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\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u304c\u4e0d\u8db3\u3057\u305f\u5834\u5408\u306b\u8d77\u304d\u308b\u30a8\u30a4\u30ea\u30a2\u30b7\u30f3\u30b0\u306f\u3001\u5358\u306b\u300c\u9ad8\u57df\u304c\u524a\u308c\u308b\u300d\u3060\u3051\u3067\u306a\u304f\u300c\u507d\u306e\u4f4e\u5468\u6ce2\u300d\u306b\u898b\u3048\u308b\u70b9\u304c\u5384\u4ecb\u3067\u3001\u8aa4\u8a3a\u65ad\u306e\u539f\u56e0\u306b\u306a\u308b\u3002\u3053\u308c\u306f\u3001\u4f8b\u3048\u30705MHz\u306e\u6b63\u5f26\u6ce2\u30926MS\/s\u3067\u53d6\u308a\u8fbc\u3080\u30681MHz\u306e\u6ce2\u306b\u898b\u3048\u3066\u3057\u307e\u3046\u3001\u3068\u3044\u3063\u305f\u5178\u578b\u4f8b\u3067\u78ba\u8a8d\u3067\u304d\u308b\u73fe\u8c61\u3067\u3042\u308b\u3002\u97f3\u306e\u8a08\u6e2c\u3067\u3082\u540c\u69d8\u3067\u3001\u60f3\u5b9a\u5916\u306b\u4f4e\u3044\u6210\u5206\u304c\u73fe\u308c\u305f\u3068\u304d\u306f\u3001\u307e\u305a\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u8a2d\u8a08\u3068\u524d\u6bb5\u30d5\u30a3\u30eb\u30bf\u3092\u7591\u3046\u306e\u304c\u826f\u3044\u3002[10][6][9]\n\n\n\n
\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u3068\u91cf\u5b50\u5316\u30d3\u30c3\u30c8\u6570\u3092\u6c7a\u3081\u308b\u5177\u4f53\u7684\u306a\u624b\u9806\u306f\u6b21\u306e\u3088\u3046\u306b\u307e\u3068\u3081\u3089\u308c\u308b\u30021) \u76ee\u7684\u306e\u6545\u969c\u30e2\u30fc\u30c9\u304b\u3089\u6709\u52b9\u5e2f\u57df\u3092\u63a8\u5b9a\u3059\u308b\uff08\u4f8b\uff1a\u53ef\u8074\u57df\u5185\u306e\u7570\u97f3\u306a\u3089\u301c20kHz\u3001\u8d85\u97f3\u6ce2\u30ea\u30fc\u30af\u691c\u77e5\u306a\u3089\u6570\u5341kHz\u4ee5\u4e0a\uff09\u30022) \u4eee\u306efmax\u306b\u5bfe\u3057\u3066fs\u22652fmax\uff08\u63a8\u5968\u306f>2.5\u301c4\u500d\uff09\u3092\u8a2d\u5b9a\u3057\u3001\u5bfe\u5fdc\u3059\u308b\u30a2\u30f3\u30c1\u30a8\u30a4\u30ea\u30a2\u30b9\u30d5\u30a3\u30eb\u30bf\u4ed5\u69d8\u3092\u78ba\u8a8d\u3059\u308b\u30023) \u671f\u5f85\u3059\u308b\u6700\u5c0f\u4fe1\u53f7\u3068\u6700\u5927\u4fe1\u53f7\u304b\u3089\u5fc5\u8981\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ec\u30f3\u30b8\u3092\u898b\u7a4d\u3082\u308a\u300116bit\u3067\u8db3\u308a\u308b\u304b24bit\u304c\u5fc5\u8981\u304b\u3092\u5224\u65ad\u3059\u308b\uff08\u5c0f\u4fe1\u53f7\u306e\u8b58\u5225\u3084\u7de8\u96c6\u8010\u6027\u304c\u8981\u308b\u5834\u5408\u306f24bit\uff09\u30024) \u30c7\u30fc\u30bf\u91cf\uff08\u30c1\u30e3\u30f3\u30cd\u30eb\u6570\u00d7fs\u00d7\u30d3\u30c3\u30c8\u6570\uff09\u3068\u8a18\u9332\u30fb\u901a\u4fe1\u30fb\u4fdd\u5b58\u306e\u80fd\u529b\u3092\u7167\u5408\u3057\u3001\u5fc5\u8981\u306a\u3089\u5e2f\u57df\u5236\u9650\u3084\u5727\u7e2e\u3001\u30c8\u30ea\u30ac\u8a08\u6e2c\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3002[13][12][15][6][7][9][16][1]\n\n\n\n
\u97f3\u306e\u30c7\u30fc\u30bf\u8868\u8a18\u3067\u306f\u300c44.1kHz\/16bit\u300d\u300c48kHz\/24bit\u300d\u306e\u3088\u3046\u306b\u3001\u6a2a\uff08\u6642\u9593\u523b\u307f\uff09\u3068\u7e26\uff08\u30ec\u30d9\u30eb\u523b\u307f\uff09\u306e\u4e8c\u3064\u306e\u89e3\u50cf\u5ea6\u3092\u4e26\u3079\u3066\u793a\u3059\u3002\u524d\u8005\u304c\u300c\u3069\u3053\u307e\u3067\u9ad8\u3044\u5468\u6ce2\u6570\u3092\u6271\u3048\u308b\u304b\u300d\u3001\u5f8c\u8005\u304c\u300c\u3069\u308c\u3060\u3051\u7d30\u304b\u306a\u5927\u304d\u3055\u306e\u9055\u3044\u3092\u533a\u5225\u3067\u304d\u308b\u304b\u300d\u3092\u610f\u5473\u3059\u308b\u305f\u3081\u3001\u7528\u9014\u306b\u5fdc\u3058\u3066\u4e21\u65b9\u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u304c\u3001\u8a18\u9332\u7cbe\u5ea6\u3068\u5b9f\u7528\u6027\u3092\u4e21\u7acb\u3055\u305b\u308b\u9375\u306b\u306a\u308b\u3002[14][2][7][13]\n\n\n\n
