{"id":10,"date":"2008-07-03T10:11:25","date_gmt":"2008-07-03T01:11:25","guid":{"rendered":"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=10"},"modified":"2008-07-03T10:11:25","modified_gmt":"2008-07-03T01:11:25","slug":"10","status":"publish","type":"post","link":"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=10","title":{"rendered":"SDRAM\u3092\u4f7f\u3063\u305fMemory Buffer DAI, SDRAM_DAI"},"content":{"rendered":"<p>\u6628\u5e74\u79cb\u306bPS3\u3068TA-DA3200ES\u3092\u5c0e\u5165\u3057\u3066SACD\u30de\u30eb\u30c1\u306e\u4e16\u754c\u306b\u30cf\u30de\u30ea\u3001\u307e\u308b\u3067\u5225\u4e16\u754c\u306e\u7d20\u6674\u3089\u3057\u3044\u97f3\u697d\u4f53\u9a13\u3092\u697d\u3057\u3093\u3067\u3044\u305f\u308f\u3051\u3067\u3059\u304c\u3001\u3084\u306f\u308a\u4f4e\u4fa1\u683cAV\u30a2\u30f3\u30d7\u3067\u3059\u3068\u4f55\u304b\u3057\u3089\u7269\u8db3\u308a\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u3002\u3068\u3044\u3046\u7d50\u8ad6\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u304b\u3068\u3044\u3063\u3066\u3001SACD\u30de\u30eb\u30c1\u3092\u30d4\u30e5\u30a2\u7528\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u8907\u6570\u53f0\u3067\u697d\u3057\u3080\u3088\u3046\u306a\u8ca1\u529b\u3082\u6839\u6027\u3082\u3042\u308a\u307e\u305b\u3093\uff08\uff3e\uff3e\uff1b\uff1b<\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u3053\u3053\u306e\u3068\u3053\u308d\u3057\u3070\u3089\u304f\u306f2ch\u30aa\u30fc\u30c7\u30a3\u30aa\u306b\u623b\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u3067\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u3068\u3057\u3066\u306f\u6d41\u308c\u3067PS3\u3092\u4f7f\u3063\u3066\u304d\u307e\u3057\u305f\u304c\u3001\uff08\u6700\u8fd1\u767a\u58f2\u306eSACD\u975e\u5bfe\u5fdc\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u3069\u3046\u304b\u77e5\u308a\u307e\u305b\u3093\u304c\uff09\u3053\u308c\u304cCD\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u3057\u3066\u4e88\u60f3\u5916\u306b\u97f3\u304c\u975e\u5e38\u306b\u826f\u304f\u3001\u624b\u653e\u305b\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\uff08\u30d5\u30a1\u30f3\u306e\u97f3\u304c\u3046\u308b\u3055\u3044\u3067\u3059\u304c\u30d8\u30c3\u30c9\u30d5\u30a9\u30f3\u8996\u8074\u6642\u306b\u306f\u95a2\u4fc2\u306a\u3057\uff01\uff09\u3002<\/p>\n<p>CD\u518d\u751f\u3067\u306f\u3001\u5185\u90e8\u30672\u500d\uff0888.2k\uff09\u3001\u3042\u308b\u3044\u306f4\u500d\uff08176.4k\uff09\u306b\u30a2\u30c3\u30d7\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3057\u3066S\/PDIF\u304b\u3089\u51fa\u529b\u3067\u304d\u308b\u3093\u3067\u3059\u304c\uff08\u8981\u306f\u30c7\u30b8\u30bf\u30eb\u30d5\u30a3\u30eb\u30bf\u3067\u3059\uff09\u3001\u3053\u308c\u3092\u81ea\u4f5c\u306ePCM179*\u7cfbDAC\u306b\u5165\u308c\u3066\u3084\u308b\u3068\u3001\u672c\u5f53\u306b\u97f3\u304c\u826f\u3044\u306e\u3067\u3001\u3053\u3053\u306e\u3068\u3053\u308d\u30e1\u30a4\u30f3\u306e\u74b0\u5883\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u30b8\u30c3\u30bf\u306e\u5bfe\u7b56\u306f\u3057\u305f\u3044\u306e\u3067\u3059\u304c\u3001<a