{"id":393,"date":"2013-05-31T18:24:36","date_gmt":"2013-05-31T09:24:36","guid":{"rendered":"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=393"},"modified":"2013-05-31T18:24:36","modified_gmt":"2013-05-31T09:24:36","slug":"uda2","status":"publish","type":"post","link":"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=393","title":{"rendered":"UDA2"},"content":{"rendered":"

UDA\u57fa\u677f\u306eFPGA, \u306a\u3089\u3073\u306b\u56de\u8def\u30fb\u30a2\u30fc\u30c8\u30ef\u30fc\u30af\u7b49\u306e\u5909\u66f4\u3092\u65bd\u3057\u3066”UDA2\u57fa\u677f”\u3068\u3057\u3066\u672c\u65e5\u518d\u30ea\u30ea\u30fc\u30b9\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n

\u3082\u3068\u3082\u3068\u306f\u3001UDA\u57fa\u677f(DoP)\u9332\u97f3\u7248\u306b\u304a\u3044\u3066\u3001\u56de\u8def\u306e\u5236\u7d04\u4e0a\u304b\u3089\u3084\u308a\u305f\u3044\u3053\u3068\u304c\u5b8c\u5168\u306b\u3067\u304d\u306a\u3044\u4ed5\u69d8\u3067\u3042\u3063\u305f\u305f\u3081\u306b\u3001\u3053\u308c\u3092\u4f55\u3068\u304b\u3057\u305f\u304b\u3063\u305f\u3068\u3044\u3046\u306e\u304c\u4e3b\u306a\u7406\u7531\u3067\u3059\u3002<\/p>\n

\u307b\u3068\u3093\u3069\u30cb\u30fc\u30ba\u306e\u306a\u3044\u9332\u97f3\u7248\u306e\u3053\u3068\u3086\u3048\u3001\u5b8c\u5168\u306b\uff1f\u500b\u4eba\u7684\u306a\u8da3\u5473\u3067\u4ed5\u69d8\u304c\u51fa\u6765\u4e0a\u304c\u3063\u3066\u3044\u307e\u3059\u304c\u3001UDA2\u57fa\u677f\u306e\u9332\u97f3\u7248\u3067\u306f\u3001\u00a0UDA(DoP)\u9332\u97f3\u7248\u304b\u3089\u306e\u8ffd\u52a0\u30fb\u5909\u66f4\u70b9\u3068\u3057\u3066<\/p>\n

    \n
  1. DSD2.8\/DSD5.6\u306e2ch\/4ch \u306b\u304a\u3051\u308bSDIF-3\/DSDRAW\u63a5\u7d9a\u306b\u3088\u308b\u9332\u97f3(\u30d0\u30eb\u30af\u8ee2\u9001)<\/li>\n
  2. DSD11.3\u306e2ch\/4ch\u203b \u306b\u304a\u3051\u308bDSDRAW\u63a5\u7d9a\u306b\u3088\u308b\u9332\u97f3(\u30d0\u30eb\u30af\u8ee2\u9001)<\/li>\n
  3. SDIF-2\u63a5\u7d9a\u306b\u3088\u308b24bit\/384kHz 2chPCM\u306e\u9332\u97f3(\u30d0\u30eb\u30af\u8ee2\u9001)<\/li>\n
  4. \u518d\u751f\u6642\u306b\u306f\u30b9\u30ec\u30fc\u30d6\u30c7\u30d0\u30a4\u30b9\u3068\u3057\u3066\u3001\u5165\u529b\u3059\u308b\u30ef\u30fc\u30c9\u30af\u30ed\u30c3\u30af\u306b\u304d\u3061\u3093\u3068\u540c\u671f\u3059\u308b\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u3068\u3057\u3066\u52d5\u4f5c(\u30d0\u30eb\u30af\u8ee2\u9001)<\/li>\n
  5. DSD2.8\/5.6 \u3067\u306e4ch\u518d\u751f(DSDIFF\u30d5\u30a1\u30a4\u30eb\/\u30d0\u30eb\u30af\u8ee2\u9001)<\/li>\n<\/ol>\n