\u6700\u5f8c\u306b\u3001\u5178\u578b\u7684\u306a\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u306e\u4f7f\u3044\u5206\u3051\u3092\u6574\u7406\u3059\u308b\u3002\u96fb\u8a71\u306e\u97f3\u58f0\u51e6\u7406\u3067\u306f8kHz\u308416kHz\u304c\u7528\u3044\u3089\u308c\u3001\u4eba\u306e\u4f1a\u8a71\u306b\u5fc5\u8981\u306a\u5e2f\u57df\u3092\u52b9\u7387\u3088\u304f\u4f1d\u3048\u308b\u3002\u97f3\u697d\u914d\u4fe1\u3084CD\u3067\u306f44.1kHz\/16bit\u304c\u6a19\u6e96\u3067\u3001\u53ef\u8074\u5e2f\u57df\u3092\u30ab\u30d0\u30fc\u3057\u3064\u3064\u30c7\u30fc\u30bf\u91cf\u3092\u6291\u3048\u308b\u3002\u653e\u9001\u30fb\u6620\u50cf\u5236\u4f5c\u3067\u306f48kHz\u304c\u5e83\u304f\u4f7f\u308f\u308c\u3001\u30d7\u30ed\u5236\u4f5c\u3084\u89e3\u6790\u3067\u306f96kHz\u3084192kHz\u304c\u9078\u3070\u308c\u308b\u5834\u9762\u304c\u3042\u308b\u3002\u6545\u969c\u4e88\u77e5\u3084\u5b9f\u9a13\u8a08\u6e2c\u3067\u306f\u3001\u89b3\u6e2c\u5bfe\u8c61\u306e\u5e2f\u57df\u306b\u5fdc\u3058\u3066\u3055\u3089\u306b\u9ad8\u3044\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3092\u9078\u3076\u3053\u3068\u304c\u3042\u308a\u3001\u540c\u6642\u306b\u30a2\u30f3\u30c1\u30a8\u30a4\u30ea\u30a2\u30b9\u3068\u91cf\u5b50\u5316\u306e\u8a2d\u8a08\u3092\u30bb\u30c3\u30c8\u3067\u8003\u3048\u308b\u306e\u304c\u6b63\u9053\u3067\u3042\u308b\u3002[5][12][2][6][7][9][1]\n\n\n\n[1] https:\/\/www.freshvoice.net\/knowledge\/word\/6703\/<\/p>\n\n\n\n[2] https:\/\/www.fullten.jp\/blog\/contents\/sampling\/<\/p>\n\n\n\n[3] https:\/\/www.amei.or.jp\/report\/DR_Div\/base.htm<\/p>\n\n\n\n[4] https:\/\/www.keyence.co.jp\/ss\/products\/recorder\/lab\/voltage\/point.jsp<\/p>\n\n\n\n[5] https:\/\/eleki-labo.com\/guide\/sampling-rate\/<\/p>\n\n\n\n[6] https:\/\/www.techeyesonline.com\/glossary\/detail\/%E3%82%B5%E3%83%B3%E3%83%97%E3%83%AA%E3%83%B3%E3%82%B0%E5%AE%9A%E7%90%86\/<\/p>\n\n\n\n[7] https:\/\/www.phileweb.com\/sp\/review\/column\/201302\/07\/272.html<\/p>\n\n\n\n[8] https:\/\/www.shinkawa.co.jp\/times\/2014_01column_glossary6<\/p>\n\n\n\n[9] https:\/\/www.ni.com\/docs\/ja-JP\/bundle\/ni-fgen\/page\/nyquist-and-shannons-sampling-theorems.html<\/p>\n\n\n\n[10] https:\/\/ja.wikipedia.org\/wiki\/%E3%83%8A%E3%82%A4%E3%82%AD%E3%82%B9%E3%83%88%E5%91%A8%E6%B3%A2%E6%95%B0<\/p>\n\n\n\n[11] https:\/\/ja.wikipedia.org\/wiki\/%E6%A8%99%E6%9C%AC%E5%8C%96%E5%AE%9A%E7%90%86<\/p>\n\n\n\n[12] https:\/\/qiita.com\/panda11\/items\/e28ae434c0dd64a2dbb7<\/p>\n\n\n\n[13] https:\/\/eleki-labo.com\/tech\/bit-depth\/<\/p>\n\n\n\n[14] https:\/\/videosalon.jp\/series\/sound\/<\/p>\n\n\n\n[15] https:\/\/simplestudio.jp\/the-techniques\/16bit-vs-24bit\/<\/p>\n\n\n\n[16] https:\/\/www.aps-web.jp\/blog\/85040\/<\/p>\n\n\n\n[17] https:\/\/www.youtube.com\/watch?v=quwLO7TuDnI<\/p>\n\n\n\n[18] https:\/\/www.seplus.jp\/dokushuzemi\/ec\/fe\/fenavi\/easy_calc\/sampling_voices\/<\/p>\n\n\n\n[19] https:\/\/note.com\/prismaton\/n\/n2d8f9f648c22<\/p>\n\n\n\n[20] https:\/\/www.skillupai.com\/blog\/tech\/as-tips-1\/<\/p>\n\n\n\n
<\/p>\n\n\n\n
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