{"id":377,"date":"2013-01-10T19:53:07","date_gmt":"2013-01-10T10:53:07","guid":{"rendered":"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=377"},"modified":"2013-01-10T19:53:07","modified_gmt":"2013-01-10T10:53:07","slug":"1bit-%e3%83%87%e3%83%ab%e3%82%bf%e3%82%b7%e3%82%b0%e3%83%9e%e5%a4%89%e8%aa%bf%e5%99%a8%e3%81%ae%e3%83%90%e3%83%aa%e3%82%a8%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3","status":"publish","type":"post","link":"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=377","title":{"rendered":"1bit \u30c7\u30eb\u30bf\u30b7\u30b0\u30de\u5909\u8abf\u5668\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3"},"content":{"rendered":"

\u4eca\u5e74\u306e\u6b63\u6708\u4f11\u307f\u306b\u306f1bit\u30c7\u30eb\u30bf\u30b7\u30b0\u30de\u5909\u8abf\u5668\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u3055\u3089\u306b\u3044\u304f\u3064\u304b\u8a2d\u8a08\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n

\"\"<\/p>\n

\u30c1\u30e3\u30fc\u30c8\u306e\u3088\u3046\u306b\u30010Hz(DC)\u4ee5\u5916\u306b3\u7b87\u6240 ( \u898b\u3048\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306b\u306f\u6b63\u8ca0\u5bfe\u79f0\u30676\u7b87\u6240 ) \u306e\u96f6\u70b9\u3092\u8a2d\u3051\u305f\u3082\u306e\u306a\u3069\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u305f\u3002\u4f8b\u306b\u3088\u3063\u3066\u3001\u30aa\u30fc\u30d0\u30fc\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u6bd4\u3092 64 \u3068\u3057\u3066\u8a2d\u8a08\u3057\u3001\u3053\u308c\u3092256 ( PCM\u30b7\u30f3\u30b0\u30eb\u30b9\u30d4\u30fc\u30c9\u63db\u7b97 ) \u306ex4\u30aa\u30fc\u30d0\u30fc\u30af\u30ed\u30c3\u30af\u7684\u306a\u30a4\u30e1\u30fc\u30b8\u3067\u4f7f\u7528\u3057\u307e\u3059\u306e\u3067 \u3001\u30bc\u30ed\u70b9\u306e\u5468\u6ce2\u6570\u306f\u305d\u308c\u305e\u308c\u5143\u306e4\u500d\u306e\u5024\u306b\u62e1\u5f35\u3055\u308c\u305f\u4f4d\u7f6e\u3068\u306a\u308a\u307e\u3059\u3002\u3082\u3068\u3082\u3068\u306e\u8a2d\u8a08\u4ed5\u69d8\u4e0a\u306f\u4e00\u756a\u4e0a\u306e\u5468\u6ce2\u6570\u3067\u304a\u3088\u305d24kHz\u304f\u3089\u3044\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3086\u3048\u306b\u30c1\u30e3\u30fc\u30c8\u4e0a\u3067\u306f96kHz\u304f\u3089\u3044\u306b\u306a\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n

\u3061\u306a\u307f\u306b\u3001\u4e0a\u306e\u30c1\u30e3\u30fc\u30c8\u306f\u30d5\u30eb\u30b9\u30b1\u30fc\u30eb\u306e1kHz\u306e\u6b63\u5f26\u6ce2\u3092\u5165\u308c\u305f\u5834\u5408\u3092\u793a\u3057\u307e\u3059\u3002\u53f3\u7aef\u304c 5.6448MHz<\/span> \u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3054\u3081\u3093\u306a\u3055\u3044\u3002\u672c\u8a18\u4e8b\u306e\u30c7\u30fc\u30bf\u306f\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570fs=48kHz\u63db\u7b97\u3067\u306e\u7d50\u679c\u306a\u306e\u30676.144MHz\u306b\u8a02\u6b63\u3057\u307e\u3059(1\/17)\u3002<\/span><\/p>\n

\u3064\u3044\u3067\u306b\u3001400Hz\/1kHz\/3kHz\/6kHz\/12kHz\/21kHz \u305d\u308c\u305e\u308c\u7d04-120dBFS \u306e24bitPCM\u6b63\u5f26\u6ce2\u30de\u30eb\u30c1\u30c8\u30fc\u30f3\u3092\u5165\u308c\u3066\u5909\u63db\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u6975\u5fae\u5c0f\u4fe1\u53f7\u3067\u3082\u30c7\u30b8\u30bf\u30eb\u30c9\u30e1\u30a4\u30f3\u3067\u306f\u304d\u308c\u3044\u306b\u518d\u73fe\u3067\u304d\u3066\u3044\u308b\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n

\"\"<\/p>\n

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\u4eca\u5e74\u306e\u6b63\u6708\u4f11\u307f\u306b\u306f1bit\u30c7\u30eb\u30bf\u30b7\u30b0\u30de\u5909\u8abf\u5668\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u3055\u3089\u306b\u3044\u304f\u3064\u304b\u8a2d\u8a08\u3057\u3066\u3044\u307e\u3057\u305f\u3002 \u30c1\u30e3\u30fc\u30c8\u306e\u3088\u3046\u306b\u30010Hz(DC)\u4ee5\u5916\u306b3\u7b87\u6240 ( \u898b\u3048\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306b\u306f\u6b63\u8ca0\u5bfe\u79f0\u30676\u7b87\u6240 ) \u306e\u96f6\u70b9\u3092\u8a2d\u3051\u305f\u3082\u306e\u306a\u3069\u3092\u4f5c\u3063\u3066 … “1bit \u30c7\u30eb\u30bf\u30b7\u30b0\u30de\u5909\u8abf\u5668\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-377","post","type-post","status-publish","format-standard","hentry","category-hardware-debug"],"_links":{"self":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/377","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=377"}],"version-history":[{"count":0,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/377\/revisions"}],"wp:attachment":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=377"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=377"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}