    \u203bUSB\u901f\u5ea6\u7684\u306b\u5927\u4e08\u592b\u306a\u5834\u5408<\/p>\n

    \u00a0\u3068\u3044\u3063\u305f\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u3092\u4e88\u5b9a\u3057\u3066\u304a\u308a\u307e\u3059(UDA2<\/span>\u518d\u751f\u5c02\u7528\u7248\u306b\u306f\u4e0a\u8a18\u6a5f\u80fd\u306f\u542b\u307e\u308c\u307e\u305b\u3093<\/span>)\u3002<\/p>\n

    \u524d\u56de\u306e\u8a18\u4e8b\u306b\u66f8\u304d\u307e\u3057\u305f\u304c\u3001ARDAtech\u306eAT1201\u3068\u3044\u3046 DSD11.3(MHz)\/24bit-384kHz\u5bfe\u5fdc\u306eA\/D\u30b3\u30f3\u30d0\u30fc\u30bfIC\u3092\u642d\u8f09\u3059\u308bA\/D\u5909\u63db\u30dc\u30fc\u30c9\u3092\u958b\u767a\u4e2d\u3067\u3001\u307e\u305a\u306f\u3001\u305d\u306e\u57fa\u677f\u306e\u5410\u304d\u51fa\u3059\u30c7\u30fc\u30bf\u3092PC\u3078\u53d6\u308a\u8fbc\u3081\u308b\u3088\u3046\u306b\u3057\u305f\u3044\u3068\u3044\u3046\u306e\u304c\u7b2c\u4e00\u7fa9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

    \u00a0\u4e0a\u306e4.\u306b\u95a2\u3057\u3066\u306f\u3001\u73fe\u884c\u306e(DoP)\u9332\u97f3\u7248\u3067\u3082\u30d0\u30eb\u30af\u8ee2\u9001\u3067\u30ef\u30fc\u30c9\u30af\u30ed\u30c3\u30af\u3092\u5165\u529b\u3067\u304d\u307e\u3059\u304c\u3001\u5165\u529b\u3059\u308b\u30ef\u30fc\u30c9\u30af\u30ed\u30c3\u30af\u306e\u30a8\u30c3\u30b8\u3068\u3001\u51fa\u529b\u3059\u308b\u30c7\u30fc\u30bf\u306e\u958b\u59cb\u70b9\u304c\u53b3\u5bc6\u306b\u7ba1\u7406\u3067\u304d\u306a\u3044\u306e\u3067\u3001DAC\u5074\u304b\u3089\u30ef\u30fc\u30c9\u30af\u30ed\u30c3\u30af\u3092\u3082\u3089\u3063\u3066\u30c7\u30fc\u30bf\u3092\u51fa\u529b\u3057\u3001DAC\u5074\u306b\u3066\u5185\u90e8\u30af\u30ed\u30c3\u30af\u3067D\/A\u5909\u63db\u3059\u308b\u3068\u3044\u3046\u52d5\u4f5c\u306f\u304d\u3061\u3093\u3068\u4fdd\u8a3c\u3055\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n

    UDA2\u57fa\u677f\u306e\u9332\u97f3\u7248\u3067\u306f\u3001\u5165\u529b\u3059\u308b\u30ef\u30fc\u30c9\u30af\u30ed\u30c3\u30af\u306e\u7acb\u3061\u4e0a\u304c\u308a\u30a8\u30c3\u30b8\u306bS\/PDIF\u306eX(Z)\u30d7\u30ea\u30a2\u30f3\u30d6\u30eb\u306e\u958b\u59cb\u70b9\u3092\u5408\u308f\u305b\u3066\u51fa\u529b\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002DSD\u51fa\u529b\u306b\u95a2\u3057\u3066\u3082\u30ef\u30fc\u30c9\u30af\u30ed\u30c3\u30af\u306e\u30a8\u30c3\u30b8\u3068\u51fa\u529b\u3059\u308b\u30c7\u30fc\u30bf\u306e\u30a8\u30c3\u30b8\u3092\u7ba1\u7406\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u304a\u6c17\u306b\u5165\u308a\u306e\u30af\u30ed\u30c3\u30af\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u304b\u3089UDA2\u3068DAC\u306b\u540c\u3058\u30af\u30ed\u30c3\u30af\u3092\u5165\u308c\u3066\u30b7\u30f3\u30af\u3055\u305b\u308b\u3001\u3068\u3044\u3046\u3053\u3068\u3082\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u30cf\u30ba\u3067\u3059(\u7e4b\u3050\u6a5f\u5668\u306b\u3088\u308a\u76f8\u6027\u306e\u3042\u308b\u5834\u5408\u304c\u3042\u308b\u3001\u3068\u3044\u3046\u554f\u984c\u306f\u6b8b\u308a\u5f97\u307e\u3059\u304c\u30fb\u30fb\u30fb)\u3002<\/p>\n