href=\"http:\/\/homepage2.nifty.com\/electrart\/DAI\/dai.htm\">\u6628\u5e74\u4f5c\u3063\u305f\u30e1\u30e2\u30eaDAI\u57fa\u677f<\/a>\u306f44.1kHz\u5c02\u7528\u3067\u3059\u306e\u3067\u3001PS3\u306e\u30a2\u30c3\u30d7\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3092OFF\u306b\u3057\u306a\u3044\u3068\u4f7f\u3048\u307e\u305b\u3093\uff08\u3057\u304b\u3082PS3\u306f\u518d\u751f\u505c\u6b62\u72b6\u614b\u306748kHz\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u5384\u4ecb\u3067\u3059\uff09\u300224bit\/96kHz\u306e\u30bd\u30fc\u30b9\u3082\u5897\u3048\u3066\u304d\u305f\u95a2\u4fc2\u3067\u3001\u30e1\u30e2\u30ea\u30fcDAI\u95a2\u9023\u3067\u306f\u3001\u30de\u30eb\u30c1\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u5bfe\u5fdc\u3067\u3001\u5468\u6ce2\u6570\u81ea\u52d5\u8a8d\u8b58\u306e\u4f7f\u3044\u52dd\u624b\u306e\u826f\u3044\u3082\u306e\u304c\u6b32\u3057\u304f\u306a\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u6642\u9593\u3092\u898b\u3064\u3051\u3066\u30b3\u30c4\u30b3\u30c4\u8a2d\u8a08\u3057\u307e\u3057\u305f\u3002\u3069\u3046\u305b\u306a\u308932kHz\u304b\u3089192KHz\u307e\u3067\u3059\u3079\u3066\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u306b\u81ea\u52d5\u8ffd\u5f93\u3067\u30e1\u30e2\u30ea\u30fc\u5bb9\u91cf\u306e\u5927\u304d\u306a\u3082\u306e\u3092\u3001\u3068\u3044\u3046\u8981\u6c42\u4ed5\u69d8\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u3092\u4f5c\u308a\u307e\u3057\u305f\u3002<\/p>\n<ol>\n<li>32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz\u306b\u5bfe\u5fdc\u3002<strong>\u5468\u6ce2\u6570\u306f\u81ea\u52d5\u8a8d\u8b58<\/strong>\u3002<\/li>\n<li>\u6c34\u6676\u767a\u632f\u5668\u306f44.1kHz\u7cfb\u7528\u306848kHz\u7cfb\u7528\u306e2\u500b\u3092\u642d\u8f09\u3002<strong>\u4f7f\u308f\u306a\u3044\u65b9\u306f\u81ea\u52d5\u3067\u51fa\u529b\u505c\u6b62<\/strong>\u3002<\/li>\n<li>192kHz\u307e\u3067\u5bfe\u5fdc\u3059\u308b\u306e\u3067\u3001\u30e1\u30e2\u30ea\u306f\u5927\u5bb9\u91cf\u304c\u5fc5\u8981\u2192<strong>64Mbit\u306eSDRAM<\/strong>\u3092\u4f7f\u3044\uff0832Mbit\u5206\u3092\u4f7f\u7528\uff09FPGA\u3067\u5236\u5fa1\u3002<\/li>\n<li><strong>\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u3068\u30e1\u30e2\u30ea\u30fc\u30dd\u30a4\u30f3\u30bf\u3092LED\u8868\u793a\u53ef\u80fd<\/strong>\u306b\u3059\u308b\u3002<\/li>\n<\/ol>\n<p>\u00a0<a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/sdram_dai.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/th_sdram_dai.jpg\" alt=\"\" width=\"320\" height=\"240\" \/><\/a><\/p>\n<p>\u00a0<em>\u53f3\u7aef\u306eLSI\u304cSDRAM\u3002\u305d\u306e\u5de6\u306fXILIX\u306eFPGA\u3002\u305d\u306e\u4e0b\u306f\u3001\u53f3\u304b\u308922.5792MHz\u306824.576MHz\u306e\u767a\u632f\u5668\u3002\u5165\u529bS\/PDIF\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u306b\u8ffd\u5f93\u3057\u3066\u4f7f\u308f\u306a\u3044\u65b9\u306f\u81ea\u52d5\u3067\u51fa\u529b\u3092\u505c\u6b62\u3059\u308b\u3002<\/em><\/p>\n<p><em>\u53d7\u4fe1\u3057\u305fS\/PDIF\u4fe1\u53f7\u3092CS8416\u304b\u3089