USB AUDIO\u57fa\u677f\u304b\u3089DSD4ch\u9332\u97f3\u6a5f\u80fd\u3092\u7701\u304f\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u306e\u3067\u3001\u57fa\u677f\u4e0a\u306eFPGA\u5185\u306b\u7d50\u69cb\u5927\u304d\u304f\u69cb\u6210\u3055\u308c\u305f2ch\u5206\u306eDSD2PCM\u5909\u63db\u6a5f\u80fd\u304c\u4e0d\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u56de\u8def\u90e8\u5206\u3082\u524a\u9664\u3057\u305f\u7d50\u679c\u3001\u3042\u308b\u7a0b\u5ea6\u306e\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u898b\u8fbc\u307f\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
\u57fa\u677f\u306e\u4ed8\u52a0\u4fa1\u5024\u3092\u4e0b\u3052\u306a\u3044\u305f\u3081\u306b\u3082\u3001\u30ad\u30ef\u30e2\u30ce\u3068\u3044\u3046\u304b\u3001\u3067\u304d\u308b\u3060\u3051\u5c16\u304c\u3063\u305f\u6a5f\u80fd\u3092\u65b0\u305f\u306b\u5165\u308c\u3053\u3082\u3046\u3068\u8003\u3048\u305f\u306e\u3067\u3059\u304c\u3001\u3059\u3053\u3057\u3070\u304b\u308a\u4fdd\u5b88\u7684\u306a\u65b9\u5411\u306b\u50be\u3044\u3066\u3057\u307e\u3063\u305f\u611f\u304c\u5426\u3081\u307e\u305b\u3093\u3002<\/p>\n
\u7d50\u5c40\u3001\u72ec\u81eaBulk\u8ee2\u9001\u306b\u3088\u308b44.1kHz\u304b\u3089192kHz\u307e\u3067\u306eSTEREO wave\u30d5\u30a1\u30a4\u30eb\u9332\u518d\u30012.8MHz\u30685.6MHz\u306eSTEREO DSDIFF(DSD)\u30d5\u30a1\u30a4\u30eb\u9332\u518d\u3001\u3068\u3044\u3046\u6a5f\u80fd\u306b\u8ffd\u52a0\u3057\u3066\u3001\u6a19\u6e96\u306e\u300cUSB AUDIO Class 1.0\u300d\u306b\u6e96\u62e0\u3057\u305f\u30a2\u30a4\u30bd\u30af\u30ed\u30ca\u30b9\u8ee2\u9001\u3092\u4f7f\u3063\u3066\u300144.1kHz\u304b\u308996kHz\u307e\u3067\u306eSTEREO PCM\u30d5\u30a1\u30a4\u30eb\u306e\u518d\u751f\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002Quad speed\u518d\u751f\u306b\u306f\u300cBulk\u8ee2\u9001\u300d\u30e2\u30fc\u30c9\u3092\u304a\u4f7f\u3044\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u3044\u307e\u307e\u3067\u518d\u751f\u3067\u304d\u306a\u304b\u3063\u305f\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u518d\u751f\u3067\u304d\u308b\u3001\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u306a\u3044\u306e\u3067\u3001\u672c\u8cea\u7684\u306a\u6a5f\u80fd\u8ffd\u52a0\u3068\u306f\u3044\u3048\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u591a\u304f\u306e\u6a19\u6e96\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u3044\u308d\u3044\u308d\u306a\u610f\u5473\u3067\u5e45\u304c\u5e83\u304c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u624b\u5143\u306e2009\u5e74\u578bMacBook\u3067\u3082OS X\u4e0a\u3067USB DUAL