{"id":474,"date":"2012-08-22T13:35:11","date_gmt":"2012-08-22T04:35:11","guid":{"rendered":"http:\/\/soundengine.jp\/wordpress\/tips\/?p=474"},"modified":"2014-02-06T23:42:32","modified_gmt":"2014-02-06T14:42:32","slug":"%e9%9f%b3%e5%a3%b0%e3%83%bb%e5%8b%95%e7%94%bb%e5%a4%89%e6%8f%9b%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8bcbrvbrabr%e3%81%ae%e9%81%95%e3%81%84%e3%81%a8%e3%81%af","status":"publish","type":"post","link":"https:\/\/soundengine.jp\/wordpress\/tips\/try\/474\/","title":{"rendered":"\u97f3\u58f0\u30fb\u52d5\u753b\u5909\u63db\u306b\u304a\u3051\u308bCBR\/VBR\/ABR\u306e\u9055\u3044\u3068\u306f"},"content":{"rendered":"<p>\u5727\u7e2e\u3057\u305f\u52d5\u753b\u3084\u97f3\u58f0\u306a\u3069\u306e<strong>\u54c1\u8cea\u3092\u6c7a\u3081\u308b\u6307\u6a19\u3068\u3057\u3066\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8<\/strong>\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u3068\u306f\uff11\u79d2\u5f53\u305f\u308a\u306e\u30d3\u30c3\u30c8\u6570\u3067\u3042\u308a\u3001\u4e00\u822c\u306b\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u304c<strong>\u9ad8\u3044\u307b\u3069\u9ad8\u54c1\u8cea<\/strong>\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u305d\u306e\u5206\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306f\u5927\u304d\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u5727\u7e2e\u306e\u65b9\u6cd5\u306b\u306f\u5727\u7e2e\u306e\u969b\u306e\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u306e\u632f\u308b\u821e\u3044\u3067\u3001<strong>\u56fa\u5b9a\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8(Constant Bit rate, CBR)<\/strong>\u65b9\u5f0f\u3001<strong>\u53ef\u5909\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8(Variable Bit Rate, VBR)<\/strong>\u3001<strong>\u5e73\u5747\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u65b9\u5f0f(Averate Bit Rate, ABR)<\/strong>\u306b\u5206\u985e\u3059\u308b\u4e8b\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<h2 id=\"content_1_0\">\u56fa\u5b9a\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8(CBR)\u306e\u7279\u5fb4  <a class=\"anchor_super\" id=\"k62e141e\" href=\"http:\/\/soundengine.jp\/backend\/?services%2Ftips%2F2007-08-17#k62e141e\" title=\"k62e141e\"> <\/a><\/h2>\n<p><strong>\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u3092\u4e00\u5b9a<\/strong>\u306b\u3057\u3066\u5727\u7e2e\u3059\u308b\u65b9\u6cd5\u3092<strong>\u56fa\u5b9a\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8(Constant Bit rate, CBR)<\/strong>\u65b9\u5f0f\u3068\u8a00\u3044\u307e\u3059\u3002\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u304c\u56fa\u5b9a\u306a\u306e\u3067\u3001\u5727\u7e2e\u5f8c\u306e<strong>\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u4e88\u6e2c\u3059\u308b\u4e8b\u304c\u5bb9\u6613<\/strong>\u306a\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u518d\u751f\u4f4d\u7f6e\u306e\u30b7\u30fc\u30af\u3092\u9ad8\u901f\u306b<\/strong>\u884c\u3046\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u52d5\u753b\u3067\u306f\u52d5\u304d\u306e\u5c11\u306a\u3044\u5834\u9762\u3068\u591a\u3044\u5834\u9762\u3067<strong>\u54c1\u8cea\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3046<\/strong>\u306a\u3069\u306e\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