AES\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u51fa\u529b\u3057\u3066FPGA\u3067\u5404\u7a2e\u30c1\u30e3\u30cd\u30eb\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u8aad\u3093\u3067\u51e6\u7406\u3092\u884c\u3046\u3002<\/em><\/p>\n<p>\u00a0<em>\u30aa\u30fc\u30c7\u30a3\u30aa\u7528\u3086\u3048\u3001\u901f\u5ea6\u306f\u305f\u304b\u304c\u77e5\u308c\u3066\u3044\u308b\u306e\u3067\u3001SDRAM\u306fPC\u7528\u306eDDR2\u30bf\u30a4\u30d7\u3067\u306f\u306a\u304f\u3001SDR\u3068\u3057\u305f\u3002<\/em><\/p>\n<p>\u00a0<\/p>\n<p>\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u3068\u3001Read \/ Write\u30e1\u30e2\u30ea\u30fc\u30dd\u30a4\u30f3\u30bf\u306e\u76f8\u5bfe\u4f4d\u7f6e\u95a2\u4fc2\u3092\u77e5\u308b\u305f\u3081\u306e<strong>LED\u57fa\u677f\u3092\u5225\u306b\u7528\u610f\u3057\u3066\u3042\u308a<\/strong>\u3001\u30bb\u30c3\u30c8\u3068\u3057\u3066\u30b1\u30fc\u30b7\u30f3\u30b0\u3059\u308b\u3068\u304d\u306b\u306f\u3001\u30d5\u30ed\u30f3\u30c8\u30d1\u30cd\u30eb\u5074\u304b\u3089\u898b\u3048\u308b\u3088\u3046\u306b\u88c5\u7740\u3059\u308c\u3070\u4fbf\u5229\u3067\u898b\u6804\u3048\u304c\u826f\u3044\u3068\u601d\u3044\u307e\u3059\uff08LED\u5236\u5fa1\u7528\u306e\u4fe1\u53f7\u306f\u57fa\u677f\u304b\u3089\u51fa\u3066\u3044\u307e\u3059\uff09\u3002<\/p>\n<p>\u30e1\u30e2\u30ea\u30fc\u30dd\u30a4\u30f3\u30bf\u306e\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u3068\u3057\u3066\u3001LED\u57fa\u677f\u306b\u306f\u5186\u5468\u72b6\u306bLED\u3092\u90fd\u54088\u500b\u914d\u7f6e\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u30e1\u30e2\u30ea\u30fc\u306e\u8aad\u51fa\u3057\u30dd\u30a4\u30f3\u30bf\u306e\u4f4d\u7f6e\u304c0\u756a\u5730\u306b\u3042\u308b\u3068\u304d\u306e\u66f8\u8fbc\u307f\u30dd\u30a4\u30f3\u30bf\u306e\u3042\u308b\u756a\u5730\u3092\u3001\uff080.5\u30e1\u30ac\u306e\u7bc4\u56f2\u3067\uff09\u5f53\u8a72LED\u304c\u5149\u308b\u3053\u3068\u3067\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30e1\u30e2\u30ea\u30fc\u306b\u306f\u5168\u90e8\u30674\u30e1\u30ac\u756a\u5730\u3042\u308a\u3001\u4e00\u756a\u4e0b\u306eLED\u30920\u756a\u5730\u3092\u793a\u3059LED\u3068\u3057\u3001\u6642\u8a08\u56de\u308a\u306b0.5\u30e1\u30ac\u756a\u5730\u305a\u3064\u96e2\u3057\u305f\u3068\u3053\u308d\u306bLED\u3092\u914d\u7f6e\u3057\u307e\u3059\u3002<\/p>\n<p>\u5149\u308bLED\u304c\u4e00\u756a\u4e0b\u306eLED\u306b\u8fd1\u3065\u304f\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u66f8\u8fbc\u307f\u901f\u5ea6\uff08\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5074\uff09\u3088\u308a\u3082\u8aad\u51fa\u3057\u901f\u5ea6\uff08SDRAM_DAI\u57fa\u677f\u4e0a\u306e\u6c34\u6676\u767a\u632f\u5668\u5074\uff09\u306e\u65b9\u304c\u65e9\u304f\u3001\u30e1\u30e2\u30ea\u30fc\u304c\u30a2\u30f3\u30c0\u30fc\u30e9\u30f3\uff08\u7a7a\uff09\u306b\u306a\u308b\u304b\u3001\u3042\u308b\u3044\u306f\u305d\u306e\u9006\u3067\u30aa\u30fc\u30d0\u30fc\u30e9\u30f3\uff08\u6e80\u676f\uff09\u306b\u306a\u308b\u304b\u3068\u3044\u3046\u4e8b\u3092\u793a\u3057\u307e\u3059\uff08\u5de6\u56de\u308a\u3067\u8fd1\u3065\u304f\u5834