    \u3055\u3066\u3001UDA2\u518d\u751f\u5c02\u7528\u7248\u57fa\u677f\u3067\u306f\u3001UDA2\u9332\u97f3\u7248\u57fa\u677f\u3068\u6574\u5408\u6027\u3092\u6301\u305f\u305b\u308b\u305f\u3081\u306a\u3069\u3001\u4eca\u307e\u3067\u306eUDA(DoP)\u9332\u97f3\u7121\u3057\u7248\u57fa\u677f\u306b\u5bfe\u3057\u3066\u3001\u4e0b\u8a18\u306b\u793a\u3059\u3088\u3046\u306b\u591a\u5c11\u306e\u4ed5\u69d8\u5909\u66f4\u304c\u5165\u308a\u307e\u3059\u3002<\/p>\n

      \n
    1. UAC2(USB Audio class2.0)\u306b\u304a\u3044\u306624bit-352.8\/384kHz\u518d\u751f\u3092\u8ffd\u52a0(Foobar2k\u3084Audivana+\u3067\u78ba\u8a8d)\u00a0<\/li>\n
    2. Bulk\u8ee2\u9001\u3068\u5c02\u7528\u30a2\u30d7\u30ea(\u65e7\u540d\u79f0PlayAudio)\u306b\u3066352.8\/384kHz\/DSD22.6MHz\u518d\u751f\u306e\u8ffd\u52a0<\/li>\n
    3. DSD5.6\u518d\u751f\u6642\u306ePCM\u5909\u63db\u51fa\u529b(S\/PDIF)\u309288.2kHz\u304b\u3089176.4kHz\u306b\u5909\u66f4(DSD->PCM\u5909\u63db\u306e\u6027\u80fd\u3092\u5c11\u3057up), \u306a\u304a\u3001PCM352.8kHz, \u306a\u3089\u3073\u306bDSD11.3\u4ee5\u4e0a\u306e\u5834\u5408\u306b\u306fS\/PDIF\u51fa\u529b\u306f\u3057\u307e\u305b\u3093\u3002<\/li>\n
    4. DSD2.8\/5.6 \u3067\u306e4ch\u518d\u751f(DSDIFF\u30d5\u30a1\u30a4\u30eb\/\u30d0\u30eb\u30af\u8ee2\u9001)\u306e\u8ffd\u52a0<\/li>\n
    5. \u30ec\u30d9\u30eb\u30e1\u30fc\u30bf\u6a5f\u80fd\u306e\u524a\u9664<\/li>\n<\/ol>\n

      DSD\u306e4ch\u518d\u751f\u306b\u95a2\u3057\u3066\u306f\u3001\u4e0a\u8a18ARDAtech\u306eA\/D\u30c1\u30c3\u30d7\u642d\u8f09\u57fa\u677f\u3060\u3051\u3067\u306f\u306a\u304f<\/span>(\u3059\u307f\u307e\u305b\u3093ARDA\u30c1\u30c3\u30d7\u306eA\/D\u57fa\u677f\u306f2ch\u3067\u3059)<\/span>\u3001PCM4204\u30c1\u30c3\u30d7\u642d\u8f09\u306e\u65e7USB\u57fa\u677f\u3067\u9332\u97f3\u3055\u308c\u305fDSDIFF\u306e4ch\u30d5\u30a1\u30a4\u30eb\u3092\u518d\u751f\u3059\u308b\u3053\u3068\u3092\u524d\u63d0\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u9332\u97f3\u7248\u3068\u540c\u69d8\u306b\u30014ch\u5206\u306e\u51fa\u529b\u7aef\u5b50\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u518d\u751f\u30b7\u30b9\u30c6\u30e0\u304cSTEREO-2ch\u5206\u3057\u304b\u5bfe\u5fdc\u3067\u304d\u306a\u3044\u5834\u5408\u3067\u3082\u3001\u30a2\u30d7\u30ea\u30673\/4ch\u30921\/2ch\u306b\u51fa\u529b\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n

