{"id":7687,"date":"2019-04-16T22:40:00","date_gmt":"2019-04-16T13:40:00","guid":{"rendered":"https:\/\/y2tech.net\/blog\/?p=7687"},"modified":"2025-12-02T17:00:15","modified_gmt":"2025-12-02T08:00:15","slug":"trying-multi-channel-playback-with-lightmpd-botic","status":"publish","type":"post","link":"https:\/\/y2tech.net\/blog\/audio\/digital-audio\/trying-multi-channel-playback-with-lightmpd-botic-7687\/","title":{"rendered":"LightMPD-Botic\u3067\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u518d\u751f\u3092\u8a66\u307f\u308b"},"content":{"rendered":"

PCM\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u518d\u751f\u3092LightMPD-Botic\u4e0a\u3067\u5b9f\u73fe\u3059\u308b\u306b\u306f<\/h3>\r\n
\r\n
\r\n\"Multi-channel \r\n
\r\nBBB Botic\u7528Cape\u306e\u4e0a\u306b\u30a2\u30c9\u30aa\u30f3\u30ab\u30fc\u30c9\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u5316\u3059\u308b<\/span>\r\n
\r\n
\r\n\"Digital\r\n
\r\nDAC\u30c6\u30b9\u30c8\u30d9\u30c3\u30c9\u4e0a\u3067\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u518d\u751f\u3092\u30c6\u30b9\u30c8\u3057\u3066\u3044\u308b\u69d8\u5b50<\/span>\r\n
\r\n
\r\n\"DC \r\n
\r\n\u30c6\u30b9\u30c8\u30d9\u30c3\u30c9\u7528\u4f4e\u96d1\u97f3\uff06\u4f4e\u51fa\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u96fb\u6e90\u30e6\u30cb\u30c3\u30c8\uff06\u304a\u6c17\u697dPowerI\/V\u57fa\u677f\uff08\u6539\u9020\u7248\uff09<\/span>\r\n
\r\n
\r\n\"DIY\r\n
\r\n\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u540c\u6642\u518d\u751f\u30c6\u30b9\u30c8\u4e2d\u306e\u30d0\u30d9\u30eb\u306e\u5854\u3068\u5316\u3057\u305f\u30c6\u30b9\u30c8\u30d9\u30c3\u30c9<\/span>\r\n
\r\n<\/div>\r\n
\r\n

BeagleBone\u4e0a\u306eLightMPD-Botic\u306b\u3088\u308b\u30c0\u30a4\u30ec\u30af\u30c8I2S\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u518d\u751f\u74b0\u5883\u304c\u6211\u304c\u5bb6\u306e\u30e1\u30a4\u30f3\u30c7\u30b8\u30bf\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30a4\u30e4\u30fc\u306a\u306e\u3060\u304c\u3001\u8ee2\u8077\u306e\u7aef\u5883\u671f\u306b\u3061\u3087\u3063\u3068\u3057\u305f\u6687\u304c\u3067\u304d\u305f\u306e\u3067\u3001BeagleBone\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7Cape\u30dc\u30fc\u30c9\u3092\u30b9\u30bf\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u5316\u304c\u7c21\u5358\u306b\u3067\u304d\u308b\u30a2\u30c9\u30aa\u30f3\u30ab\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u3066\u307f\u305f\uff0e<\/p>\r\n
\r\n

\u6700\u8fd1\u306f\u30a2\u30ca\u30ed\u30b0\u30ec\u30b3\u30fc\u30c9\u3092\u4e2d\u5fc3\u3068\u3057\u305f\u30aa\u30fc\u30c7\u30a3\u30aa\u304c\u4e3b\u4f53\u3068\u306a\u3063\u3066\u3057\u307e\u3063\u305f\uff08\u623b\u3063\u3066\u3057\u307e\u3063\u305f\u3068\u8a00\u3063\u305f\u65b9\u304c\u6b63\u89e3\u3060\u308d\u3046\u304b\uff09\u306e\u3067\u3001\u30c7\u30b8\u30bf\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u306e\u9ad8\u97f3\u8cea\u5316\u306b\u95a2\u3059\u308b\u95a2\u5fc3\u3088\u308a\u304b\u306f\u30c7\u30b8\u30bf\u30eb\u306e\u6069\u6075\u3092\u4eab\u53d7\u3067\u304d\u308b\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u518d\u751f\u306b\u8208\u5473\u304c\u79fb\u3063\u3066\u3044\u308b\uff0e2L\u30ec\u30fc\u30d9\u30eb\u306a\u3069\u304b\u3089\u30c6\u30b9\u30c8\u7528\u306e\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u97f3\u6e90\u304c\u7c21\u5358\u306b\u5165\u624b\u3067\u304d\u308b\u4e8b\u3082\u3042\u308a\u3001\u4eca\u56de\u9ad8\u97f3\u8cea\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u518d\u751f\u306b\u6311\u6226\u3057\u3066\u307f\u305f\u3068\u3044\u3046\u6b21\u7b2c\u3060\uff0e<\/p>\r\n
\r\n

\u4eca\u56de\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u518d\u751f\u3092\u884c\u3046\u305f\u3081\u306e\u57fa\u672c\u65b9\u91dd\u3068\u3057\u3066\u3001\u65b0\u305f\u306bBeagleBone\u7528\u306e\u57fa\u76e4\u3092\u4f5c\u6210\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u3053\u308c\u307e\u3067\u306b\u4f5c\u6210\u3057\u305f\u57fa\u76e4\u306b\u3061\u3087\u3063\u3068\u3060\u3051\u624b\u3092\u52a0\u3048\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u7c21\u5358\u306b\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u5316\u3092\u884c\u3046\u3053\u3068\u3092\u76ee\u6307\u3059\u3053\u3068\u3068\u3059\u308b\uff0eESS\u306eES9016\/ES9018\u30b7\u30ea\u30fc\u30ba\u3084ES9038Pro\u306a\u3069\u306e\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u5bfe\u5fdcDAC\u3092\u7528\u610f\u3059\u308b\u4e8b\u3092\u8003\u3048\u305f\u304c\u3001\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u5316\u53ef\u80fd\u306a\u81ea\u4f5c\u7cfbDAC\u30dc\u30fc\u30c9\u306f\u6b86\u3069\u51fa\u56de\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u4e00\u304b\u3089\u81ea\u4f5c\u3059\u308b\u3057\u304b\u306a\u3055\u305d\u3046\u306a\u306e\u3067\u3001\u3068\u308a\u3042\u3048\u305a\u4eca\u56de\u306f\u65e2\u5b58\u306e2\u30c1\u30e3\u30f3\u30cd\u30ebDAC\u57fa\u677f\u3092\u8907\u6570\u7528\u610f\u3059\u308b\u3053\u3068\u3067\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u306b\u3059\u308b\uff0e<\/p>\r\n
\r\n

\u3053\u306e2chDAC\u57fa\u677f\u3092\u8ffd\u52a0\u3057\u3066\u884c\u304f\u3053\u3068\u3067\u7c21\u5358\u306b\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u5316\u304c\u3067\u304d\u308b\u3060\u308d\u3046\u3068\u3044\u3046\u898b\u8fbc\u307f\u306e\u57fa\u306b\u30a2\u30c9\u30aa\u30f3\u57fa\u677f\u306e\u958b\u767a\u3092\u59cb\u3081\u305f\u306e\u3060\u304c\u3001BeagleBone\u306eBotic\u30c9\u30e9\u30a4\u30d0\u3067\u306eI2S\u30c0\u30a4\u30ec\u30af\u30c8\u518d\u751f\u3067\u306f\u4e00\u7b4b\u7e04\u3067\u306f\u884c\u304b\u306a\u3044\u3053\u3068\u306b\u306a\u308b\u3068\u306f\u3053\u306e\u6642\u70b9\u3067\u306f\u60f3\u50cf\u3059\u3089\u3057\u3066\u3044\u306a\u304b\u3063\u305f\uff0e\u5358\u7d14\u306b\u3001
\r\n
\r\n\u3000\u3000\u30e1\u30a4\u30f3\u57fa\u677f\u5074DAC DAC#0\uff08Front R&L\uff09\u51fa\u529b
\r\n\u3000\u3000\u3000\u21d2\u3000\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6#0(mcasp0_axp0)\u304c\u62c5\u5f53
\r\n
\r\n\u3000\u3000\u30a2\u30c9\u30aa\u30f3\u57fa\u677f\u5074DAC DAC#1\uff08Rear R&L\uff09\u51fa\u529b
\r\n \u3000\u3000\u21d2\u3000\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6#1(mcasp0_axp1)\u304c\u62c5\u5f53
\r\n
\r\n\u3000\u3000\u30a2\u30c9\u30aa\u30f3\u57fa\u677f\u5074DAC DAC#2\uff08Front Center & Bass\uff09\u51fa\u529b
\r\n\u3000\u3000\u3000\u21d2\u3000\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6#2(mcasp0_axp2)\u304c\u62c5\u5f53
\r\n
\r\n\u3000\u3000\u30a2\u30c9\u30aa\u30f3\u57fa\u677f\u5074DAC DAC#3\uff08PCM ch.#7& #8\uff09\u51fa\u529b
\r\n \u3000\u21d2\u3000\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6#3(mcasp0_axp3)\u304c\u62c5\u5f53
\r\n
\r\n\u306e\u3088\u3046\u306a\u611f\u3058\u306e\u30c1\u30e3\u30cd\u30eb\u69cb\u6210\u3060\u308d\u3046\u3068\u52dd\u624b\u306b\u601d\u3044\u8fbc\u3093\u3067\u3044\u305f\uff0e<\/p>\r\n
\r\n

\u3053\u306e\u5f8c\u306e\u201d\u5b9f\u9a13\u541b\u201d\u30b3\u30fc\u30ca\uff1d\u3067\u7d50\u679c\u3092\u793a\u3059\u304c\u3001\u5b9f\u306f\u3053\u306e\u601d\u3044\u8fbc\u307f\u304c\u5b9f\u969b\u306b\u306f\u5168\u304f\u898b\u5f53\u5916\u308c\u3067\u3042\u3063\u305f\u3053\u3068\u304c\u5224\u660e\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u306e\u3060\u304c\uff0e\uff0e\uff0e<\/p>\r\n
\r\n

\u30e1\u30a4\u30f3\u57fa\u677f<\/h4>\r\n
\r\n
\r\n\"The \r\n
\r\n8\u56de\u8def\u30d0\u30c3\u30d5\u30a1(74HC541)\u3068\u30b9\u30bf\u30c3\u30af\u7528\u4fe1\u53f7\u30d8\u30c3\u30c0\u30d4\u30f3\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b<\/span>\r\n
\r\n<\/div>\r\n
\r\n

1\u679a\u76ee\u306e\u57fa\u76e4\u306f\u3053\u308c\u307e\u3067\u3068\u540c\u69d8\u306b\u3001Botic\u30c9\u30e9\u30a4\u30d0\u30fc\u306b\u3088\u308bI2S\u51fa\u529b\u5316\u3057\u305f\u3060\u3051\u306e\u57fa\u76e4\u3067\u524d\u56de\u4f5c\u6210\u3057\u305f\u7269\u3068\u307b\u307c\u540c\u3058\u7269\u3060\uff0e\u3053\u306e\u30e1\u30a4\u30f3\u57fa\u76e4\u3060\u3051\u3067\u30e1\u30a4\u30f3\u306e\u30b9\u30c6\u30ec\u30aa\u518d\u751f\u74b0\u5883\uff08PCM\/DSD\u30cd\u30a4\u30c6\u30a3\u30d6\uff09\u304c\u5f97\u3089\u308c\u308b\uff0e\u4f46\u3057\u3001Botic\u3067\u51fa\u529b\u53ef\u80fd\u306a4\u7cfb\u7d71\u306e\u30b7\u30ea\u30a2\u30eb\u4fe1\u53f7\u51fa\u529b\u3068MCK,LRCK,BCK\u306e\u5408\u8a088\u3064\u306e\u4fe1\u53f7\u30922\u679a\u76ee\u306e\u30b9\u30bf\u30c3\u30af\u57fa\u76e4\u306b\u7c21\u5358\u306b\u6e21\u305b\u308b\u3088\u3046\u306b\u3001\u30d4\u30f3\u30d8\u30c3\u30c0\u30fc\u7aef\u5b50\u3092\u8a2d\u3051\u3066\u3042\u308b\uff0e<\/p>\r\n
\r\n