\u5408\u306f\u30a2\u30f3\u30c0\u30fc\u30e9\u30f3\u3001\u53f3\u56de\u308a\u3067\u8fd1\u3065\u304f\u5834\u5408\u306f\u30aa\u30fc\u30d0\u30fc\u30e9\u30f3\uff09\u3002<\/p>\n<p>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/led_pcb.jpg\" alt=\"\" width=\"320\" height=\"193\" \/><\/p>\n<p><em>LED\u57fa\u677f\u306f\u3001\u5de6\u534a\u5206\u304c\u30e1\u30e2\u30ea\u30fc\u30dd\u30a4\u30f3\u30bf\u90e8\u3001\u53f3\u534a\u5206\u304c\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u8868\u793a\u90e8\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/em><\/p>\n<p><em>\u5de6\u5074\u306e8\u500b\u306eLED\u306f\u3001\u5ea7\u6a19\u306e\u8a08\u7b97\u3092sin, cos\u3092\u4f7f\u3063\u3066\u771f\u9762\u76ee\u306b\u884c\u3044\u3001\u5186\u5468\u4e0a\u306b\u914d\u8a2d\u3057\u3066\u3042\u308b\u3002<\/em><\/p>\n<p><em><\/em><\/p>\n<p><em><\/em><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u5186\u5468\u306eTOP\u3001PT4\u3068\u30b7\u30eb\u30af\u5370\u5237\u3055\u308c\u305f\u4f4d\u7f6e\u306eLED\u304c\u70b9\u706f\u3057\u3066\u3044\u308b\u3068\u304d\u306b\u306f\u3001\u8aad\u51fa\u3057\u306e\u756a\u5730\u304c0\u756a\u5730\u306e\u3068\u304d\u306b\u306f\u3001\u66f8\u8fbc\u307f\u306e\u756a\u5730\u306f\u30e1\u30e2\u30ea\u306e\u771f\u3093\u4e2d\u4ed8\u8fd1\u306b\u3042\u308a\u3001\u6700\u3082\u5b89\u5168\u306a\u76f8\u5bfe\u95a2\u4fc2\u306b\u3042\u308b\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u304c\u4f4e\u3044\u30e1\u30c7\u30a3\u30a2\u3092\u518d\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u304b\u3089\u4fe1\u53f7\u304c\u51fa\u529b\u3055\u308c\u3066\u304b\u3089\u5b9f\u969b\u306b\u97f3\u304c\u51fa\u308b\u307e\u3067\u306e\u6642\u9593\u304c\u9577\u304f\u3001\u4f7f\u3044\u52dd\u624b\u304c\u60aa\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u96fb\u6e90\u7acb\u4e0a\u3052\u521d\u671f\u72b6\u614b\u3067\u3001\u8aad\u51fa\u3057\u306e\u756a\u5730\u306b\u5bfe\u3057\u3066\u3069\u308c\u3060\u3051\u5148\u884c\u3057\u305f\u756a\u5730\u304b\u3089\u66f8\u8fbc\u307f\u3092\u958b\u59cb\u3059\u308b\u304b\u3092\u30013\u6bb5\u968e\u3067\u9078\u629e\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u304c32kHz\u304b\u308996kHz\u307e\u3067\u306f\u8aad\u51fa\u3057\u756a\u5730\u306b\u5bfe\u3057\u30661\u30e1\u30ac\u756a\u5730\u9032\u3093\u3060\u4f4d\u7f6e\u304b\u3089\u66f8\u8fbc\u307f\u3092\u958b\u59cb\u3059\u308b\u300cMIDDLE\u300d\u30e2\u30fc\u30c9\u306b\u52a0\u3048\u3066\u30010.5\u30e1\u30ac\u756a\u5730\u9032\u3093\u3060\u4f4d\u7f6e\u304b\u3089\u958b\u59cb\u3059\u308b\u300cSHALLOW\u300d\u30011.5\u30e1\u30ac\u756a\u5730\u9032\u3093\u3060\u4f4d\u7f6e\u304b\u3089\u958b\u59cb\u3059\u308b\u300cDEEP\u300d\u306e3\u30e2\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u304c176.4kHz\u3068192kHz\u3067\u306f\u3001\u8aad\u51fa\u3057\u756a\u5730\u306b\u5bfe\u3057\u30662\u30e1\u30ac\u756a\u5730\u9032\u3093\u3060\u4f4d\u7f6e\u304b\u3089\u66f8\u8fbc\u307f\u3092\u958b\u59cb\u3059\u308b\u300cMIDDLE\u300d\u30e2\u30fc\u30c9\u306b\u52a0\u3048\u3066\u30011\u30e1\u30ac\u756a\u5730\u9032\u3093\u3060\u4f4d\u