3073\u632f\u52d5\u8a66\u9a13\u306b\u643a\u308f\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u5bfe\u8c61\u3068\u3057\u3066\u3044\u307e\u3059. \u672c\u8a18\u4e8b\u3067\u306f\u3001OpenTest \u4e0a\u3067\u3001ISO 532 \u306b\u3088\u308b\u30e9\u30a6\u30c9\u30cd\u30b9\u898f\u683c\u304a\u3088\u3073 ECMA-74 \u306e\u30c8\u30fc\u30ca\u30ea\u30c6\u30a3\u8a55\u4fa1\u624b\u6cd5\u306b\u57fa\u3065\u3044\u305f\u30b5\u30a6\u30f3\u30c9\u30af\u30aa\u30ea\u30c6\u30a3\u6e2c\u5b9a\u306e\u5b9f [...]<\/p>\n","protected":false},"author":1,"featured_media":285030,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","content-type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1060,1056],"tags":[1064],"class_list":["post-285020","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-e3-82-a2-e3-83-97-e3-83-aa-e3-82-b1-e3-83-bc-e3-82-b7-e3-83-a7-e3-83-b3-e3-83-8e-e3-83-bc-e3-83-88","category-e3-83-96-e3-83-ad-e3-82-b0","tag-e9-9f-b3-e8-b3-aa"],"blocksy_meta":[],"acf":[],"jetpack_featured_media_url":"https:\/\/design.crysound.com\/wp-content\/uploads\/2026\/02\/48Sound-Quality-Measurement-with-OpenTest-scaled-1.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/design.crysound.com\/ja\/wp-json\/wp\/v2\/posts\/285020","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/design.crysound.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/design.crysound.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/design.crysound.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/design.crysound.com\/ja\/wp-json\/wp\/v2\/comments?post=285020"}],"version-history":[{"count":0,"href":"https:\/\/design.crysound.com\/ja\/wp-json\/wp\/v2\/posts\/285020\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/design.crysound.com\/ja\/wp-json\/wp\/v2\/media\/285030"}],"wp:attachment":[{"href":"https:\/\/design.crysound.com\/ja\/wp-json\/wp\/v2\/media?parent=285020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/design.crysound.com\/ja\/wp-json\/wp\/v2\/categories?post=285020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/design.crysound.com\/ja\/wp-json\/wp\/v2\/tags?post=285020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}