\u524d\u56de\u307e\u3067\u306f\u30014\u56de\u8def3-state\u30d0\u30c3\u30d5\u30a1\uff0874HC126\uff09\u3067BeagleBone\u5074\u306b\u5165\u529b\u3059\u308bMCK\u4fe1\u53f7\u306e\u5236\u5fa1\u3092\u884c\u3063\u3066\u3044\u305f\u304c\u3001\u4eca\u56de\u306f\u30b9\u30da\u30fc\u30b9\u7bc0\u7d04\u306e\u305f\u30818\u56de\u8def\u306e3-state\u30d0\u30c3\u30d5\u30a1\uff0874HC541\uff09\u3092\u7528\u3044\u305f\uff0e\u56de\u8def\u7684\u306b\u306f\u3053\u308c\u4ee5\u5916\u5927\u304d\u306a\u5909\u66f4\u70b9\u306f\u306a\u3044\uff0e<\/p>\r\n
\r\n

Botic\u30c9\u30e9\u30a4\u30d0\u30fc\u3067\u306f\u3001TI\u306eSitarra\u30d7\u30ed\u30bb\u30c3\u30b5\u306b\u5099\u308f\u3063\u3066\u3044\u308b\u30b7\u30ea\u30a2\u30eb\u4fe1\u53f7\u51e6\u7406\u6a5f\u69cb\u3067\u3042\u308b “Macasp” \u306e4\u7cfb\u7d71\u306e\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u51fa\u529b\u306e\u7d44\u307f\u5408\u308f\u305b\u3092 Linux\u8d77\u52d5\u6642\u306e\u5236\u5fa1\u30d5\u30a1\u30a4\u30eb”uEnv.txt” \u3067\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3060\uff0e\u3053\u308c\u307e\u3067\u3068\u540c\u69d8\u306b\u3001\u30e1\u30a4\u30f3\u57fa\u677f\u306eI2S\/DSD\u51fa\u529b\u3092 PCM\uff08I2S\u51fa\u529b\uff1aPCM-#1, PCM-#2\uff09\u518d\u751f\u6642\u306b\u306f\u3001”mcasp0_axr0″ \u306b\u5272\u308a\u5f53\u3066\u3001DSD\u518d\u751f\u6642\u306b\u306f”mcasp0_axr0″\uff08DSD: L\uff09\u3001”mcasp0_axr1″\uff08DSD: R\uff09\u3068\u3059\u308b\uff0e<\/p>\r\n
\r\n
\r\n

\u30a2\u30c9\u30aa\u30f3\u57fa\u677f<\/h4>\r\n
\r\n
\r\n\"The\r\n
\r\n3\u30c1\u30e3\u30cd\u30eb\u76ee\u4ee5\u964d\u306f\u30a2\u30c9\u30aa\u30f3\u30dc\u30fc\u30c9\u5074\u306b\u5b9f\u88c5\u3057\u305f
\uff08\u5c0f\u3055\u306a\u57fa\u677f\u306f add-on\u30bf\u30a4\u30d7\u306eLED\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf Clock Mode: 44K1\/48K,DSD on, Cape Enabled\uff09<\/span>\r\n
\r\n<\/div>\r\n
\r\n

\u30e1\u30a4\u30f3\u57fa\u677f\u306e\u4e0a\u306b\u91cd\u306d\u308b\u30a2\u30c9\u30aa\u30f3\u57fa\u677f\u5074\u3067\u306f\u30013\u30c1\u30e3\u30cd\u30eb\u76ee\u4ee5\u964d\u306e\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3092\u884c\u3046\uff0ePCM\u518d\u751f\uff08PCM-#3, PCM-#4\uff09\u3092”mcasp0_axr1″ \u306b\u5272\u308a\u5f53\u3066\u3001DSD\u518d\u751f\u6642\u306b\u306f”mcasp0_axr2″\uff08DSD: #3\uff09\u3001”mcasp0_axr3″\uff08DSD: #4\uff09\u3068\u3057\u30014\u56de\u8def2\u30c1\u30e3\u30f3\u30cd\u30eb\u5165\u529b\u30de\u30eb\u30c1\u30d7\u30ec\u30af\u30b5(74HC157\/257\uff09\u3092\u7528\u3044\u3066\u3001PCM\/DSD\u4fe1\u53f7\u306e\u5207\u308a\u66ff\u3048\u3092\u884c\u3046\uff0e<\/p>\r\n
\r\n

\u6b8b\u308a\u306ePCM\uff08I2S\u51fa\u529b\uff1aPCM-#5, PCM-#6\uff09\u3092”mcasp0_axr2″\u3001PCM\uff08I2S\u51fa\u529b\uff1aPCM-#7, PCM-#8\uff09\u3092”mcasp0_axr3″\u3068\u3059\u308b\u4e8b\u3067\u3001PCM\u7cfb\u306f\u6700\u59278ch\u3001DSD\u7cfb\u306f\u6700\u59274ch\u307e\u3067\u306e\u518d\u751f\u304c\u53ef\u80fd\u3060\uff0ePCM ch.#5\u301c#8 \u3092\u5225\u306a\u30a2\u30c9\u30aa\u30f3\u57fa\u677f\u3068\u3057\u3066\u3001\u66f4\u306b\u3082\u3046\u4e00\u679a\u7a4d\u307f\u91cd\u306d\u3066\u3082\u826f\u3044\u304c\u3001\u30a2\u30c9\u30aa\u30f3\u57fa\u677f\u306e\u30b9\u30da\u30fc\u30b9\u306b\u4f59\u88d5\u304c\u3042\u308b\u306e\u3067\u540c\u3058\u57fa\u677f\u4e0a\u306b\u5b9f\u88c5\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u306b\u3059\u308b\uff0e<\/p>\r\n
\r\n

PCM ch.#5\u301c#8\u306f\u30de\u30eb\u30c1\u30d7\u30ec\u30af\u30b5\u306b\u3088\u308b\u4fe1\u53f7\u306e\u5207\u308a\u66ff\u3048\u306f\u5fc5\u8981\u306a\u3044\u306e\u3067\u3001MCK,LRCK,BCK,DATAx\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u306a\u308b\u3079\u304f\u4ed6\u306e\u30c1\u30e3\u30cd\u30eb\u306b\u5408\u308f\u305b\u308b\u305f\u3081\u306b6\u56de\u8def\u306e\u30d0\u30c3\u30d5\u30a1\uff0874HC367\uff09\u3092\u5165\u308c\u3066\u3042\u308b\uff0e\u3053\u306e\u30d0\u30c3\u30d5\u30a1\u306e OE(Low Active)\u4fe1\u53f7\u3092”DSD-on”\u4fe1\u53f7(High Active)\u3067\u7c21\u5358\u306b\u5236\u5fa1\u3067\u304d\u308b\u306e\u3067\u3001DSD\u518d\u751f\u6642\u306bPCM ch.#5\u301c#8 \u3092\u81ea\u52d5\u3067\u30df\u30e5\u30fc\u30c8\u3067\u304d\u308b\u306e\u3067\u90fd\u5408\u304c\u826f\u3044\uff0e\u4f59\u8a08\u306a\u56de\u8def\u3092\u9593\u306b\u631f\u3080\u3053\u3068\u3067\u3001\u30b8\u30c3\u30bf\u30fc\u306e\u5897\u52a0\u3084\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u5fae\u5999\u306a\u305a\u308c\u306a\u3069\u3067\u97f3\u8cea\u306e\u52a3\u5316\u306f\u907f\u3051\u3089\u308c\u306a\u3044\u3060\u308d\u3046\u304c\u3001\u4eca\u56de\u306f\u5b9f\u8a3c\u5b9f\u9a13\u306a\u306e\u3067\u3042\u307e\u308a\u6c17\u306b\u3057\u306a\u3044\u3053\u3068\u306b\u3059\u308b\uff0e<\/p>\r\n
\r\n

6ch\u30c7\u30b8\u30bf\u30eb\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf(Si8660\uff09\u306eSOP\/DIP\u5909\u63db\u57fa\u677f\u306e\u30b9\u30da\u30fc\u30b9\u304c\u7121\u99c4\u306b\u5e83\u3044\u306e\u3067\u3001\u3044\u3064\u3082\u306e\u3088\u3046\u306b\u5909\u63db\u57fa\u677f\u306e\u4e0b\u306e\u30b9\u30da\u30fc\u30b9\u3092\u6709\u52b9\u6d3b\u7528\u3059\u308b\u3053\u3068\u306b\u3059\u308b\uff0e\u4eca\u56de\u306f74HC367\u3068I2C\u306e\u30c7\u30b8\u30bf\u30eb\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf(TI:ISO1540)\u3092\u5909\u63db\u57fa\u677f\u306e\u771f\u4e0b\u306b\u5b9f\u88c5\u3057\u305f\uff0e<\/p>\r\n
\r\n

\u30e1\u30a4\u30f3\u30dc\u30fc\u30c9\u306e\u4e0a\u306b\u30a2\u30c9\u30aa\u30f3\u30dc\u30fc\u30c9\u3092\u91cd\u306d\u308b\u969b\u306b\u3001\u901a\u5e38\u30b5\u30a4\u30ba\u306e\u30d4\u30f3\u30d8\u30c3\u30c0\u3067\u9023\u7d50\u3059\u308b\u3068\u30e1\u30a4\u30f3\u30dc\u30fc\u30c9\u3068\u30a2\u30c9\u30aa\u30f3\u30dc\u30fc\u30c9\u306e\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u304c\u78ba\u4fdd\u3067\u304d\u306a\u304f\u306a\u3044\u306e\u3067\u3001\u4eca\u56de\u306f\u30ed\u30f3\u30b0\u30bf\u30a4\u30d7\u306e\u9023\u7d50\u7528\u30d4\u30f3\u30d8\u30c3\u30c0\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\uff0e\u3061\u3087\u3063\u3068\u9593\u629c\u3051\u306a\u611f\u3058\u306b\u306f\u306a\u308b\u304c\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u306a\u3069\u3092\u8003\u3048\u308b\u3068\u3053\u306e\u65b9\u304c\u90fd\u5408\u304c\u826f\u3044\u3060\u308d\u3046\uff0e<\/p>\r\n
\r\n

\r\n\"main \r\n
\r\n\u30a2\u30c9\u30aa\u30f3\u30dc\u30fc\u30c9\u5074\u306e\u30d4\u30f3\u30d8\u30c3\u30c0\u306f\u30ed\u30f3\u30b0\u30bf\u30a4\u30d7\u3092\u4f7f\u7528\u3057\u3066\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u3092\u78ba\u4fdd<\/span>\r\n
\r\n
\r\n\"Stacked\r\n
\r\n\u30b9\u30bf\u30c3\u30af\u3059\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308b<\/span>\r\n
\r\n<\/div>\r\n
\r\n
\r\n