7f6e\u304b\u3089\u958b\u59cb\u3059\u308b\u300cSHALLOW\u300d\u30013\u30e1\u30ac\u756a\u5730\u9032\u3093\u3060\u4f4d\u7f6e\u304b\u3089\u958b\u59cb\u3059\u308b\u300cDEEP\u300d\u306e3\u30e2\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u00a0\u624b\u6301\u3061\u306e\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u3067\u9577\u6642\u9593\u4f7f\u7528\u3057\u305f\u6642\u306b\u3001\u70b9\u706f\u3059\u308bLED\u304c\u3069\u3061\u3089\u306e\u56de\u8ee2\u65b9\u5411\u306b\u79fb\u52d5\u3059\u308b\u304b\u306b\u3088\u3063\u3066\u3001\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u00a0\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u306fS\/PDIF\u4fe1\u53f7\u306b\u542b\u307e\u308c\u308b\u30c1\u30e3\u30cd\u30eb\u30b9\u30c6\u30fc\u30bf\u30b9\u4fe1\u53f7\u3068\u3044\u3046\u90e8\u5206\u306b\u793a\u3055\u308c\u308b\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u60c5\u5831\u3092\u8aad\u307f\u53d6\u3063\u3066\u5224\u65ad\u3057\u3066\u3044\u307e\u3059\u3002S\/PDIF\u3067\u306f32kHz\u304b\u308948kHz\u307e\u3067\u306f\u3053\u306e\u90e8\u5206\u306f\u898f\u683c\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u300188.2kHz\u304b\u3089192kHz\u307e\u3067\u306f\u660e\u78ba\u306b\u306f\u898f\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u672c\u57fa\u677f\u3067\u306f\u300188.2kHz\u3068176.4kHz\u306e\u30c1\u30e3\u30cd\u30eb\u30b9\u30c6\u30fc\u30bf\u30b9\uff08\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u60c5\u5831\uff09\u306fSONY\u306ePS3\u3068\u5408\u308f\u305b\u307e\u3057\u305f\u3002S\/PDIF\u306e\u63d0\u5531\u8005\u306e1\u793e\u306fSONY\u3067\u3059\u306e\u3067\u3001\u4ed6\u793e\u3082\u8ffd\u5f93\u3059\u308b\u3068\u4e88\u60f3\u3055\u308c\u307e\u3059\uff08\u3053\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u3067\u51fa\u529b\u3059\u308b\u6a5f\u5668\u81ea\u4f53\u3001\u3042\u307e\u308a\u898b\u639b\u3051\u307e\u305b\u3093\u304c\u30fb\u30fb\u30fb\uff09\u3002<\/p>\n<p><strong>96kHz\u3068192kHz\u306b\u3064\u3044\u3066\u306f\u3001\u8907\u6570\u306e\u6a5f\u5668\u3067\u81ea\u52d5\u8a8d\u8b58\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d<\/strong>\u3057\u3066\u304a\u308a\uff08\u8a73\u3057\u3044\u6a5f\u7a2e\u540d\u306f<a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/SDRAM_DAI.pdf\" target=\"_blank\">\u8aac\u660e\u66f8<\/a>\u53c2\u7167\uff09\u300188.2kHz\u304b\u3089192kHz\u307e\u3067\u306e4\u3064\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u3067\u306f\u3001\u3082\u3057\u3082\u81ea\u52d5\u3067\u8ffd\u5f93\u3057\u306a\u3044\u5834\u5408\u306b\u306f\u3001\u5f37\u5236\u7684\u306b\u3042\u308f\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306eLED\u57fa\u677f\u753b\u50cf\u306f\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u5225\u753b\u50cf\u304c\u958b\u304d\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/441mid.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/th_441mid.jpg\" alt=\"\" width=\"160\" height=\"120\" \/><\/a><\/p>\n<p><em>fs=44.1kHz\u3067\u300cMIDDLE\u300d\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408<\/em><\/p>\n<p><em>\u66f8\u8fbc\u307f\u756a\u5730\u306f1\u30e1\u30ac\u756a\u5730\u304b\u3089\u958b\u59cb<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/441dep.