      \u3061\u306a\u307f\u306b\u3001\u57fa\u677f\u30b5\u30a4\u30ba\u3068\u7a74\u4f4d\u7f6e\u306fUDA\u57fa\u677f\u3068\u540c\u4e00\u3067\u3059\u3002\u518d\u751f\u5c02\u7528\u7248\u306e\u4fa1\u683c\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u304c\u3001\u9332\u97f3\u7248\u306e\u4fa1\u683c\u306f\u6539\u5b9a\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059(UDA2\u57fa\u677f\u306e\u307f\u306726,000\u7a0b\u5ea6\u304b\u305d\u308c\u4ee5\u4e0a\u3001\u30af\u30ed\u30c3\u30af, 4ch\u4fe1\u53f7BNC\u5165\u529b\u30d8\u30c3\u30c0\u57fa\u677f\u304c10,000\u7a0b\u5ea6\u3092\u4e88\u5b9a\u3057\u3066\u3044\u307e\u3059)\u3002\u9332\u97f3\u7248\u306b\u3064\u3044\u3066\u306f\u30ea\u30ea\u30fc\u30b9\u306f2\u304b\u6708\u7a0b\u5ea6\u5148\u306b\u306a\u308b\u898b\u8fbc\u307f\u3067\u3059<\/span>\u3002<\/p>\n

      \"\"<\/p>\n

      UDA2\u518d\u751f\u5c02\u7528\u57fa\u677f\u306f\u9031\u660e\u3051\u304b\u3089\u767a\u9001\u53ef\u80fd\u3067\u3059\u304c\u3001\u4e0a\u8a182, 4\u306e\u6a5f\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u30d0\u30eb\u30af\u8ee2\u9001\u5c02\u7528\u30a2\u30d7\u30ea\u306e\u6e96\u5099\u306b\u306f\u5c11\u3057\u6642\u9593(\u9045\u304f\u30662\u304b\u6708\u7a0b\u5ea6)\u304c\u304b\u304b\u308b\u898b\u8fbc\u307f\u3067\u3059\u3002\u305d\u306e\u70b9\u306f\u4f55\u5352\u3054\u4e86\u627f\u3092\u304a\u9858\u3044\u3057\u307e\u3059<\/span>(\u57fa\u677f\u81ea\u4f53\u306b\u306f\u6a5f\u80fd\u3092\u7d44\u307f\u8fbc\u3093\u3067\u3042\u308a\u307e\u3059)\u3002<\/p>\n

      PlayAudio for UDA2\u00a0Ver1.60\u3068\u3057\u3066\u6a5f\u80fd\u3092\u5b9f\u88c5\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u65b0\u3057\u304f\u3057\u3066\u304a\u304d\u307e\u3057\u305f(6\/8\u591c)\u3002<\/span><\/p>\n

      UDA2\u518d\u751f\u5c02\u7528\u57fa\u677f\u306e\u30da\u30fc\u30b8<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

      UDA\u57fa\u677f\u306eFPGA, \u306a\u3089\u3073\u306b\u56de\u8def\u30fb\u30a2\u30fc\u30c8\u30ef\u30fc\u30af\u7b49\u306e\u5909\u66f4\u3092\u65bd\u3057\u3066”UDA2\u57fa\u677f”\u3068\u3057\u3066\u672c\u65e5\u518d\u30ea\u30ea\u30fc\u30b9\u3044\u305f\u3057\u307e\u3059\u3002 \u3082\u3068\u3082\u3068\u306f\u3001UDA\u57fa\u677f(DoP)\u9332\u97f3\u7248\u306b\u304a\u3044\u3066\u3001\u56de\u8def\u306e\u5236\u7d04\u4e0a\u304b\u3089\u3084\u308a\u305f\u3044\u3053\u3068\u304c\u5b8c … “UDA2” \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],"tags":[],"class_list":["post-393","post","type-post","status-publish","format-standard","hentry","category-usb_audio"],"_links":{"self":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/393","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=393"}],"version-history":[{"count":0,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/393\/revisions"}],"wp:attachment":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=393"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}