\u53c2\u8003\u56de\u8def\u56f3<\/h4>\r\n
\r\n

\u4eca\u56de\u306e\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u5316\u30674\u7cfb\u7d71\u306e\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6(“mcasp0\u301c3”)\u306e\u4fe1\u53f7\u7dda\u304b\u3089PCM\/DSD\u306e\u5207\u308a\u66ff\u3048\u3092\u884c\u3046\u90e8\u5206\u306e\u53c2\u8003\u56de\u8def\u56f3\u30922\u7a2e\u985e\u793a\u3059\uff0eType A\u306f6\u56de\u8def\u30d0\u30c3\u30d5\u30a1\uff0874HC367\uff09\u3092\u7528\u3044\u3066\u3001PCM: ch. #5\u301c#8\u3092\u540c\u6642\u306b\u51fa\u529b\u3059\u308b\u4f8b\u3067\u3001Type B\u306fCM: ch. #5,#6 \u3068 Ch. #7,#8 \u3068\u3092\u30b8\u30e3\u30f3\u30d1\u30fc\u30d4\u30f3\u3067\u5207\u308a\u66ff\u3048\u308b\u4f8b\u3060\uff0e\uff081\u500b\u306e\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30ebDAC\u30c1\u30c3\u30d7\u3067\u51e6\u7406\u3059\u308b\u5834\u5408\u306f\u3001\u5168\u30c1\u30e3\u30cd\u30eb\u306e\u7279\u6027\u304c\u63c3\u3046Type B\u306e\u65b9\u304c\u826f\u3044\u304b\u3082\u3057\u308c\u306a\u3044\uff09<\/p>\r\n
\r\n

\u5c1a\u3001\u5168\u4f53\u7684\u306a\u56de\u8def\u69cb\u6210\u306f\u524d\u56de\u306e\u8a18\u4e8b\u300cBeagleBone + Botic \u3067\u7c21\u5358DSD Native \u518d\u751f\uff08\u305d\u306e\uff14\uff09\u300d<\/a>\u3092\u53c2\u8003\u306b\u3057\u3066\u6b32\u3057\u3044\uff0e<\/p>\r\n
\r\n
\r\n

\r\n\"PCM-DSD-SW-Type-A\"<\/a>\r\n
\r\n\u53c2\u8003\u56de\u8def\uff3b6\u56de\u8def\u30d0\u30c3\u30d5\u30a1\u7248\uff08Type A\uff09\uff3d<\/span>\r\n
\r\n
\r\n\"PCM-DSD-SW-Type-B\"<\/a>\r\n
\r\n\u53c2\u8003\u56de\u8def\uff3b4\u56de\u8def2\u5165\u529b\u30de\u30eb\u30c1\u30d7\u30ec\u30af\u30b5\u7248\uff08Type B\uff09\uff3d<\/span>\r\n
\r\n
\r\n\"BBB \r\n
\r\nBeagleBone P9\u30b3\u30cd\u30af\u30bf\u30fc\u3000Botic 7 Driver\u7528\u5165\u51fa\u529b\u30d4\u30f3\u914d\u7f6e\u56f3<\/span>\r\n
\r\n<\/div>\r\n
\r\n

PCM\/DSD\u306e\u5207\u308a\u66ff\u3048\u3092\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u3067\u5b9f\u88c5\u3057\u3066\u307f\u305f<\/h4>\r\n
\r\n
\r\n
\r\n\"Botic\r\n
\r\n2\u5dfb\u7dda\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u3092\u7528\u3044\u305f Botic Cape\uff08\u8a66\u4f5c\u6a5f\uff09<\/span>\r\n<\/div>\r\n
\r\n

\u4e0a\u8a18\u306e\u53c2\u8003\u56de\u8def\u3067\u306f\u300174HC157\/257\u3068\u3044\u3046\u30de\u30eb\u30c1\u30d7\u30ec\u30af\u30b5IC\u3092\u7528\u3044\u3066PCM\u3068DSD\u306e\u4fe1\u53f7\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u5207\u308a\u66ff\u3048\u3066\u3044\u308b\u304c\u3001\u534a\u5c0e\u4f53\u306b\u3088\u308b\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306a\u306e\u3067\u3001\u9045\u5ef6\u3084\u30b8\u30c3\u30bf\u30fc\u306a\u3069\u304c\u591a\u5c11\u60aa\u5316\u3057\u3066\u3057\u307e\u3046\u306e\u306f\u907f\u3051\u3089\u308c\u306a\u3044\u3060\u308d\u3046\uff0e\u534a\u5c0e\u4f53\u306b\u3088\u308b\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306e\u4ee3\u308f\u308a\u306b\u30aa\u30fc\u30bd\u30c9\u30c3\u30af\u30b9\u306a\u5c0f\u4fe1\u53f7\u63a5\u70b9\u30ea\u30ec\u30fc\u3092\u7528\u3044\u308b\u65b9\u304c\u597d\u307e\u3057\u3044\u306e\u306f\u5206\u304b\u3063\u3066\u306f\u3044\u308b\u304c\u3001\u666e\u901a\u306e\u30ea\u30ec\u30fc\u3067\u306f\u5e38\u6642\u30b3\u30a4\u30eb\u306b\u96fb\u6d41\u304c\u6d41\u308c\u3066\u3044\u308b\u306e\u3067\u7121\u99c4\u306a\u96fb\u529b\u3092\u6d88\u8cbb\u3057\u3066\u3057\u307e\u3046\uff0e\u30ea\u30ec\u30fc\u30b3\u30a4\u30eb\u306e\u6d88\u8cbb\u96fb\u6d41\u306f\u5c0f\u578b\u306e5V\u7a0b\u5ea6\u306e\u30ea\u30ec\u30fc\u3067\u308250\u301c60mA\u7a0b\u5ea6\u6d88\u8cbb\u3059\u308b\u306e\u3067\u3001\u30ea\u30ec\u30fc\u306e\u6570\u304c\u5897\u3048\u308b\u3068\u7121\u8996\u3067\u304d\u306a\u3044\u6d88\u8cbb\u96fb\u6d41\u3068\u306a\u3063\u3066\u3057\u307e\u3046\uff0e<\/p>\r\n
\r\n

\u30ea\u30ec\u30fc\u306b\u306f\u5e38\u6642\u901a\u96fb\u578b\u306e\u4e00\u822c\u7684\u306a\u30ea\u30ec\u30fc\u3068\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u3068\u547c\u3070\u308c\u3066\u3044\u308b\u5207\u308a\u66ff\u3048\u308b\u77ac\u9593\u306e\u307f\u30b3\u30a4\u30eb\u306b\u96fb\u6d41\u3092\u6d41\u3059\u30bf\u30a4\u30d7\u306e\u30ea\u30ec\u30fc\u304c\u3042\u308b\uff0e\u305f\u3060\u3057\u3001\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u3092\u52b9\u679c\u7684\u306b\u4f7f\u3046\u306b\u306f\u30b3\u30a4\u30eb\u306b\u77ed\u6642\u9593\u3060\u3051\u30d1\u30eb\u30b9\u72b6\u306e\u96fb\u6d41\u3092\u6d41\u3059\u5fc5\u8981\u304c\u3042\u308a\u3001\u4e00\u822c\u7684\u306a\u5e38\u6642\u901a\u96fb\u30bf\u30a4\u30d7\u306e\u30ea\u30ec\u30fc\u306b\u8f03\u3079\u308b\u3068\u5236\u5fa1\u56de\u8def\u304c\u9762\u5012\u306b\u306a\u308b\uff0e<\/p>\r\n
\r\n

\u79cb\u6708\u96fb\u5b50\u3067NEC\u306e\u5c0f\u578b\uff12\u5dfb\u304d\u7dda\u30bf\u30a4\u30d7\u306e2\u56de\u8def2\u63a5\u70b9\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u304c\u305f\u305f\u304d\u58f2\u308a\uff084\u500b\u3067200\u5186\uff09\u3055\u308c\u3066\u3044\u3066\u3044\u305f\u306e\u3067\u3068\u308a\u3042\u3048\u305a\u8cb7\u3063\u3066\u304a\u3044\u305f\u30b9\u30c8\u30c3\u30af\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u3053\u306e\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u3092\u4f7f\u3063\u3066PCM\/DSD\u30b9\u30a4\u30c3\u30c1\u56de\u8def\u3092\u8a66\u4f5c\u3057\u3066\u307f\u305f\uff0e<\/p>\r\n
\r\n

\u4eca\u56de\u4f7f\u7528\u3057\u305f\u30ea\u30ec\u30fc\u306f\u3000NEC EA2 \u30b7\u30ea\u30fc\u30ba\u306e5V\u4ed5\u69d8\u306e\u5c0f\u578b\u306e\u7269\u3067\u3001DIP\u30bf\u30a4\u30d7\u306e300mil IC\u30bd\u30b1\u30c3\u30c8\u306b\u7c21\u5358\u306b\u633f\u5165\u3067\u304d\u308b\u30b5\u30a4\u30ba\u306e\u7269\u3060\uff0e\u30b3\u30a4\u30eb\u306e\u5370\u52a0\u96fb\u5727\u3082 3, 4.5, 5, 12, 24V\u306e\u5404\u30bf\u30a4\u30d7\u304c\u3042\u308b\uff0e24V\u4ed5\u69d8\u306e\u7269\u306f\u30b3\u30a4\u30eb\u306e\u5b9a\u683c\u6d88\u8cbb\u96fb\u529b\u304c200mA\u3068\u306a\u3063\u3066\u3044\u308b\u304c\u3001\u305d\u306e\u4ed6\u306e\u7269\u306f 140mA \u3068\u306a\u3063\u3066\u3044\u308b\uff0e <\/p>\r\n
\r\n

\u6050\u3089\u304f\u4eca\u56de\u5165\u624b\u3057\u305fNEC\u306e\u30ea\u30ec\u30fc\u306f\u5ec3\u76e4\u54c1\u3068\u3057\u3066\u653e\u51fa\u3055\u308c\u3066\u3044\u305f\u7269\u306a\u306e\u3067\u3001\u540c\u3058\u7269\u306f\u624b\u306b\u5165\u3089\u306a\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u304c\u3001\u540c\u69d8\u306a\u4ed5\u69d8\u306e\u5c0f\u578b\u306e\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u306f\u30aa\u30e0\u30ed\u30f3\u3084\u30d1\u30ca\u30bd\u30cb\u30c3\u30af\u304b\u3089\u3082\u51fa\u56de\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u5165\u624b\u306f\u96e3\u3057\u304f\u306a\u3044\u3060\u308d\u3046\uff0e<\/p>\r\n
\r\n

\r\n\"Botic<\/a>\r\n
\r\n2\u5dfb\u7dda\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u3092\u7528\u3044\u305fPCM\/DSD\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u56de\u8def\u4f8b<\/span>\r\n
\r\n<\/div>\r\n
\r\n

\u8a66\u4f5c\u7528\u306e\u53c2\u8003\u56de\u8def\u3092\u8f09\u305b\u3066\u304a\u304f\u304c\u3001\u30ea\u30ec\u30fc\u5468\u308a\u306e\u56de\u8def\u306f\u4f7f\u3046\u30ea\u30ec\u30fc\u306e\u4ed5\u69d8\u306b\u5408\u308f\u305b\u3066\u82e5\u5e72\u4fee\u6b63\u304c\u5fc5\u8981\u306b\u306a\u308b\u304b\u3082\u3057\u308c\u306a\u3044\uff0e\u7279\u306b\u30ea\u30ec\u30fc\u3092\u30c9\u30e9\u30a4\u30d6\u3059\u308b\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306f\u30b3\u30a4\u30eb\u306e\u30c9\u30e9\u30a4\u30d6\u96fb\u6d41 140mA\u3000\u3092\u8003\u616e\u3057\u3066\u6c7a\u3081\u308b\u5fc5\u8981\u304c\u3042\u308b\uff0e2SC1815\u306a\u3069\u306e\u624b\u5143\u306b\u4f59\u3063\u3066\u3044\u308bNPN\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3067\u69cb\u308f\u306a\u3044\u304c\u30012SC1815\u306e\u30b3\u30ec\u30af\u30bf\u96fb\u6d41\u306e\u7d76\u5bfe\u6700\u5927\u5b9a\u683c\u304c150mA\u306a\u306e\u3067\u3082\u3046\u5c11\u3057\u4f59\u88d5\u304c\u6b32\u3057\u3044\u304c\u3001\u5b9f\u969b\u306b\u30b3\u30a4\u30eb\u306b\u96fb\u6d41\u304c\u6d41\u308c\u308b\u6642\u9593\u306f\u3054\u304f\u77ed\u3044\u306e\u3067\u30012SC1815\u3067\u3082\u5927\u4e08\u592b\u306a\u3088\u3046\u306a\u6c17\u304c\u3059\u308b\uff0e\u4e0d\u5b89\u306a\u3089\u3082\u3046\u5c11\u3057\u5927\u304d\u306a\u30b3\u30ec\u30af\u30bf\u96fb\u6d41\u3092\u6d41\u305b\u308b\u30bf\u30a4\u30d7\u306e\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u9078\u5b9a\u3059\u308b\u3068\u826f\u3044\uff0e<\/p>\r\n
\r\n