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/th_441dep.jpg\" alt=\"\" width=\"160\" height=\"120\" \/><\/a><\/p>\n<p><em>\u540c\u3058\u304f\u300cDEEP\u300d\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408<\/em><\/p>\n<p><em>\u66f8\u8fbc\u307f\u756a\u5730\u306f1.5\u30e1\u30ac\u756a\u5730\u304b\u3089\u958b\u59cb<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/441sha.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/th_441sha.jpg\" alt=\"\" width=\"160\" height=\"120\" \/><\/a><\/p>\n<p><em>\u540c\u3058\u304f\u300cSHALLOW\u300d\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408<\/em><\/p>\n<p><em>\u66f8\u8fbc\u307f\u756a\u5730\u306f0.5\u30e1\u30ac\u756a\u5730\u304b\u3089\u958b\u59cb<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p>fs=48kHz\u306e\u30bd\u30d5\u30c8\u518d\u751f\u6642\u4ee5\u5916\u3067\u3082\u3001PS3\u306e\u518d\u751f\u505c\u6b62\u6642\u3084\u3001\u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u30d7\u30ec\u30fc\u30e4\u30fc\u306a\u3069\u306e\u96fb\u6e90\u6295\u5165\u5f8c\u30c7\u30d5\u30a9\u30eb\u30c8\u72b6\u614b\u3067\u306f\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u304c48kHz\u306e\u72b6\u614b\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u300148kHz\u3068\u305d\u306e\u307b\u304b\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u3068\u306e\u79fb\u884c\u6642\u306b\u30e1\u30e2\u30ea\u30fc\u30d0\u30c3\u30d5\u30a1DAI\u306e\u5468\u6ce2\u6570\u304c\u81ea\u52d5\u8ffd\u5f93\u3059\u308b\u306e\u306f\u7279\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<p><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/48mid.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/th_48mid.jpg\" alt=\"\" width=\"160\" height=\"120\" \/><\/a><\/p>\n<p><em>PS3\u306fCD\u3092\u518d\u751f\u72b6\u614b\u304b\u3089\u505c\u6b62\u3057\u305f\u3060\u3051\u3067fs\u304c44.1kHz\uff08or 88.2kHz\u3001or 176.4kHz\uff09\u304b\u308948kHz\u306b\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u3002<\/em><\/p>\n<p><em>\u5199\u771f\u306f\u300cMIDDLE\u300d\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u3002<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/1764mid.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/th_1764mid.jpg\" alt=\"\" width=\"160\" height=\"120\" \/><\/a><\/p>\n<p><em>PS3\u306f176.4kHz\u3067CD\u518d\u751f\u304c\u53ef\u80fd\u3002\u30e1\u30e2\u30ea\u30fc\u30dd\u30a4\u30f3\u30bf\u30fc\u3092\u300cMIDDLE\u300d\u306b\u8a2d\u5b9a\u3057\u3066\u3001\u66f8\u8fbc\u307f\u30a2\u30c9\u30ec\u30b9\u30922\u30e1\u30ac\u756a\u5730\u304b\u3089\u958b\u59cb\u3059\u308b\u3088\u3046\u306b\u3057\u305f\u5834\u5408\u3002<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/1764dep.