AUDIO\u57fa\u677f\u306f\u4f7f\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3082\u3046\u3072\u3068\u3064\u3002\u5358\u306b\u6a19\u6e96\u306b\u3082\u6e96\u62e0\u3057\u305f\u3001\u3068\u3044\u3046\u3060\u3051\u3067\u306f\u3064\u307e\u3089\u306a\u3044\u306e\u3067\u3001\u305d\u3053\u306f\u5f53\u65b9\u6d41\u306b\u30a2\u30ec\u30f3\u30b8\u3057\u307e\u3057\u305f\u3002\u305d\u3082\u305d\u3082\u30aa\u30ea\u30b8\u30ca\u30eb\u306eBulk\u8ee2\u9001\u7248\u306fPC\u5074\u306e\u30af\u30ed\u30c3\u30af\u306e\u5f71\u97ff\u3092\u53d7\u3051\u305a\u306b\u3001\u300c\u57fa\u677f\u4e0a\u306e\u6c34\u6676\u767a\u632f\u7cbe\u5ea6\u3067\u518d\u751f\u3059\u308b\u300d\u3068\u3044\u3046\u306e\u304c\u7279\u5fb4\u3060\u3063\u305f\u308f\u3051\u3067\u3059\u306e\u3067\u3001\u305d\u306e\u7279\u5fb4\u306f\u30a2\u30a4\u30bd\u30af\u30ed\u30ca\u30b9\u8ee2\u9001\u6642\u306b\u3082\u304d\u3061\u3093\u3068\u53d7\u3051\u7d99\u3044\u3067\u3044\u307e\u3059\u3002<\/p>\n
\u73fe\u72b6\u3067\u306f\u3001\u51fa\u6765\u5408\u3044\u306e\u30c1\u30c3\u30d7\u3092\u4f7f\u3063\u3066(\u30d7\u30ed\u30b0\u30e9\u30e0\u305b\u305a\u306b)\u6a19\u6e96\u30aa\u30fc\u30c7\u30a3\u30aa\u30af\u30e9\u30b9\u3067\u3053\u306e\u3088\u3046\u306a\u6a5f\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3068\u8003\u3048\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n
\u672c\u57fa\u677f\u3067\u306f\u540c\u30581\u679a\u306e\u57fa\u677f\u4e0a\u3067\u5b9f\u73fe\u3055\u305b\u308b\u308f\u3051\u3067\u3059\u304b\u3089\u3001\u30a2\u30a4\u30bd\u30af\u30ed\u30ca\u30b9\u8ee2\u9001\u306e\u65b9\u3060\u3051PLL\u3092\u4f7f\u3063\u3066PC\u5074\u306e\u30af\u30ed\u30c3\u30af\u3068\u6b69\u8abf\u3092\u5408\u308f\u305b\u308b\u3001\u3068\u3044\u3046\u306e\u3067\u306f\u30cf\u30fc\u30c9(\u56de\u8def)\u7684\u306b\u3082\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u3001Bulk\u8ee2\u9001\u3068\u307e\u3063\u305f\u304f\u540c\u3058\u30c7\u30d0\u30a4\u30b9\u3092\u4f7f\u3063\u3066\u65b0\u3057\u3044\u6a5f\u80fd\u3092\u30a4\u30f3\u30d7\u30ea\u30e1\u30f3\u30c8\u3057\u307e\u3057\u305f\u3002<\/p>\n
Ayre\u793e\u306eQB-9\u3068\u3044\u3046\u6a5f\u7a2e\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u306e\u6a5f\u7a2e\u3068\u540c\u3058\u3088\u3046\u306bPC\u5074\u3092\u30d5\u30ed\u30fc\u5236\u5fa1\u203b\u3057\u3066USB\u57fa\u677f\u5074\u306e\u30af\u30ed\u30c3\u30af\u901f\u5ea6\u30fb\u4f4d\u76f8\u306b\u5408\u3046\u3088\u3046\u306bPC\u304b\u3089\u306e\u30c7\u30fc\u30bf\u91cf\u3092\u8abf\u7bc0\u3059\u308b\u65b9\u6cd5\u3067\u3001PC\u5074\u306e\u30af\u30ed\u30c3\u30af\u3068\u5b8c\u5168\u306b\u975e\u540c\u671f\u3067\u52d5\u4f5c\u3055\u305b\u3066\u3044\u307e\u3059(Asynchronous\u8ee2\u9001)\u3002<\/p>\n
\u3057\u305f\u304c\u3063\u3066\u3001Bulk\u8ee2\u9001\u30e2\u30fc\u30c9\u3068\u306f\u5b9f\u73fe\u65b9\u6cd5\u304c\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u3069\u3061\u3089\u306e\u30e2\u30fc\u30c9\u3082\u57fa\u677f\u4e0a\u306e\u6c34\u6676\u767a\u632f\u5668\u30ec\u30fc\u30c8\u3067\u52d5\u4f5c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002\u00a0<\/p>\n