\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u3092\u30c9\u30e9\u30a4\u30d6\u3059\u308b\u306b\u306f\u77ed\u6642\u9593\u306e\u30d1\u30eb\u30b9\u72b6\u306e\u96fb\u5727\u3092\u5370\u52a0\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u304c\u3001\u30d1\u30eb\u30b9\u767a\u751f\u7528\u306b\u5358\u5b89\u5b9a\u30de\u30eb\u30c1\u30d0\u30a4\u30d6\u30ec\u30fc\u30bfIC 74HC123 \u3092\u4f7f\u3063\u3066\u307f\u305f\uff0e\u90fd\u5408\u826f\u3044\u3053\u3068\u306b74HC123\u306b\u306f\u5358\u5b89\u5b9a\u30de\u30eb\u30c1\u30d0\u30a4\u30d6\u30ec\u30fc\u30bf\u56de\u8def\u304c2\u56de\u8def\u5206\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u306e\u3067\u30012\u5dfb\u304d\u7dda\u30bf\u30a4\u30d7\u306e\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u306e\u5236\u5fa1\u306b\u30d4\u30c3\u30bf\u30ea\u3060\uff0e\u51fa\u529b\u3059\u308b\u30d1\u30eb\u30b9\u306e\u6642\u9593\u306f Rx\u3068Cx \u306e\u7a4d\u3067\u6c7a\u307e\u308b\u306e\u3067\u3001\u30ea\u30ec\u30fc\u304c\u78ba\u5b9f\u306b\u4f5c\u52d5\u3059\u308b\u6642\u9593\u306b\u5408\u308f\u305b\u3066\u8abf\u6574\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304c\u3001\u4eca\u56de\u306f Rx = 10k\u03a9\u3001Cx = 0.47\u03bcF \u3068\u3057\u3066\u307f\u305f\uff0e\u3053\u306e\u5834\u5408\u306e\u51fa\u529b\u30d1\u30eb\u30b9\u306e\u5e45\uff08\u6642\u9593\uff09\u306f\u7d044.7ms\u3068\u306a\u308b\uff0e<\/p>\r\n
\r\n

\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u306f\u521d\u56de\u8d77\u52d5\u6642\u306b\u524d\u56de\u306e\u52d5\u4f5c\u72b6\u614b\u304c\u4fdd\u6301\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u6700\u521d\u306e\u72b6\u614b\u304c\u3069\u3063\u3061\u4ed8\u304b\u305a\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u6700\u521d\u306e\u72b6\u614b\u3092\u56fa\u5b9a\u3057\u305f\u3051\u308c\u3070\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u96fb\u6e90ON\u6642\u306b\u5fc5\u305a\u30ea\u30bb\u30c3\u30c8\u5074\u304b\u30bb\u30c3\u30c8\u5074\u306b\u306a\u308b\u3088\u3046\u306b\u56de\u8def\u3092\u5de5\u592b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\uff0e\u3053\u306e\u8fba\u306e\u5236\u5fa1\u306e\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f74HC123A\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u771f\u7406\u5024\u8868\u3092\u53c2\u8003\u306b\u30ed\u30b8\u30c3\u30af\u3092\u7d44\u3080\u3068\u826f\u3044\u3060\u308d\u3046\uff0e\uff08\u4eca\u56de\u306f\u3001Botic\u56de\u8def\u306eCape-Enable\u4fe1\u53f7 P9-#14 \u3092 1 CLR (LowActive) \u306b\u52a0\u3048\u3066\u3001Botic\u56de\u8def\u304c\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u306a\u3063\u305f\u969b\u306b\u30ea\u30bb\u30c3\u30c8\u30d1\u30eb\u30b9\u3092\u767a\u751f\u3055\u305b\u3066\u3044\u308b\uff0e<\/p>\r\n
\r\n

\u4e0a\u8a18\u306e\u56de\u8def\u3067\u306f74HC123A\u306b\u5165\u529b\u3059\u308bDSD-SW\u4fe1\u53f7\u3092\u3001\u4e00\u65e6 3\u30b9\u30c6\u30fc\u30c8\u30bf\u30a4\u30d7\u306e\u30d6\u30c3\u30d5\u30a1\u56de\u8def(74HC126D)\u306b\u5165\u308c\u3066DSD-SW\u4fe1\u53f7\u3092\u5206\u914d\u3057\u3066\u3042\u308b\u306e\u306f\u3001\u7247\u65b9\u306fPull-down\u3001\u3082\u3046\u4e00\u65b9\u306f Pull-up \u3068\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3001Cape-Enable\u4fe1\u53f7\u304c “LOW” \u306e\u9593\u306f\u3001\u305d\u308c\u305e\u308c\u306eDSD-SW\u4fe1\u53f7\u5165\u529b\u7aef\u5b50\u304c\u3001\u78ba\u5b9f\u306b”HIGH”\u3001”LOW”\u3068\u306a\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u305f\u3081\u3060\uff0e<\/p>\r\n
\r\n

\u4eca\u56de\u306e\u53c2\u8003\u56de\u8def\u3067\u306f\u3001Botic\u57fa\u76e4\u5074\u306eDSD-SW\u4fe1\u53f7\uff08P9#26\uff09\u304c\u3001PCM\u518d\u751f\u6642 \u2192 LOW, DSD\u518d\u751f\u6642 \u2192 HIGH \u3068\u3044\u3046\u52d5\u304d\u306b\u306a\u308b\u306e\u3067\u3001Botic\u8d77\u52d5\u6642\u306b\u4e88\u3081\u5f37\u5236\u7684\u306bPCM\u30e2\u30fc\u30c9\uff08\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u3092\u30ea\u30bb\u30c3\u30c8\u72b6\u614b\u306b\u3059\u308b\uff09\u3068\u3057\u3001DSD\u518d\u751f\u306b DSD-SW\u4fe1\u53f7\u304c LOW\u2192HIGH \u306b\u5207\u308a\u66ff\u308f\u308b\u7acb\u3061\u4e0a\u304c\u308a\u4fe1\u53f7\u3092\u691c\u51fa\u3057\u305f\u969b\u306b\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u3092\u30bb\u30c3\u30c8\u72b6\u614b\uff08DSD\u30e2\u30fc\u30c9\uff09\u306b\u3057\u3066\u3044\u308b\uff0e\u5f79\u306b DSD\u518d\u751f\u30e2\u30fc\u30c9\u304b\u3089PCM\u518d\u751f\u30e2\u30fc\u30c9\u306b\u623b\u308b\u6642\u306fDSD-SW\u4fe1\u53f7\u304c HIGH\u2192LOW \u306b\u5207\u308a\u66ff\u308f\u308b\u7acb\u3061\u4e0b\u304c\u308a\u4fe1\u53f7\u3092\u691c\u51fa\u3057\u3066\u30e9\u30c3\u30c1\u30f3\u30b0\u30ea\u30ec\u30fc\u3092\u30ea\u30bb\u30c3\u30c8\u72b6\u614b\u306b\u623b\u3057\u3066\u3044\u308b\uff0e<\/p>\r\n
\r\n
\r\n

\r\n
\r\n\"74HC123\r\n
\r\n74HC123A\u306e\u771f\u7406\u5024\u8868<\/span>\r\n
\r\n<\/div>\r\n
\r\n\r\n
\r\n

\u5b9f\u9a13\u541b<\/h3>\r\n
\r\n

\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u62e1\u5f35\u30a2\u30c9\u30aa\u30f3\u57fa\u677f\u304c\u5b8c\u6210\u3057\u305f\u3068\u3053\u308d\u3067\u65e9\u901f\u97f3\u3060\u3057\u30c6\u30b9\u30c8\u3092\u3057\u3066\u307f\u305f\u3044\u3068\u3053\u308d\u3060\u304c\u3001\u5148\u305a\u306fPCM\u5f62\u5f0f\/DSD\u5f62\u5f0f\u306e\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u30c7\u30fc\u30bf\u3092\u5165\u624b\u3057\u3066\u304a\u304f\u3053\u3068\u306b\u3059\u308b\uff0e\u3053\u306e\u624b\u306e\u97f3\u6e90\u30c7\u30fc\u30bf\u3092\u624b\u306b\u5165\u308c\u308b\u306b\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306b\u8ee2\u304c\u3063\u3066\u3044\u308b\u7269\u3092\u898b\u3064\u3051\u308b\u306e\u304c\u624b\u3063\u53d6\u308a\u65e9\u3044\u3060\u308d\u3046\uff0e<\/p>\r\n
\r\n

\u97f3\u697d\u7cfb\u306e\u97f3\u6e90\u30c7\u30fc\u30bf\u3067\u3042\u308c\u3070\u3001\u30ce\u30eb\u30a6\u30a7\u30a4\u306e2L\u30ec\u30fc\u30d9\u30eb\u306e\u97f3\u6e90\u30b5\u30f3\u30d7\u30eb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30b5\u30a4\u30c8 “HiRes Download – test bench<\/a>” \u304c\u4e00\u756a\u3060\u308d\u3046\uff0e\u4eca\u56de\u306f PCM5.1ch 96KHz\/24bit \u5f62\u5f0f\u306e\u97f3\u6e90\u3068DSD5.1ch DSD64\u7248\u3092\u5165\u624b\u3057\u305f\uff0e<\/p>\r\n
\r\n

\r\n\r\n\"Album\"
\r\nPOLARITY \u2014 an acoustic jazz project (2L-145)<\/span>\r\n<\/a>\r\n
\r\n [ Artist: Hoff Ensemble, Title: “Innocence” (5m:07s\uff09,\u3000Album: “POLARITY \u2014 an acoustic jazz project” ]\r\n
\r\n<\/div>\r\n
\r\n
\r\n

\u4e0a\u8a18\u306e\u30a2\u30eb\u30d0\u30e0\uff08\u201d\u30a2\u30eb\u30d0\u30e0\u201d\u3068\u3044\u3046\u7528\u8a9e\u306f\u6700\u8fd1\u3067\u306f\u6b86\u3069\u6b7b\u8a9e\u304b\u3082\uff0e\uff0e\uff0e\uff09\u306f\u3001\u65e5\u672c\u306e “e-ONKYO Music\u30b5\u30a4\u30c8”\u304b\u3089\u3082POLARITY – an acoustic jazz project (\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u8cfc\u5165)<\/a>\u304c\u53ef\u80fd\u3060\uff0e<\/p>\r\n
\r\n

\u30c6\u30b9\u30c8\u97f3\u6e90\u3068\u3057\u3066\u97f3\u697d\u30c7\u30fc\u30bf\u3060\u3051\u3067\u306f\u3001\u30c1\u30e3\u30cd\u30eb\u69cb\u6210\u304c\u6b63\u3057\u304f\u518d\u73fe\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u826f\u304f\u5206\u304b\u3089\u306a\u3044\u306e\u3067\u3001\u30c1\u30e3\u30cd\u30eb\u306e\u30c1\u30a7\u30c3\u30af\u7528\u3068\u3057\u3066”AAC Audio Playback Tests<\/a>“\u30b5\u30a4\u30c8\u304b\u3089\u4e0b\u8a18\u306e\u97f3\u6e90\u30c7\u30fc\u30bf\u3092\u5165\u624b\u3057\u3066\u304a\u304f\u3053\u3068\u306b\u3057\u305f\uff0e<\/p>\r\n
\r\n