u975e\u5727\u7e2e\u306eWAVE\u3084AIFF\u3082CBR\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u5229\u70b9\n<ul>\n<li>\u5727\u7e2e\u5f8c\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u4e88\u6e2c\u3059\u308b\u4e8b\u304c\u53ef\u80fd<\/li>\n<li>\u518d\u751f\u4f4d\u7f6e\u306e\u30b7\u30fc\u30af\u3092\u9ad8\u901f\u306b\u884c\u3046\u4e8b\u304c\u53ef\u80fd<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>\u6b20\u70b9\n<ul>\n<li>\u54c1\u8cea\u306b\u3070\u3089\u3064\u304d\u304c\u751f\u3058\u3084\u3059\u3044<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"jumpmenu\">\n<\/div>\n<h2 id=\"content_1_1\">\u53ef\u5909\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8(VBR)\u306e\u7279\u5fb4  <a class=\"anchor_super\" id=\"b0067937\" href=\"http:\/\/soundengine.jp\/backend\/?services%2Ftips%2F2007-08-17#b0067937\" title=\"b0067937\"> <\/a><\/h2>\n<p><strong>\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u3092\u5909\u52d5\u3055\u305b\u3066\u5727\u7e2e\u3059\u308b\u65b9\u6cd5\u3092\u53ef\u5909\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8(Variable Bit Rate, VBR)<\/strong>\u65b9\u5f0f\u3068\u8a00\u3044\u307e\u3059\u3002VBR\u65b9\u5f0f\u306f\u30c7\u30fc\u30bf\u306e\u5909\u52d5\u304c\u6fc0\u3057\u3044\u7b87\u6240\u306f\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u3092\u9ad8\u304f\u3001\u5909\u52d5\u304c\u7de9\u3084\u304b\u306a\u7b87\u6240\u3092\u4f4e\u304f\u3057\u3066\u5727\u7e2e\u3059\u308b\u306e\u3067\u3001\u5168\u4f53\u3067<strong>\u54c1\u8cea\u3092\u4e00\u5b9a\u306b\u4fdd\u3064<\/strong>\u4e8b\u304c\u3067\u304d\u3001CBR\u3068\u6bd4\u8f03\u3057\u3066<strong>\u9ad8\u54c1\u8cea\u3067\u5727\u7e2e\u3067\u304d\u308b<\/strong>\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u304c\u6642\u3005\u523b\u3005\u5909\u5316\u3059\u308b\u305f\u3081<strong>\u5727\u7e2e\u5f8c\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306f\u4e88\u6e2c\u3067\u304d\u307e\u305b\u3093<\/strong>\u3002\u307e\u305f\u3001CBR\u3088\u308a<strong>\u518d\u751f\u4f4d\u7f6e\u306e\u30b7\u30fc\u30af\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3057\u307e\u3044<\/strong>\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5229\u70b9\n<ul>\n<li>\u54c1\u8cea\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3057\u3084\u3059\u3044<\/li>\n<li>\u9ad8\u54c1\u8cea<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>\u6b20\u70b9\n<ul>\n<li>\u5727\u7e2e\u5f8c\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u4e88\u6e2c\u3059\u308b\u4e8b\u304c\u56f0\u96e3<\/li>\n<li>\u518d\u751f\u4f4d\u7f6e\u306e\u30b7\u30fc\u30af\u306b\u6642\u9593\u304c\u304b\u304b\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"jumpmenu\">\n<\/div>\n<h2 id=\"content_1_2\">\u5e73\u5747\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8(ABR)\u306e\u7279\u5fb4  <a class=\"anchor_super\" id=\"jbef67d7\" href=\"http:\/\/soundengine.jp\/backend\/?services%2Ftips%2F2007-08-17#jbef67d7\" title=\"jbef67d7\"> <\/a><\/h2>\n<p>\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u306f\u53ef\u5909\u306a\u3082\u306e\u306e\u3001<strong>\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u306e\u5e73\u5747\u5024\u3092\u4e00\u5b9a<\/strong>\u306b\u3057\u3066\u5727\u7e2e\u3059\u308b\u65b9\u6cd5\u3092<strong>\u5e73\u5747\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u65b9\u5f0f(Averate