{"id":77,"date":"2017-12-23T00:07:09","date_gmt":"2017-12-22T15:07:09","guid":{"rendered":"http:\/\/mell0w-5phere.net\/jaded5phere\/2017\/12\/23\/2017-12-23-000709\/"},"modified":"2018-03-23T04:07:19","modified_gmt":"2018-03-22T19:07:19","slug":"format-wave","status":"publish","type":"post","link":"https:\/\/mell0w-5phere.net\/jaded5phere\/2017\/12\/23\/format-wave\/","title":{"rendered":"wave\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u4ed5\u7d44\u307f"},"content":{"rendered":"<p>\u97f3\u58f0\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u985e\u3068\u3057\u3066\u306fmp3\u306a\u3069\u3068\u4e26\u3093\u3067\u6709\u540d\u306awave(.wav)\u3060\u304c\u3001\u305d\u306e\u4e2d\u8eab\u3092\u898b\u3066\u307f\u3088\u3046\u3068\u601d\u3063\u305f\u306e\u3067\u66f8\u304f(\u5b9f\u969b\u306b\u77ed\u3044wav\u30d5\u30a1\u30a4\u30eb\u3092\u30d0\u30a4\u30ca\u30ea\u30a8\u30c7\u30a3\u30bf\u3067\u898b\u308b\u306a\u3069\u3059\u308b\u3068\u7406\u89e3\u306b\u826f\u3044\u304b\u3082\u3057\u308c\u306a\u3044)\u3002<\/p>\n<p>\u203b\u57fa\u672c\u7684\u306b\u30d0\u30a4\u30c8\u30aa\u30fc\u30c0\u30fc\u306f\u30ea\u30c8\u30eb\u30a8\u30f3\u30c7\u30a3\u30a2\u30f3\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u6ce8\u610f\u3055\u308c\u305f\u3057\u3002<\/p>\n<hr>\n<h4>1.RIFF\u30c1\u30e3\u30f3\u30af<\/h4>\n<p>\nRIFF\u30c1\u30e3\u30f3\u30af\u306b\u306f\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u4e3b\u306a\u30c7\u30fc\u30bf\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u3066\u3001\u30d8\u30c3\u30c0\u30fc\u306f12Byte\u3002\u5185\u8a33\u306f\u4ee5\u4e0b\u306e\u901a\u308a\uff1a<\/p>\n<ul>\n<li>4Byte - \u3053\u306e\u30d5\u30a1\u30a4\u30eb\u304cRIFF\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\"RIFF\"(0x52494646)\u3002<\/li>\n<li>4Byte - \u3053\u308c\u4ee5\u964d\u306eRIFF\u30c1\u30e3\u30f3\u30af\u306e\u30b5\u30a4\u30ba(=\u5168\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba-8Byte)\u3002<\/li>\n<li>4Byte - \u3053\u306e\u30d5\u30a1\u30a4\u30eb\u304cwave\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\"wave\"(0x57415645)\u3002<\/li>\n<\/ul>\n<p>\u203b\u305d\u3082\u305d\u3082RIFF\u30d5\u30a1\u30a4\u30eb\u3068\u306f\uff1aResource Interchange File Format\u306e\u7565\u3067\u3001AVI\u306a\u3069\u3082\u3053\u306e\u5f62\u5f0f\u3002RIFF\u30c1\u30e3\u30f3\u30af\u5185\u306e\u30b5\u30d6\u30c1\u30e3\u30f3\u30af\u306b\u30c7\u30fc\u30bf\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u304f\u3002\n<\/p>\n<h4>2.fmt\u30c1\u30e3\u30f3\u30af<\/h4>\n<p>\n\u3000\u3053\u3053\u304b\u3089\u306fwave\u30d5\u30a1\u30a4\u30eb\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u6307\u5b9a\u3059\u308bfmt\u30c1\u30e3\u30f3\u30af\u304c\u7d9a\u304f\u3002\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\uff1a<\/p>\n<ul>\n<li>4Byte - fmt\u30c1\u30e3\u30f3\u30af\u306e\u8b58\u5225\u5b50\"fmt \"(0x666d7420)<\/li>\n<li>4Byte - \u3053\u308c\u4ee5\u964d\u306efmt\u30c1\u30e3\u30f3\u30af\u306e\u30b5\u30a4\u30ba\u3002PCM\u300132bit float\u306a\u308916(0x10000000)<\/li>\n<li>2Byte - \u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u30bf\u30a4\u30d7\u3002PCM\u3067\u306f1(0x0100)\u300132bit float\u306a\u30893(0x0300)\u3002<\/li>\n<li>2Byte - \u30c1\u30e3\u30f3\u30cd\u30eb\u6570\u3002\u30e2\u30ce\u30e9\u30eb\u306a\u30891(0x0100)\u3001\u30b9\u30c6\u30ec\u30aa\u306a\u30892(0x0200)\u3002<\/li>\n<li>4Byte - \u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30ec\u30fc\u30c8(Hz)\u300244.1kHz\u306a\u308944100(0x44ac0000)\u3002<\/li>\n<li>4Byte - \u30d0\u30a4\u30c8\u30ec\u30fc\u30c8(Byte\/s)\u300244.1kHz\u3001\u30b9\u30c6\u30ec\u30aa\u300116bit\u306a\u30891\u79d2\u306b44100(Hz)*2(ch)*2(Byte)=176400(0x10b10200)\u306b\u306a\u308b\u3002<\/li>\n<li>2Byte - \u30d6\u30ed\u30c3\u30af\u30b5\u30a4\u30ba(Byte)\u3002\u30b9\u30c6\u30ec\u30aa\u300116bit\u306a\u30892(ch)*2(Byte)=4(0x0400)\u3002<\/li>\n<li>2Byte - \u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba(bit)\u300216bit\u306a\u308916(0x1000)\u300124bit\u306a\u308924(0x1800)\u3002<\/li>\n<\/ul>\n<h4>3.data\u30c1\u30e3\u30f3\u30af<\/h4>\n<p>\u3053\u3053\u306b\u306fwave\u30d5\u30a1\u30a4\u30eb\u306e\u30e1\u30a4\u30f3\u306e\u97f3\u58f0\u30c7\u30fc\u30bf\u304c\u5165\u3063\u3066\u3044\u308b\u3002\u5148\u982d4Byte\u306b\u30c1\u30e3\u30f3\u30af\u8b58\u5225\u5b50\"data\"(0x64617461)\u3001\u7d9a\u304f4Byte\u306b\u3053\u308c\u4ee5\u964d\u306edata\u30c1\u30e3\u30f3\u30af\u306e\u30b5\u30a4\u30ba\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<p>\u3042\u3068\u306f\u3072\u305f\u3059\u3089\u97f3\u58f0\u30c7\u30fc\u30bf\u304c\u7d9a\u304f\u3002\u30b9\u30c6\u30ec\u30aa\u306e\u5834\u5408\u306f\uff11\u30b5\u30f3\u30d7\u30eb\u6642\u9593\u3054\u3068\u306bLRLRLR...\u306e\u9806\u306b\u683c\u7d0d\u3055\u308c\u308b\u3002<\/p>\n<p>\u7c21\u5358\u306b\u56f3\u306b\u3059\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u3067\u3042\u308b(\u3084\u3063\u3064\u3051)\u3002\u56db\u89d2\u306e\u4e2d\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3002<br \/>\n<img loading=\"lazy\" src=\"http:\/\/mell0w-5phere.net\/jaded5phere\/wp-content\/uploads\/2017\/07\/wav_fig-300x225.png\" alt=\"\" width=\"300\" height=\"225\" class=\"alignnone size-medium wp-image-116\" srcset=\"https:\/\/mell0w-5phere.net\/jaded5phere\/wp-content\/uploads\/2017\/07\/wav_fig-300x225.png 300w, https:\/\/mell0w-5phere.net\/jaded5phere\/wp-content\/uploads\/2017\/07\/wav_fig-768x576.png 768w, https:\/\/mell0w-5phere.net\/jaded5phere\/wp-content\/uploads\/2017\/07\/wav_fig.png 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\n<\/p>\n<hr>\n<p>\u3068\u3044\u3046\u308f\u3051\u3067\u3056\u3063\u3068wave\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u4e2d\u8eab\u306b\u3064\u3044\u3066\u66f8\u3044\u3066\u307f\u305f\u3002\u5358\u7d14\u306a\u3060\u3051\u3042\u3063\u3066\u308f\u304b\u308a\u3084\u3059\u3044\u306e\u306f\u826f\u3044\u304c\u3001\u304a\u304b\u3052\u3067\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u99ac\u9e7f\u306b\u306a\u3089\u306a\u3044\u3002\u307e\u3042\u97f3\u8cea\u3082\u826f\u3044\u304c...<\/p>\n<p>\u6b21\u56de\u306f\u5b9f\u969b\u306b\u97f3\u58f0\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3093\u3067\u6ce2\u5f62\u3092\u8868\u793a\u3057\u3066\u307f\u308b\u3002<\/p>\n<p>\u8584\u5b66\u306a\u306e\u3067\u8aa4\u308a\u7b49\u3042\u308c\u3070\u3054\u6307\u6458\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u97f3\u58f0\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u985e\u3068\u3057\u3066\u306fmp3\u306a\u3069\u3068\u4e26\u3093\u3067\u6709\u540d\u306awave(.wav)\u3060\u304c\u3001\u305d\u306e\u4e2d\u8eab\u3092\u898b\u3066\u307f\u3088\u3046\u3068\u601d\u3063\u305f\u306e\u3067\u66f8\u304f(\u5b9f\u969b\u306b\u77ed\u3044wav\u30d5\u30a1\u30a4\u30eb\u3092\u30d0\u30a4\u30ca\u30ea\u30a8\u30c7\u30a3\u30bf\u3067\u898b\u308b\u306a\u3069\u3059\u308b\u3068\u7406\u89e3\u306b\u826f\u3044\u304b\u3082\u3057\u308c\u306a\u3044)\u3002 \u203b\u57fa\u672c\u7684\u306b\u30d0\u30a4\u30c8\u30aa\u30fc<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[30],"_links":{"self":[{"href":"https:\/\/mell0w-5phere.net\/jaded5phere\/wp-json\/wp\/v2\/posts\/77"}],"collection":[{"href":"https:\/\/mell0w-5phere.net\/jaded5phere\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mell0w-5phere.net\/jaded5phere\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mell0w-5phere.net\/jaded5phere\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mell0w-5phere.net\/jaded5phere\/wp-json\/wp\/v2\/comments?post=77"}],"version-history":[{"count":2,"href":"https:\/\/mell0w-5phere.net\/jaded5phere\/wp-json\/wp\/v2\/posts\/77\/revisions"}],"predecessor-version":[{"id":160,"href":"https:\/\/mell0w-5phere.net\/jaded5phere\/wp-json\/wp\/v2\/posts\/77\/revisions\/160"}],"wp:attachment":[{"href":"https:\/\/mell0w-5phere.net\/jaded5phere\/wp-json\/wp\/v2\/media?parent=77"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mell0w-5phere.net\/jaded5phere\/wp-json\/wp\/v2\/categories?post=77"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mell0w-5phere.net\/jaded5phere\/wp-json\/wp\/v2\/tags?post=77"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}