\r\nHTML5 AAC Audio Playback Tests – Multichannel<\/a>\r\n
\r\n
\r\n\u3000WAVE\u5f62\u5f0f\u30d5\u30a1\u30a4\u30eb\uff1a https:\/\/www2.iis.fraunhofer.de\/AAC\/ChID-BLITS-EBU-Narration441-16b.wav<\/a>\r\n
\r\n
\r\n \u3053\u306e\u30c6\u30b9\u30c8\u97f3\u6e90\u30c7\u30fc\u30bf\u306b\u306f\u4eba\u9593\u306e\u30ca\u30ec\u30fc\u30b7\u30e7\u30f3\u5165\u308a\u3067\u518d\u751f\u3057\u3066\u3044\u308b\u30c1\u30e3\u30cd\u30eb\u306e\u60c5\u5831\u304c\u30ac\u30a4\u30c9\u3055\u308c\u308b\u306e\u3067\u3001\u30c1\u30e3\u30cd\u30eb\u69cb\u6210\u304c\u6b63\u3057\u304f\u518d\u73fe\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u78ba\u5b9f\u306b\u78ba\u304b\u3081\u308b\u3053\u3068\u304c\u53ef\u80fd\u3060\uff0e<\/p>\r\n
\r\n

\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3068\u3057\u3066\u304d\u3061\u3093\u3068\u898f\u683c\u5316\u3055\u308c\u305f\u7269\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u306f\u73fe\u6642\u70b9\u3067\u306f\u8abf\u67fb\u4e0d\u8db3\u306a\u306e\u3067\u3001\u72b6\u6cc1\u304c\u5206\u304b\u308a\u6b21\u7b2c\u60c5\u5831\u3092\u8ffd\u8a18\u3059\u308b\u4e88\u5b9a\u3060\uff0e<\/p>\r\n
\r\n

\u5148\u305a\u306f\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u97f3\u6e90\u30c7\u30fc\u30bf\u3092\u3001Cubase\u306a\u3069\u306e\u30aa\u30fc\u30c7\u30a3\u30aa\u7cfb\u306e\u7de8\u96c6\u30bd\u30d5\u30c8\u3067\u4e2d\u8eab\u3092\u8997\u3044\u3066\u307f\u308b\u3053\u3068\u306b\u3059\u308b\uff0e<\/p>\r\n
\r\n
\r\n

\r\n\"2L145 \r\n
\r\n “Innocence” : Polarity(2L145) \u306e\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u6ce2\u5f62<\/span>\r\n
\r\n
\r\n\"Multi-ch\r\n
\r\nWAVE\u5f62\u5f0f\u97f3\u6e90\u30d5\u30a1\u30a4\u30eb\uff1a “ChID-BLITS-EBU-Narration441-16b.wav” \u306e\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u6ce2\u5f62<\/span>\r\n
\r\n<\/div>\r\n
\r\n
\r\n

\u4e0a\u8a18\u306e\u97f3\u6e90\u306e\u6ce2\u5f62\u30c7\u30fc\u30bf\u60c5\u5831\u304b\u3089\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u30c8\u30e9\u30c3\u30af\u306e\u30c1\u30e3\u30cd\u30eb\u69cb\u6210\u306f\u3001
\r\n
\r\n\u3000\u3000Track #1: FL(Front Left)
\r\n\u3000\u3000Track #2: FR(Front Right)
\r\n\u3000\u3000Track #3: FC(Front Center)
\r\n\u3000\u3000Track #4: Bass Track
\r\n\u3000\u3000Track #5: RL(Rear Left : Surround Left\uff09
\r\n\u3000\u3000Track #6: RR(Rear Right : Surround Right\uff09
\r\n
\r\n \u3067\u3042\u308b\u3053\u3068\u304c\u8aad\u307f\u53d6\u308c\u308b\uff0eDVD\u3084\u30d6\u30eb\u30fc\u30ec\u30a4\u30c7\u30a3\u30b9\u30af\u306a\u3069\u306e5.1ch\u5f62\u5f0f\u306e\u97f3\u6e90\u306f\u3053\u306e\u9806\u756a\u304c\u696d\u754c\u6a19\u6e96\uff08\uff1f\uff09\u306e\u3088\u3046\u3060\uff0e<\/p>\r\n
\r\n

\u97f3\u51fa\u3057\u30c6\u30b9\u30c8\u3092\u3057\u3066\u307f\u305f\u3089\uff0e\uff0e\uff0e<\/h3>\r\n
\r\n

\u624b\u5143\u306b\u3042\u3063\u305f\u307e\u3060\u30b1\u30fc\u30b9\u306b\u5b9f\u88c5\u3057\u3066\u3044\u306a\u3044DAC\u57fa\u677f\uff08AK4497,AK4493,ES9018K2M\uff09\u306a\u3069\u3092\u3001\u30e1\u30a4\u30f3\u57fa\u677f\u3001\u30a2\u30c9\u30aa\u30f3\u57fa\u677f\u306b\u3064\u306a\u3044\u3067\u97f3\u51fa\u3057\u3092\u3057\u3066\u307f\u305f\uff0e<\/p>\r\n
\r\n

\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u30fc\u306e\u8a2d\u5b9a\u3092\u5148\u305a\u306f\u3001
\r\n