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/th_1764dep.jpg\" alt=\"\" width=\"160\" height=\"120\" \/><\/a><\/p>\n<p><em>\u540c\u3058\u304f\u300cDEEP\u300d\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408<\/em><\/p>\n<p><em>\u66f8\u8fbc\u307f\u756a\u5730\u306f3\u30e1\u30ac\u756a\u5730\u304b\u3089\u958b\u59cb<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/1764sha.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/th_1764sha.jpg\" alt=\"\" width=\"160\" height=\"120\" \/><\/a>\u00a0<\/p>\n<p><em>\u540c\u3058\u304f\u300cSHALLOW\u300d\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408<\/em><\/p>\n<p><em>\u66f8\u8fbc\u307f\u756a\u5730\u306f1\u30e1\u30ac\u756a\u5730\u304b\u3089\u958b\u59cb<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p>\u3057\u3064\u3053\u3044\u3067\u3059\u304c\u3001\u3064\u3044\u3067\u306b88.2kHz\u306e\u69d8\u5b50\u3082\u30fb\u30fb\u30fb\uff08\uff3e\uff3e\uff1b\uff1b<\/p>\n<p><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/882mid.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/th_882mid.jpg\" alt=\"\" width=\"160\" height=\"120\" \/><\/a><\/p>\n<p><em>PS3\u306f88.2kHz\u3067\u306eCD\u518d\u751f\u3082\u53ef\u80fd\u3002\u30e1\u30e2\u30ea\u30fc\u30dd\u30a4\u30f3\u30bf\u30fc\u3092\u300cMIDDLE\u300d\u306b\u8a2d\u5b9a\u3057\u3066\u3001\u66f8\u8fbc\u307f\u30a2\u30c9\u30ec\u30b9\u30921\u30e1\u30ac\u756a\u5730\u304b\u3089\u958b\u59cb\u3059\u308b\u3088\u3046\u306b\u3057\u305f\u5834\u5408\u3002<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/882dep.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/th_882dep.jpg\" alt=\"\" width=\"160\" height=\"120\" \/><\/a><\/p>\n<p><em>\u540c\u3058\u304f\u300cDEEP\u300d\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408<\/em><\/p>\n<p><em>\u66f8\u8fbc\u307f\u756a\u5730\u306f1.5\u30e1\u30ac\u756a\u5730\u304b\u3089\u958b\u59cb&#8212;-<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/882sha.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200807\/th_882sha.jpg\" alt=\"\" width=\"160\" height=\"120\" \/><\/a><\/p>\n<p><em>\u540c\u3058\u304f\u300cSHALLOW\u300d\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408<\/em><\/p>\n<p><em>\u66f8\u8fbc\u307f\u756a\u5730\u306f0.5\u30e1\u30ac\u756a\u5730\u304b\u3089\u958b\u59cb&#8212;-<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p>\u00a0176.4kHz\u306888.2kHz\u3067\u306f\u300cMIDDLE\u300d\u3067\u7d041.4\u79d2\uff08192kHz\u306896kHz\u3082\u5927\u4f53\u540c\u3058\uff09\u300144.1kHz\u3067\u306f\u300cMIDDLE\u300d\u3067\u7d042.8\u79d2\uff0848kHz\u3082\u5927\u4f53\u540c\u3058\uff09\u306e\u51fa\u97f3\u9045\u308c\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u307e\u306b\u9332\u308a\u305f\u3081\u305fBD\u306a\u3069\u3092\u8996\u8074\u3059\u308b\u3068\u304d\u306b\u97f3\u3060\u3051\u9045\u308c\u308b\u306e\u304c\u56f0\u308a\u3082\u306e\u3067\u3059\u306e\u3067\u3001\u30e1\u30e2\u30ea\u2015\u30d0\u30c3\u30d5\u30a1\u306e\u30d0\u30a4\u30d1\u30b9\u30e2\u30fc\u30c9\u3082\u3064\u3051\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001\u30e1\u30c7\u30a3\u30a2\u30d7\u30ec\u30fc\u30e4\u5074\u3067DOLBY