Bit Rate, ABR)<\/strong>\u3068\u8a00\u3044\u307e\u3059\u3002\u3053\u306e\u65b9\u5f0f\u3067\u306f\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u306f\u5909\u52d5\u3057\u307e\u3059\u304c\u3001\u30c7\u30fc\u30bf\u5168\u4f53\u3067\u306e\u5e73\u5747\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u304c\u4e00\u5b9a\u306b\u306a\u308b\u3088\u3046\u306b\u5727\u7e2e\u3059\u308b\u305f\u3081\u3001\u3042\u308b\u7a0b\u5ea6<strong>\u6700\u7d42\u7684\u306a\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u4e88\u6e2c\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059<\/strong>\u3002\u3053\u308c\u306b\u3088\u308a\u3001VBR\u306e\u3088\u3046\u306b\u54c1\u8cea\u3092\u4fdd\u3064\u4e8b\u304c\u3067\u304d\u308b\u4e0a\u3001CBR\u306e\u3088\u3046\u306b\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u4e88\u6e2c\u3059\u308b\u4e8b\u3082\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u5727\u7e2e\u524d\u306b\u6700\u4f4e\u4e00\u56de\u306f\u30c7\u30fc\u30bf\u3092\u30b9\u30ad\u30e3\u30f3\u3059\u308b\u5fc5\u8981\u304c\u6709\u308b\u305f\u3081<strong>\u4ed6\u306e\u65b9\u5f0f\u3088\u308a\u3082\u51e6\u7406\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059<\/strong>\u3002<\/p>\n<ul>\n<li>\u5229\u70b9\n<ul>\n<li>\u54c1\u8cea\u3092\u3042\u308b\u7a0b\u5ea6\u4fdd\u3064\u4e8b\u304c\u53ef\u80fd<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u6709\u308b\u7a0b\u5ea6\u4e88\u6e2c\u53ef\u80fd<\/li>\n<\/ul>\n<\/li>\n<li>\u6b20\u70b9\n<ul>\n<li>\u5727\u7e2e\u51e6\u7406\u306b\u6642\u9593\u304c\u304b\u304b\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"jumpmenu\">\n<\/div>\n<h2 id=\"content_1_3\">\u4e3b\u306a\u97f3\u58f0\u5727\u7e2e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u65b9\u5f0f  <a class=\"anchor_super\" id=\"maa75697\" href=\"http:\/\/soundengine.jp\/backend\/?services%2Ftips%2F2007-08-17#maa75697\" title=\"maa75697\"> <\/a><\/h2>\n<dl>\n<dt>MP3<\/dt>\n<dd>CBR, VBR<\/dd>\n<dt>WMA<\/dt>\n<dd>CBR, VBR<\/dd>\n<dt>AAC<\/dt>\n<dd>VBR, ABR<\/dd>\n<dt>Ogg Vorbis<\/dt>\n<dd>VBR, ABR<\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5727\u7e2e\u3057\u305f\u52d5\u753b\u3084\u97f3\u58f0\u306a\u3069\u306e\u54c1\u8cea\u3092\u6c7a\u3081\u308b\u6307\u6a19\u3068\u3057\u3066\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002 &hellip; <a href=\"https:\/\/soundengine.jp\/wordpress\/tips\/try\/474\/\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-474","post","type-post","status-publish","format-standard","hentry","category-try"],"_links":{"self":[{"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/posts\/474","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/comments?post=474"}],"version-history":[{"count":6,"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/posts\/474\/revisions"}],"predecessor-version":[{"id":3274,"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/posts\/474\/revisions\/3274"}],"wp:attachment":[{"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/media?parent=474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/categories?post=474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/tags?post=474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}