\r\n\u3000snd_soc_botic.serconfig=I---\r\n<\/pre>\r\n\u3068\u3057\u3066\u30c6\u30b9\u30c8\u3057\u3066\u307f\u308b\uff0e
\r\n
\r\n\u3000\u30fb\u901a\u5e38\u306e2ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f 
\r\n\u3000\u3000\u3000\u21d2 \u30e1\u30a4\u30f3\u57fa\u677f\u5074DAC#1\u304b\u30892ch STEREO\u3067\u97f3\u304c\u51fa\u308b\u3053\u3068\u3092\u78ba\u8a8d\uff08\u6b63\u5e38\u306a\u518d\u751f\uff09
\r\n\u3000\u3000\u3000\u3000\u3000DAC#2,#3,#4\u306b\u306f\u4f55\u3082\u51fa\u529b\u3055\u308c\u306a\u3044
\r\n
\r\n\u3000\u30fb5.1ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f
\r\n\u3000\u3000\u3000\u21d2 \u5168\u3066\u306e\u30c1\u30e3\u30cd\u30eb\u304c\u30e1\u30a4\u30f3\u57fa\u677f\u5074DAC#1\u306eL&R\u306b\u30e2\u30ce\u30e9\u30eb\u51fa\u529b\u3055\u308c\u308b\uff08\u4f46\u3057\u3001\u97f3\u91cf\u306f\u304b\u306a\u308a\u4f4e\u3081\uff09
\r\n
\r\n<\/p>\r\n
\r\n
\u6b21\u306b\u3001\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u30fc\u306e\u8a2d\u5b9a\u3092\u3001
\r\n
\r\n\u3000snd_soc_botic.serconfig=-I--\r\n<\/pre>\r\n\u3068\u3057\u3066\u30c6\u30b9\u30c8\u3057\u3066\u307f\u308b\uff0e
\r\n
\r\n\u3000\u30fb\u901a\u5e38\u306e2ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f 
\r\n\u3000\u3000\u3000\u21d2 \u30a2\u30c9\u30aa\u30f3\u57fa\u677f\u5074DAC#2\u304b\u30892ch STEREO\u3067\u97f3\u304c\u51fa\u308b\u3053\u3068\u3092\u78ba\u8a8d\uff08\u6b63\u5e38\u306a\u518d\u751f\uff09
\r\n
\r\n\u3000\u30fb5.1ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f 
\r\n\u3000\u3000\u3000\u21d2 \u5168\u3066\u306e\u30c1\u30e3\u30cd\u30eb\u304c\u30a2\u30c9\u30aa\u30f3\u57fa\u677f\u5074DAC#2\u306eL&R\u306b\u30e2\u30ce\u30e9\u30eb\u51fa\u529b\u3055\u308c\u308b\uff08\u4f46\u3057\u3001\u97f3\u91cf\u306f\u304b\u306a\u308a\u4f4e\u3081\uff09
\r\n<\/p>\r\n
\r\n
\u901a\u5e38\u306e2ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f\u306b\u95a2\u3057\u3066\u306f\u4e88\u60f3\u901a\u308a\u306e\u7d50\u679c\u3068\u306a\u3063\u305f\u304c\u30015.1ch\u97f3\u6e90\u30c7\u30fc\u30bf\u306b\u95a2\u3057\u3066\u306f\u4e0d\u53ef\u89e3\u306a\u6319\u52d5\u3060\uff0eFL & FR \u30c1\u30e3\u30cd\u30eb\u3060\u3051\u518d\u751f\u3057\u3066\u304f\u308c\u3066\u3082\u826f\u3055\u305d\u3046\u306a\u3082\u306e\u3060\u304c\u3001\u4f55\u6545\u304b\u97f3\u91cf\u4f4e\u3081\u306e\u30e2\u30ce\u30e9\u30eb\u518d\u751f\u3068\u306a\u3063\u3066\u3057\u307e\u3046\uff0e\u52ff\u8ad6\u3001
 \"--I-\", \"---I\" <\/pre> \u3067\u3082\u540c\u3058\u6319\u52d5\u3060\uff0e<\/p>\r\n
\r\n
\u305d\u308c\u3067\u306f\u30012\u7cfb\u7d71\u306eDAC\u3092\u6307\u5b9a\u3059\u308b\u3068\u3069\u3046\u306a\u308b\u304b\u3092\u8a66\u3057\u3066\u307f\u308b\uff0e
\r\n
\r\n\u3000 snd_soc_botic.serconfig=II--\r\n<\/pre>\r\n
\r\n\u3000\u30fb\u901a\u5e38\u306e2ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f 
\r\n\u3000\u3000\u3000\u21d2 \u30e1\u30a4\u30f3\u57fa\u677f\u5074DAC#1\u304b\u30892ch STEREO\u3067\u97f3\u304c\u51fa\u308b\u3053\u3068\u3092\u78ba\u8a8d\uff08\u6b63\u5e38\u306a\u518d\u751f\uff09
\r\n\u3000\u3000\u3000\u3000\u3000DAC#2,#3,#4\u306b\u306f\u4f55\u3082\u51fa\u529b\u3055\u308c\u306a\u3044
\r\n
\r\n\u3000\u30fb5.1ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f 
\r\n\u3000\u3000\u3000\u21d2 \u5168\u3066\u306e\u30c1\u30e3\u30cd\u30eb\u304c\u30e1\u30a4\u30f3\u57fa\u677f\u5074DAC#1\u304a\u3088\u3073\u30a2\u30c9\u30aa\u30f3\u57fa\u677f\u5074DAC#2\u306eL&R\u306b\u30e2\u30ce\u30e9\u30eb\u51fa\u529b\u3055\u308c\u308b\uff08\u4f46\u3057\u3001\u97f3\u91cf\u306f\u304b\u306a\u308a\u4f4e\u3081\uff09
\r\n
\r\n
\r\n
\u540c\u3058\u304f3\u7cfb\u7d71\u306eDAC\u3092\u6307\u5b9a\u3059\u308b\u3068\u3069\u3046\u306a\u308b\u304b\u3092\u8a66\u3057\u3066\u307f\u308b\uff0e
\r\n
\r\n\u3000snd_soc_botic.serconfig=III-\u3000\r\n<\/pre>\r\n
\r\n\u3000\u30fb\u901a\u5e38\u306e2ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f 
\r\n\u3000\u3000\u3000\u21d2 \u30e1\u30a4\u30f3\u57fa\u677f\u5074DAC#1\u304b\u30892ch STEREO\u3067\u97f3\u304c\u51fa\u308b\u3053\u3068\u3092\u78ba\u8a8d\uff08\u6b63\u5e38\u306a\u518d\u751f\uff09
\r\n\u3000\u3000\u3000\u3000\u3000DAC#2,#3,#4\u306b\u306f\u4f55\u3082\u51fa\u529b\u3055\u308c\u306a\u3044
\r\n
\r\n\u3000\u30fb5.1ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f 
\r\n\u3000\u3000\u3000\u21d2\u3000\u3000FL\u30c1\u30e3\u30cd\u30eb:  DAC#1 – L
\r\n\u3000\u3000\u3000\u3000\u3000 FR\u30c1\u30e3\u30cd\u30eb:  DAC#2 – L
\r\n\u3000\u3000\u3000\u3000\u3000 FC\u30c1\u30e3\u30cd\u30eb:  DAC#3 – L
\r\n\u3000\u3000\u3000\u3000\u3000 Bass\u30c1\u30e3\u30cd\u30eb:   DAC#1 – R
\r\n\u3000\u3000\u3000\u3000\u3000 RL(SL)\u30c1\u30e3\u30cd\u30eb: DAC#2 – R
\r\n\u3000\u3000\u3000\u3000\u3000 RR(SR)\u30c1\u30e3\u30cd\u30eb: DAC#3 – R
\r\n<\/p>\r\n
\r\n
\u6700\u5f8c\u306b\u30014\u7cfb\u7d71\u306eDAC\u3092\u6307\u5b9a\u3059\u308b\u3068\u3069\u3046\u306a\u308b\u304b\u3092\u8a66\u3057\u3066\u307f\u308b\uff0e
\r\n
\r\n\u3000\u3000snd_soc_botic.serconfig=IIII\r\n<\/pre>\r\n
\r\n\u3000\u30fb\u901a\u5e38\u306e2ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f 
\r\n\u3000\u3000\u3000\u21d2 \u30e1\u30a4\u30f3\u57fa\u677f\u5074DAC#1\u304b\u30892ch STEREO\u3067\u97f3\u304c\u51fa\u308b\u3053\u3068\u3092\u78ba\u8a8d\uff08\u6b63\u5e38\u306a\u518d\u751f\uff09
\r\n\u3000\u3000\u3000\u3000\u3000DAC#2,#3,#4\u306b\u306f\u4f55\u3082\u51fa\u529b\u3055\u308c\u306a\u3044
\r\n
\r\n\u3000\u30fb5.1ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f 
\r\n\u3000\u3000\u3000\u21d2\u3000\u3000FL\u30c1\u30e3\u30cd\u30eb:  DAC#1 – L
\r\n\u3000\u3000\u3000\u3000\u3000 FR\u30c1\u30e3\u30cd\u30eb:  DAC#2 – L
\r\n\u3000\u3000\u3000\u3000\u3000 FC\u30c1\u30e3\u30cd\u30eb:  DAC#3 – L
\r\n\u3000\u3000\u3000\u3000\u3000 Bass\u30c1\u30e3\u30cd\u30eb:   DAC#1 – R
\r\n\u3000\u3000\u3000\u3000\u3000 RL(SL)\u30c1\u30e3\u30cd\u30eb: DAC#2 – R
\r\n\u3000\u3000\u3000\u3000\u3000 RR(SR)\u30c1\u30e3\u30cd\u30eb: DAC#3 – R
\r\n<\/p>\r\n
\r\n
“One more thing”\u3068\u3044\u3046\u4e8b\u3067\u3001
\r\n
\r\n\u3000snd_soc_botic.serconfig=I-II\r\n<\/pre>\r\n
\r\n\u3000\u30fb\u901a\u5e38\u306e2ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f 
\r\n\u3000\u3000\u3000\u21d2 \u30e1\u30a4\u30f3\u57fa\u677f\u5074DAC#1\u304b\u30892ch STEREO\u3067\u97f3\u304c\u51fa\u308b\u3053\u3068\u3092\u78ba\u8a8d\uff08\u6b63\u5e38\u306a\u518d\u751f\uff09
\r\n\u3000\u3000\u3000\u3000\u3000DAC#2,#3,#4\u306b\u306f\u51fa\u529b\u3055\u308c\u306a\u3044
\r\n
\r\n\u3000\u30fb5.1ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f 
\r\n\u3000\u3000\u3000\u21d2\u3000\u3000 FL\u30c1\u30e3\u30cd\u30eb:  DAC#1 – L
\r\n\u3000\u3000\u3000\u3000\u3000\u3000FR\u30c1\u30e3\u30cd\u30eb:  DAC#2 – L
\r\n\u3000\u3000\u3000\u3000\u3000\u3000FC\u30c1\u30e3\u30cd\u30eb:  DAC#4 – L
\r\n\u3000\u3000\u3000\u3000\u3000\u3000Bass\u30c1\u30e3\u30cd\u30eb:   DAC#1 – R
\r\n\u3000\u3000\u3000\u3000\u3000\u3000RL(SL)\u30c1\u30e3\u30cd\u30eb: DAC#2 – R
\r\n\u3000\u3000\u3000\u3000\u3000\u3000RR(SR)\u30c1\u30e3\u30cd\u30eb: DAC#4 – R
\r\n<\/p>\r\n
\r\n
\u4e0a\u8a18\u306e\u7d50\u679c\u3092\u307e\u3068\u3081\u3066\u307f\u308b\uff0e
\r\n
\r\n\u3000\u30fb\u901a\u5e38\u306e2ch PCM\u30aa\u30fc\u30c7\u30a3\u30aa\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f\u3000
\r\n\u3000\u3000\u3000\u21d2\u3000\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u6307\u5b9a\u3055\u308c\u305f\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u306e\u4e00\u756a\u82e5\u3044\u756a\u53f7\u306b\u5bfe\u3057\u3066I2S\u4fe1\u53f7\u3092\u9001\u51fa\u3059\u308b\uff0e
\r\n
\r\n\u3000\u30fb5.1ch \u30de\u30eb\u30c1PCM\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u518d\u751f
\r\n\r\n    \u30de\u30eb\u30c1PCM\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u30c1\u30e3\u30cd\u30eb\u6570\uff086ch\uff09\u306b\u5bfe\u3057\u3066\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u6307\u5b9a\u3055\u308c\u305f\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u306e\u6570\u304c
\r\n\u3000\u3000\u5c11\u306a\u3044\uff083\u672a\u6e80\uff09\u5834\u5408\uff1a 
\r\n
\r\n\u3000\u3000\u3000\u21d2 \u30a2\u30af\u30c6\u30a3\u30d6\u306b\u6307\u5b9a\u3055\u308c\u305f\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u306e\u5168\u3066\u306b\u5bfe\u3057\u30666ch\u3092\u5168\u3066\u5408\u6210\u3057\u305f\u30e2\u30ce\u30e9\u30eb\u30c7\u30fc\u30bf\u3068\u3057\u3066\u9001\u51fa\u3059\u308b\uff0e
\r\n
\r\n    \u30de\u30eb\u30c1PCM\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u30c1\u30e3\u30cd\u30eb\u6570\uff086ch\uff09\u306b\u5bfe\u3057\u3066\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u6307\u5b9a\u3055\u308c\u305f\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u306e\u6570\u304c
\r\n\u3000\u3000\u540c\u6570\u304b\u305d\u308c\u4ee5\u4e0a\u306e\u5834\u5408\uff1a 
\r\n
\r\n\u3000\u3000\u21d2 \u30a2\u30af\u30c6\u30a3\u30d6\u306b\u6307\u5b9a\u3055\u308c\u305f\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u306e\u3046\u3061\u82e5\u3044\u65b9\u306e3\u3064\u306e\u756a\u53f7\u306e\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u306b\u9001\u51fa\u3059\u308b\uff0e
\r\n\u3000\u3000\u3000\u3053\u306e\u5834\u5408\u306e\u97f3\u6e90\u30c7\u30fc\u30bf\u306e\u30c1\u30e3\u30cd\u30eb\u756a\u53f7\u3068\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u306e\u7d44\u307f\u5408\u308f\u305b\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308b\uff0e
\r\n\u3000\u3000\u3000\u4fbf\u5b9c\u4e0a\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u306e\u82e5\u3044\u65b9\u304b\u3089\u9806\u306b\u3001 #A, #B, #C \u3068\u3059\u308b\uff0e
\r\n
\r\n\u3000\u3000PCM ch. #1 (FL)    \u21d2  Serializer #A (I2S : Left channel) 
\r\n\u3000\u3000PCM ch. #2 (FR)    \u21d2  Serializer #B (I2S : Left channel)
\r\n\u3000\u3000PCM ch. #3 (FC)    \u21d2  Serializer #C (I2S : Left channel)
\r\n\u3000\u3000PCM ch. #4 (Bass)     \u21d2  Serializer #A (I2S : Right channel)