DIGITAL\u3084DTS\u51fa\u529b\u306e\u7981\u6b62\u3092\u5fd8\u308c\u3066DAC\u3078\u3064\u306a\u3044\u3067\u3044\u308b\u3068\u3073\u3063\u304f\u308a\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3001PCM\u4fe1\u53f7\u4ee5\u5916\u306e\u5165\u529b\u304c\u6765\u305f\u6642\u306b\u306f\u51fa\u529b\u3092\u81ea\u52d5\u7684\u306b\u30df\u30e5\u30fc\u30c8\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u30d4\u30e5\u30a2\u30aa\u30fc\u30c7\u30a3\u30aa\u3068\u3057\u3066\u306e\u3053\u3060\u308f\u308a\u306f\u3001\u4f7f\u308f\u306a\u3044\u65b9\u306e\u6c34\u6676\u767a\u632f\u5668\u51fa\u529b\u3092\u6b62\u3081\u3066\u4e0d\u8981\u306a\u30ce\u30a4\u30ba\u306e\u767a\u751f\u3092\u672a\u7136\u306b\u9632\u6b62\u3059\u308b\u3088\u3046\u306b\u3057\u305f\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n<p>\u00a0\u3053\u308c\u3067CORD\/DAC64\u307f\u305f\u3044\u306aDAC\u3092\u81ea\u4f5c\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\uff08\u7b11\uff09\u3002<\/p>\n<ul>\n<li><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/SDRAM_DAI.pdf\" target=\"_blank\">SDRAM\u30e1\u30e2\u30ea\u30fcDAI\u306e\u53d6\u6271\u8aac\u660e\u66f8<\/a><\/li>\n<li><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/schema.pdf\" target=\"_blank\">\u30dc\u30fc\u30c9\u56de\u8def\u56f3<\/a><\/li>\n<li><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/pattern1.pdf\" target=\"_blank\">\u90e8\u54c1\u9762\u30d1\u30bf\u30fc\u30f3\u56f3<\/a><\/li>\n<li><a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/pattern2.pdf\" target=\"_blank\">\u534a\u7530\u9762\u30d1\u30bf\u30fc\u30f3\u56f3<\/a><\/li>\n<\/ul>\n<p>\u8ca9\u58f2\u30da\u30fc\u30b8\u306f<a href=\"http:\/\/fpga.cool.coocan.jp\/electrart\/sdram_dai.html\" target=\"_self\">\u3053\u3061\u3089<\/a>\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6628\u5e74\u79cb\u306bPS3\u3068TA-DA3200ES\u3092\u5c0e\u5165\u3057\u3066SACD\u30de\u30eb\u30c1\u306e\u4e16\u754c\u306b\u30cf\u30de\u30ea\u3001\u307e\u308b\u3067\u5225\u4e16\u754c\u306e\u7d20\u6674\u3089\u3057\u3044\u97f3\u697d\u4f53\u9a13\u3092\u697d\u3057\u3093\u3067\u3044\u305f\u308f\u3051\u3067\u3059\u304c\u3001\u3084\u306f\u308a\u4f4e\u4fa1\u683cAV\u30a2\u30f3\u30d7\u3067\u3059\u3068\u4f55\u304b\u3057\u3089\u7269\u8db3\u308a\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u3002\u3068\u3044\u3046\u7d50\u8ad6\u306b\u306a\u308a\u307e\u3057\u305f\u3002 &hellip; <a href=\"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=10\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;SDRAM\u3092\u4f7f\u3063\u305fMemory Buffer DAI, SDRAM_DAI&#8221; \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":[3,9,11],"tags":[],"class_list":["post-10","post","type-post","status-publish","format-standard","hentry","category-sdram-memory-dai-receiver","category-distribution","category-hardware-debug"],"_links":{"self":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/10","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=10"}],"version-history":[{"count":0,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/10\/revisions"}],"wp:attachment":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}