\u3054\u8208\u5473\u306e\u3042\u308b\u65b9\u306f\u3053\u3061\u3089<\/a>\u306e\u30da\u30fc\u30b8\u306b\u8a73\u7d30\u3092\u8a18\u8f09\u3057\u307e\u3057\u305f\u306e\u3067\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\u00a0<\/p>\n \u203bUSB\u57fa\u677f\u3068PC\u306e\u30af\u30ed\u30c3\u30af\u306f\u5168\u304f\u7121\u95a2\u4fc2\u306b\u52d5\u3044\u3066\u3044\u307e\u3059\u306e\u3067\u3001PC\u304b\u3089\u3042\u308b\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u3067\u30c7\u30fc\u30bf\u304c\u9001\u3089\u308c\u3066\u304f\u308b\u5834\u5408\u3001USB\u57fa\u677f\u5074\u306f\u672c\u6765\u305d\u306e\u901f\u5ea6\u306b\u5408\u308f\u305b\u3066\u52d5\u4f5c\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002USB\u57fa\u677f\u5074\u304c\u81ea\u5206\u306e\u30af\u30ed\u30c3\u30af\u901f\u5ea6\u3067\u300c\u52dd\u624b\u306b\u300d\u52d5\u4f5c\u3057\u3066\u3044\u308c\u3070\u3001\u3044\u3064\u304b\u306f\u8fbb\u8904\u304c\u5408\u308f\u306a\u304f\u306a\u3063\u3066\u53d7\u4fe1\u30c7\u30fc\u30bf\u304c\u30d0\u30c3\u30d5\u30a1\u304b\u3089\u6ea2\u308c\u3066\u3057\u307e\u3063\u305f\u308a\u3001\u30d0\u30c3\u30d5\u30a1\u304c\u7a7a\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u3042\u308b\u4e00\u5b9a\u306e\u671f\u9593\u5185\u306b\u304a\u3051\u308bPC\u304b\u3089\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u91cf\u304cUSB\u57fa\u677f\u5074\u306e\u30af\u30ed\u30c3\u30af\u52d5\u4f5c\u901f\u5ea6\u306b\u898b\u5408\u3046\u3088\u3046\u306b\u3001USB\u57fa\u677f\u5074\u304b\u3089\u300c\u6b21\u304b\u3089\u3082\u3046\u5c11\u3057\u591a\u3081\u306b\u8ee2\u9001\u3057\u3066\u306d\u300d\u3068\u304b\u3001\u300c\u6b21\u304b\u3089\u3082\u3046\u5c11\u3057\u5c11\u306a\u76ee\u306b\u8ee2\u9001\u3057\u3066\u306d\u300d\u3068\u3044\u3063\u305f\u6307\u793a\u3092PC\u5074\u306b\u51fa\u3057\u3066\u3001\u30c8\u30fc\u30bf\u30eb\u3067\u306e\u8ee2\u9001\u91cf\u3092USB\u57fa\u677f\u5074\u306e\u30af\u30ed\u30c3\u30af\u901f\u5ea6\u306b\u5408\u3046\u3088\u3046\u306b\u8abf\u7bc0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" USB AUDIO\u57fa\u677f\u304b\u3089DSD4ch\u9332\u97f3\u6a5f\u80fd\u3092\u7701\u304f\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u306e\u3067\u3001\u57fa\u677f\u4e0a\u306eFPGA\u5185\u306b\u7d50\u69cb\u5927\u304d\u304f\u69cb\u6210\u3055\u308c\u305f2ch\u5206\u306eDSD2PCM\u5909\u63db\u6a5f\u80fd\u304c\u4e0d\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u56de\u8def\u90e8\u5206\u3082\u524a\u9664\u3057\u305f\u7d50\u679c\u3001\u3042\u308b\u7a0b\u5ea6\u306e\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c … “USB DUAL AUDIO\u57fa\u677f” \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":[4,5,9],"tags":[],"class_list":["post-238","post","type-post","status-publish","format-standard","hentry","category-usb_audio","category-information","category-distribution"],"_links":{"self":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/238","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=238"}],"version-history":[{"count":0,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/238\/revisions"}],"wp:attachment":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=238"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}