\r\n\u3000\u3000PCM ch. #5 (RL:SL)    \u21d2  Serializer #B (I2S : Right channel)
\r\n\u3000\u3000PCM ch. #6 (RR:SR)    \u21d2  Serializer #C (I2S : Right channel)
\r\n
\r\n… \u3068\u3044\u3046\u8a33\u3067\u30015.1ch\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30ebPCM\u97f3\u6e90\u306eBotic\u30c9\u30e9\u30a4\u30d0\u7d4c\u7531\u3067\u306e\u518d\u751f\u306f\u5b8c\u5168\u306b\u671f\u5f85\u3092\u88cf\u5207\u308b\u7d50\u679c\u3068\u306a\u3063\u3066\u3057\u307e\u3063\u305f\uff0e\u6b8b\u5ff5\uff01\uff01\uff01<\/p>\r\n
\r\n
\r\n
\r\n
\u89e3\u6c7a\u7b56\u3092\u63a2\u308b<\/h3>\r\n
\r\n
ESS\u306eES9038PRO\u306e\u3088\u3046\u306a8ch\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30ebDAC\u3067\u3042\u308c\u3070\u3001\u30c1\u30c3\u30d7\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30ec\u30b8\u30b9\u30bf\u306e\u5024\u3092\u66f8\u304d\u63db\u3048\u3066DAC\u30c1\u30e3\u30cd\u30eb\u306e\u30a2\u30b5\u30a4\u30f3\u3092\u81ea\u7531\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3060\u304c\u30012ch DAC\u306b\u3088\u308b\u8907\u6570\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u306f\u305d\u3093\u306a\u5668\u7528\u306a\u4e8b\u306f\u5b9f\u73fe\u4e0d\u53ef\u80fd\u3060\uff0e\u3084\u308c\u308b\u3053\u3068\u306f\u30a2\u30ca\u30ed\u30b0\u51fa\u529b\u30c1\u30e3\u30cd\u30eb\u5074\u3067\u306e\u30c1\u30e3\u30cd\u30eb\u30de\u30c3\u30d4\u30f3\u30b0\u5909\u66f4\u304f\u3089\u3044\u3057\u304b\u306a\u3044\uff0e5.1ch\u518d\u751f\u5c02\u7528\u6a5f\u3068\u3057\u3066\u4f7f\u3046\u306e\u3067\u3042\u308c\u3070\u30a2\u30ca\u30ed\u30b0\u7684\u306b\u4fe1\u53f7\u3092\u9069\u5207\u306a\u30c1\u30e3\u30cd\u30eb\u306b\u30a2\u30b5\u30a4\u30f3\u3059\u308c\u3070\u826f\u3044\u304c\u3001\u3053\u308c\u3067\u306f\u901a\u5e38\u306eStereo\u97f3\u6e90\u306e\u518d\u751f\u3092\u884c\u3063\u305f\u5834\u5408\u3001\u5de6\u30c1\u30e3\u30cd\u30eb\u306e\u97f3\u306fFront Left\u304b\u3089\u51fa\u529b\u3055\u308c\u308b\u306e\u3067\u554f\u984c\u306f\u7121\u3044\u304c\u3001 \u53f3\u30c1\u30e3\u30cd\u30eb\u306e\u97f3\u304c Rear Left \u304b\u3089\u518d\u751f\u3055\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u56f0\u3063\u305f\u3053\u3068\u306b\u306a\u308b\uff0e<\/p>\r\n
\r\n
3\u7cfb\u7d71\u306e\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u304b\u3089\u51fa\u529b\u3055\u308c\u308b3\u7a2e\u985e\u306eI2S\u4fe1\u53f7\u3092\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30ed\u30b8\u30c3\u30af\u7684\u306b\u5f04\u3063\u3066\u30c1\u30e3\u30cd\u30eb\u30a2\u30b5\u30a4\u30f3\u3092\u66f8\u304d\u63db\u3048\u305fI2S\u4fe1\u53f7\u3092\u5410\u304d\u51fa\u3059\u4e8b\u3082\u4e0d\u53ef\u80fd\u3067\u306f\u7121\u3044\u304c\u3001\u3042\u307e\u308a\u306b\u3082\u5927\u639b\u304b\u308a\u306a\u4ed5\u7d44\u307f\u304c\u5fc5\u8981\u306b\u306a\u308a\u73fe\u5b9f\u7684\u3067\u306f\u306a\u3044\u3060\u308d\u3046\uff0e\u3046\u30fc\u3093\u56f0\u3063\u305f\uff0e\uff0e\uff0e<\/p>\r\n
\r\n
\u307e\u3042\u4e00\u756a\u73fe\u5b9f\u7684\u306a\u65b9\u6cd5\u306f\u3001Botic\u30c9\u30e9\u30a4\u30d0\u3068TI\u306eMcASP\u95a2\u9023\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u30b3\u30fc\u30c9\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u8abf\u3079\u3066\u3001\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u304b\u3089\u306eI2S\u4fe1\u53f7\u306e\u30c1\u30e3\u30cd\u30eb\u69cb\u6210\u3092\u5909\u66f4\u3059\u308b\u4e8b\u3060\u308d\u3046\uff0e\u5e78\u3044\u306a\u3053\u3068\u306b\u3001Botic\u30c9\u30e9\u30a4\u30d0\u306e\u4f5c\u8005\u306eMiero\u3055\u3093\u306fBotic\u30c9\u30e9\u30a4\u30d0\u95a2\u9023\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092GiHub\u4e0a\u3067\u516c\u958b\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u308c\u3092\u53c2\u8003\u306b\u81ea\u5206\u5c02\u7528\u306e Botic\u30c9\u30e9\u30a4\u30d0\u3082\u3069\u304d\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u306b\u3057\u3088\u3046\uff0e<\/p>\r\n
\r\n
Botic\u30c9\u30e9\u30a4\u30d0\u3082\u3069\u304d\u306e\u4f5c\u6210\u304c\u4e0a\u624b\u304f\u884c\u3063\u305f\u3089\u3001ESS\u306eES9038PRO\u7528\u306e\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u7248Botic\u30c9\u30e9\u30a4\u30d0\u3084DAC\u30de\u30b9\u30bf\u30e2\u30fc\u30c9\u518d\u751f\u306b\u5bfe\u5fdc\u3057\u305f\u5c02\u7528BeagleBoard\u30b1\u30fc\u30d7\u57fa\u677f\u3082\u4f5c\u6210\u3057\u3066\u898b\u3088\u3046\u3068\u601d\u3046\uff0eBotic\u30c9\u30e9\u30a4\u30d0\u81ea\u4f53\u306f\u5143\u3005ES9018\u3092\u524d\u63d0\u306b\u4f5c\u3089\u308c\u3066\u3044\u305f\u3088\u3046\u306a\u306e\u3067\u3001ES9018\u7528\u306e\u30b3\u30fc\u30c9\u306e\u6b8b\u9ab8\uff08\uff1f\uff09\u304c\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u7f6e\u304b\u308c\u3066\u3044\u308b\uff0e\u3053\u306e\u30b3\u30fc\u30c9\u3092\u53c2\u8003\u306b\u3059\u308b\u3068\u3001ES9038PRO\u7528\u306e\u30c9\u30e9\u30a4\u30d0\u3092\u6bd4\u8f03\u7684\u7c21\u5358\u306b\u4f5c\u308c\u308b\u304b\u3082\u3057\u308c\u306a\u3044\uff0e<\/p>\r\n
\r\n
\u3053\u306e\u8a08\u753b\u306f\u3068\u3066\u3082\u6642\u9593\u304c\u639b\u304b\u308a\u305d\u3046\u306a\u306e\u3067\u4eca\u56de\u306f\u3053\u3053\u307e\u3067\u3068\u3044\u3046\u4e8b\u3067\uff0e\u4e0a\u624b\u304f\u884c\u3063\u305f\u3089\u5185\u5bb9\u3092\u305d\u306e\u3046\u3061\u516c\u958b\u3059\u308b\u4e8b\u306b\u3057\u3088\u3046\uff0e\u6b21\u306e\u9023\u4f11\u4e2d\u306b\u81ea\u5b85\u306e\u5f15\u3063\u8d8a\u3057\u3092\u63a7\u3048\u3066\u3044\u308b\u306e\u3067\u3001\u3044\u3064\u306b\u306a\u3063\u305f\u3089\u8a08\u753b\u306b\u7740\u624b\u3067\u304d\u308b\u306e\u304b\u5168\u304f\u4e0d\u660e\uff0e\uff0e\uff0e<\/p>\r\n
\r\n\u3000\u3000\u30fb“BeagleBone Black with I2S, DSD and SPDIF interface”<\/a> \r\n
\r\n\u3000\u3000\u30fbBotic Latest Driver Source Code<\/a> \r\n
\r\n\u3000\u3000\u30fbSitara Linux Audio DAC Example\r\n
\r\n
\r\n
\u3068\u308a\u3042\u3048\u305aPCM\u518d\u751f\u6642\u306e\u30c1\u30e3\u30cd\u30eb\u30de\u30c3\u30d4\u30f3\u30b0\u554f\u984c\u304c\u89e3\u6c7a\u3057\u305f<\/h4>\r\n
\r\n
\r\n\"PCM\r\n
\r\n PCM\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u518d\u751f\u6642\u306e\u30c1\u30e3\u30cd\u30eb\u30de\u30c3\u30d4\u30f3\u30b0\u304c\u60f3\u5b9a\u5916\uff01\uff01\uff01<\/span>\r\n<\/div>\r\n
\r\n
\u3053\u306e\u554f\u984c\u306e\u89e3\u6c7a\u307e\u3067\u305a\u3044\u3076\u3093\u3068\u6642\u9593\u304c\u639b\u304b\u3063\u3066\u3057\u307e\u3063\u305f\uff0eLinux ALSA\u30e9\u30a4\u30d6\u30e9\u30ea\u95a2\u9023\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3084McASP\u5efb\u308a\u306e\u30b3\u30fc\u30c9\u3092\u6563\u3005\u5f04\u3063\u3066\u307f\u305f\u3082\u306e\u306e\u3001\u30b3\u30fc\u30c9\u304c\u3042\u307e\u308a\u306b\u3082\u8907\u96d1\u3067\u3001DMA\u8ee2\u9001\u6642\u306ePCM\u30c7\u30fc\u30bf\u4fe1\u53f7\u306e\u8ee2\u9001\u9806\u756a\u3092\u5165\u308c\u66ff\u3048\u308b\u3068\u3044\u3046\u3088\u3046\u306a\u8352\u6280\u3092\u691c\u8a0e\u3057\u3066\u307f\u305f\u3082\u306e\u306e\u3001DMA\u8ee2\u9001\u306e\u4ed5\u7d44\u307f\u3092\u5f04\u308b\u3053\u3068\u306f\u96e3\u5ea6\u304c\u9ad8\u3059\u304e\u308b\u306e\u3067\u65e9\u3005\u306b\u8ae6\u3081\u305f\uff0e<\/p>\r\n
\r\n
\u9577\u3044\u9593\u3053\u306e\u554f\u984c\u306e\u89e3\u6c7a\u3092\u8ae6\u3081\u3066\u3044\u305f\u306e\u3060\u304c\u3001\u305f\u307e\u305f\u307eMPD\u95a2\u9023\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u773a\u3081\u3066\u3044\u305f\u3089MPD\u5074\u3067\u51fa\u529b\u30c1\u30e3\u30cd\u30eb\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u9806\u756a\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306a\u3053\u3068\u304c\u5224\u660e\u3057\u305f\uff0e\u4e0a\u624b\u304f\u884c\u3051\u3070\u3053\u306eMPD\u5074\u306e\u30c1\u30e3\u30cd\u30eb\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u5909\u66f4\u3067\u554f\u984c\u304c\u89e3\u6c7a\u3067\u304d\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u8003\u3048\u3001MPD\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306b\u51fa\u529b\u30c1\u30e3\u30cd\u30eb\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u60c5\u5831\u3092\u8ffd\u52a0\u3057\u305f\u3068\u3053\u308d\u3001\u4f55\u3068\u3082\u3042\u3063\u3051\u306a\u304f\u30c1\u30e3\u30cd\u30eb\u30de\u30c3\u30d4\u30f3\u30b0\u554f\u984c\u304c\u89e3\u6c7a\u3057\u3066\u3057\u307e\u3063\u305f\uff0e<\/p>\r\n
\r\n
\u554f\u984c\u306fBotic(McASP)\u5074\u306b\u3042\u3063\u305f\u306e\u3067\u306f\u306a\u304f\u3001MPD\u5074\u306e\u30c1\u30e3\u30cd\u30eb\u30de\u30c3\u30d4\u30f3\u30b0\u306b\u554f\u984c\u304c\u3042\u3063\u305f\u3068\u3044\u3046\u3053\u3068\u3060\uff0e\u3053\u308c\u307e\u3067Botic\u5074\u306e\u30b3\u30fc\u30c9\u3092\u6563\u3005\u5f04\u3063\u3066\u307f\u3066\u3082\u89e3\u6c7a\u3067\u304d\u306a\u304b\u3063\u305f\u306e\u3082\u7121\u7406\u306f\u306a\u3044\uff0e<\/p>\r\n
\r\n
 … \u3068\u8a00\u3046\u308f\u3051\u3067\u3001\u30c1\u30e3\u30cd\u30eb\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001
\r\n
\r\n\uff62LightMPD-Botic\u3067PCM\u306eI2S\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u518d\u751f\u74b0\u5883\u3092\u69cb\u7bc9\u3059\u308b\uff63<\/a><\/b>\r\n
\r\n\u3067\u7d39\u4ecb\u3057\u3066\u3044\u308b\uff0e<\/p>\r\n
\r\n
\r\n
\r\n
DIYINHK XMOS Multi-channel USB to I2S\/DSD<\/h4>\r\n
\r\n
DIYINHK\u306eXMOS\u30c1\u30c3\u30d7\u3092\u4f7f\u7528\u3057\u305f\u4e00\u9023\u306eUSB\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u4e2d\u304b\u3089\u3001\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u51fa\u529b\u306b\u5bfe\u5fdc\u3057\u305f “XMOS Multichannel high-quality USB to\/from I2S\/DSD SPDIF PCB<\/a>” \u3092\u5165\u624b\u3057\u305f\uff0e\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306f 192KHz x 8 ch\u7248\u3092\u9078\u629e\u3057\u305f\uff0e<\/p>\r\n
\r\n
\u5148\u305a\u306f\u8a18\u5ff5\u5199\u771f\u3068\u3044\u3046\u3053\u3068\u3067\uff0e\u8a73\u7d30\u306f\u5f8c\u65e5\u306b\uff0e<\/p>\r\n
\r\n
\r\n\"DIYINHK \r\n
\r\nXMOS\u30c1\u30c3\u30d7\u3084\u30af\u30ed\u30c3\u30afOSC\u95a2\u4fc2\u306e\u914d\u7f6e\u306f\u3053\u3093\u306a\u611f\u3058(XMOS:24.0MHz, DAC 22.5792MHz\/24.5760MHz)<\/span>\r\n
\r\n
\r\n\"DIYINHK\r\n
\r\n\u57fa\u677f\u306e\u30b7\u30eb\u30af\u5370\u5237\u3055\u308c\u305f\u60c5\u5831\u3060\u3051\u304c\u983c\u308a<\/span>\r\n
\r\n<\/div>\r\n
\r\n
I2S\u4fe1\u53f7\u306e\u51fa\u529b\u30d4\u30f3\u306e\u5272\u308a\u5f53\u3066\u306f\u3001ch#1,#2 \u21d2 “DATA”\u3001ch#3,4 \u21d2 “DO2″\u3001ch#5,6 \u21d2 “DO3″\u3001ch#7,8 \u21d2 “DO4″\u3060\u308d\u3046\u304b\uff1f\uff0eESS\u306eES9016\u3092\u4f7f\u3063\u305fDIYINHK\u306e\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30ebDAC\u57fa\u677f “8 Channels 384kHz 32bit ES9016 PCM DXD DSD Audio DAC<\/a>” \u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u5199\u771f\u304b\u3089\u3082\u6050\u3089\u304f\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u3060\u308d\u3046\uff0e<\/p>\r\n
\r\n
\r\n
DIYINHK XMOS Multi-channel USB\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u30c1\u30e3\u30cd\u30eb\u69cb\u6210<\/h4>\r\n
\r\n
DIYINHK XMOS Multi-channel USB\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u304cMac\u306a\u3069\u306e\u30db\u30b9\u30c8\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304b\u3089\u3069\u306e\u3088\u3046\u306b\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u78ba\u304b\u3081\u3066\u307f\u305f\uff0eMac\u306e\u5834\u5408\u3001”Utilities”\u30d5\u30a9\u30eb\u30c0\u306e\u4e2d\u306b\u3042\u308b “Audio MIDI Setup.app” \u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3060\uff0e<\/p>\r\n
\r\n
\r\n
\r\n\"Audio\r\n
\r\n8ch 192KHz\/24bit \u306e\u51fa\u529b\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b<\/span>\r\n
\r\n
\r\n\"Audio\r\n
\r\n\u81ea\u5206\u3067\u51fa\u529b\u30c1\u30e3\u30cd\u30eb\u3092\u81ea\u7531\u306b\u30a2\u30b5\u30a4\u30f3\u53ef\u80fd\u3060<\/span>\r\n
\r\n<\/div>\r\n
\r\n
Mac\u3067\u306e\u9ad8\u54c1\u4f4d\u97f3\u697d\u518d\u751f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u3057\u3066\u6700\u3082\u30dd\u30d4\u30e5\u30e9\u30fc\u306a “Audirvana” \u3067\u3053\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u304c\u3069\u306e\u3088\u3046\u306b\u898b\u3048\u3066\u3044\u308b\u306e\u304b\u78ba\u8a8d\u3057\u3066\u307f\u308b\uff0eAudirvana\u306e\u6700\u65b0\u7248\u3067\u3042\u308bV3.5\u3067\u306f\u51fa\u529b\u5148\u306e\u30bb\u30ec\u30af\u30bf\u30fc\u304c\u30e1\u30a4\u30f3\u753b\u9762\u4e0b\u90e8\u306b\u914d\u7f6e\u3055\u308c\u3001\u51fa\u529b\u5148\u306e\u5207\u308a\u66ff\u3048\u304c\u7c21\u5358\u306b\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\uff0e<\/p>\r\n
\r\n
\r\n
\r\n\"Audirvana \r\n
\r\nAudirvana 3.5\u3067\u306f\u30e6\u30fc\u30b6\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u304c\u5927\u304d\u304f\u5909\u66f4\u3055\u308c\u3066\u3044\u308b<\/span>\r\n
\r\n
\r\n\"DIYINHK\r\nAudirvana 3.5\u3067USB\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u60c5\u5831\u3092\u78ba\u8a8d<\/span>\r\n
\r\n<\/div>\r\n
\r\n
DIYINHK\u306e “XMOS Multi-channel USB to I2S\/DSD” \u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306b\u95a2\u3057\u3066\u306f\u3001\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u306e\u6271\u3044\u306f\u30aa\u30fc\u30bd\u30c9\u30c3\u30af\u30b9\u306a\u306e\u3067\u30c1\u30e3\u30cd\u30eb\u306e\u69cb\u6210\u3067\u82e6\u52b4\u3059\u308b\u3053\u3068\u306f\u306a\u3055\u305d\u3046\u3060\uff0e\u53c2\u8003\u307e\u3067\u306b\u3001Audirvane\u306e “Debug Info” \u60c5\u5831\u3092\u8f09\u305b\u3066\u304a\u304f\uff0e<\/p>\r\n
\r\n
\r\n=================== AUDIO DEVICE ========================\r\n\r\nCoreAudio audio path, buffer I\/O frame size: 512\r\nLocal Audio Engine:\r\nPreferred device: DIYINHK USB Audio 2.0\tModel UID:DIYINHK USB Audio 2.0:20B1:2009\tUID:AppleUSBAudioEngine:DIYINHK:DIYINHK USB Audio 2.0:14230000:1,2\r\n\r\nActive Sample Rate: 192kHz\r\nHog Mode is off\r\n\r\nSelected device:\r\nLocal audio device\r\nID 0x3d DIYINHK USB Audio 2.0\tManufacturer:DIYINHK\r\nModel UID:DIYINHK USB Audio 2.0:20B1:2009\tUID:AppleUSBAudioEngine:DIYINHK:DIYINHK USB Audio 2.0:14230000:1,2\r\n\r\n11 available sample rates up to 192000Hz\r\n8000\r\n11025\r\n12000\r\n16000\r\n32000\r\n44100\r\n48000\r\n88200\r\n96000\r\n176400\r\n192000\r\n\r\nAudio buffer frame size : 58 to 4096 frames\r\nCurrent I\/O buffer frame size : 512\r\nPhysical (analog) volume control: Yes\r\nVirtual (digital) volume control: Yes\r\nAuto-detect MQA devices: No\r\nNot a MQA device, user set to not MQA\r\nDSD capability: DSD via PCM 1.1\r\nPreferred stereo channels L:1 R:2\r\nMultichannel: 8 channels\r\nChannel bitmap: Ox3f, layout:\r\n\tChannel 0 mapped to 0\r\n\tChannel 1 mapped to 1\r\n\tChannel 2 mapped to 2\r\n\tChannel 3 mapped to 3\r\n\tChannel 4 mapped to 4\r\n\tChannel 5 mapped to 5\r\n\tChannel 6 unused\r\n\tChannel 7 unused\r\nNumber of channels: 8\r\nUse as stereo device only: No\r\nSimple stereo device: No\r\n\r\n1 output streams:\r\nNumber of active channels: 8, in 1 stream(s)\r\n\tChannel #0 :Stream 0 channel 0\r\n\tChannel #1 :Stream 0 channel 1\r\n\tChannel #2 :Stream 0 channel 2\r\n\tChannel #3 :Stream 0 channel 3\r\n\tChannel #4 :Stream 0 channel 4\r\n\tChannel #5 :Stream 0 channel 5\r\n\tChannel #6 :Stream 0 channel 6\r\n\tChannel #7 :Stream 0 channel 7\r\n ...\r\n<\/code>\r\n<\/pre>\r\n
\r\n
\u3010\u86c7\u8db3\u3011DIYINHK\u306eXMOS USB\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u30c7\u30b8\u30bf\u30eb\u5165\u529b\u6a5f\u80fd\uff1f<\/h4>\r\n
\r\n
\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb XMOS USB\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u5199\u771f\u306e\u30b7\u30eb\u30af\u5370\u5237\u3055\u308c\u305f\u57fa\u677f\u306e\u60c5\u5831\u304b\u3089\u30018ch\u306e\u30c7\u30b8\u30bf\u30eb\u51fa\u529b\u3060\u3051\u3067\u306f\u306a\u304f\u3069\u3046\u3084\u30898ch\u306e\u30c7\u30b8\u30bf\u30eb\u30a4\u30f3\u30d7\u30c3\u30c8\u3082\u53ef\u80fd\u306a\u4f5c\u308a\u306b\u306a\u3063\u3066\u3044\u308b\u3088\u3046\u3060\uff0eDIYINHK\u306e\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u304c\u3053\u306e\u6a5f\u80fd\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u306f\u5225\u3068\u3057\u3066\u3001”RSTADC”\u30d4\u30f3\u3001”DIO1″\u3001”DIO2″\u3001”DIO3″\u3001”DIO4″ \u306e4\u672c\u306e Digital IO \u7aef\u5b50\u304c\u8a2d\u3051\u3089\u308c\u3066\u3044\u308b\uff0e<\/p>\r\n
\r\n
\u591a\u5206\u3053\u306e4\u672c\u306e\u5165\u51fa\u529b\u30d4\u30f3\u306fADC\u304c\u51fa\u529b\u3059\u308b4\u7d44\u306e\u30c7\u30b8\u30bf\u30eb\u30c7\u30fc\u30bf\u4fe1\u53f7\u3092USB\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u5074\u3078\u9001\u51fa\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3060\u308d\u3046\uff0eMac\u306e”Audio MIDI Setup.app” \u304b\u3089\u306f8ch\u306e\u5165\u529b\u30c7\u30d0\u30a4\u30b9\u3068\u3057\u3066\u3082\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\uff0e<\/p>\r\n
\r\n
\r\n
\r\n\"Multi-Channel \r\n
\r\n8ch\u306e\u5165\u529b\u30c7\u30d0\u30a4\u30b9\u3068\u3057\u3066\u3082\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b<\/span>\r\n
\r\n<\/div>\r\n
\r\n
\r\n
XMOS\u793e\u306e”XCORE-200 Evaluation Kit<\/a>” \u306e\u30da\u30fc\u30b8\u306b\u8f09\u3063\u3066\u3044\u308b\u69d8\u3005\u306a\u60c5\u5831\u3092\u773a\u3081\u3066\u3044\u308b\u3068\u3001XMOS\u306exCORE-200\u30b7\u30ea\u30fc\u30ba\u306f\u30aa\u30fc\u30c7\u30a3\u30aa\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306e\u5f37\u529b\u306a\u52a9\u3063\u4eba\u306b\u306a\u308a\u305d\u3046\u3060\uff0e\u30aa\u30fc\u30c7\u30a3\u30aa\u95a2\u9023\u306e\u69d8\u3005\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u958b\u767a\u30c4\u30fc\u30eb\u3082\u305d\u308c\u3063\u3066\u3044\u308b\u3088\u3046\u306a\u306e\u3067\u3001XMOS\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u8272\u3005\u63a2\u3063\u3066\u307f\u3088\u3046\u3068\u601d\u3046\uff0e<\/p>\r\n
\r\n
\u4eca\u5ea6\u3001”xcore200-explorer-kit” \u3092\u5165\u624b\u3057\u3066\u8272\u3005\u8a66\u3057\u3066\u307f\u3088\u3046\u3068\u601d\u3046\uff0e<\/p>\r\n","protected":false},"excerpt":{"rendered":"BeagleBone\u4e0a\u306eLightMPD-Botic\u306b\u3088\u308b\u30c0\u30a4\u30ec\u30af\u30c8I2S\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u518d\u751f\u74b0\u5883\u304c\u6211\u304c\u5bb6\u306e\u30e1\u30a4\u30f3\u30c7\u30b8\u30bf\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30a4\u30e4\u30fc\u306a\u306e\u3060\u304c\u3001\u8ee2\u8077\u306e\u7aef\u5883\u671f\u306b\u3061\u3087\u3063\u3068\u3057\u305f\u6687\u304c\u3067\u304d\u305f\u306e\u3067\u3001BeagleBone\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7Cape\u30dc\u30fc\u30c9\u3092\u30b9\u30bf\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u30de\u30eb\u30c1\u30c1\u30e3\u30cd\u30eb\u5316\u304c\u7c21\u5358\u306b\u3067\u304d\u308b\u30a2\u30c9\u30aa\u30f3\u30ab\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u3066\u307f\u305f\uff0e","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[713],"tags":[854,856,855],"class_list":["post-7687","post","type-post","status-publish","format-standard","hentry","category-digital-audio","tag-lightmpd-botic","tag-multi-channel-playback","tag-pcm"],"_links":{"self":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/7687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/comments?post=7687"}],"version-history":[{"count":3,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/7687\/revisions"}],"predecessor-version":[{"id":10897,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/7687\/revisions\/10897"}],"wp:attachment":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/media?parent=7687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/categories?post=7687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/tags?post=7687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}