{"id":264,"date":"2010-11-28T20:20:50","date_gmt":"2010-11-28T11:20:50","guid":{"rendered":"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=264"},"modified":"2010-11-28T20:20:50","modified_gmt":"2010-11-28T11:20:50","slug":"ipad%e3%81%aeusb%e5%87%ba%e5%8a%9b","status":"publish","type":"post","link":"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=264","title":{"rendered":"iPad\u306eUSB\u51fa\u529b"},"content":{"rendered":"<p>\u30ab\u30e1\u30e9\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30fb\u30ad\u30c3\u30c8\u3068\u3044\u3046\u30a2\u30af\u30bb\u30b5\u30ea\u30fc\u304c\u3042\u308c\u3070\u3001iPad\u306eUSB\u30db\u30b9\u30c8\u6a5f\u80fd\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002USB DUAL AUDIO\u57fa\u677f\u306b\u7e4b\u3044\u3067\u6a19\u6e96AUDIO\u30af\u30e9\u30b9\u306b\u3088\u308b\u518d\u751f\u304c\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u307e\u305a\u306fbit\u30d1\u30fc\u30d5\u30a7\u30af\u30c8\u304b\u3069\u3046\u304b\u3092\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>1kHz\u6b63\u5f26\u6ce2\u306eflac\u30d5\u30a1\u30a4\u30eb(24bit\/88.2kHz)\u3092\u7528\u610f\u3057\u3066\u3001Flac Player\u3078\u767b\u9332\u3057\u3066USB DUAL AUDIO\u57fa\u677f\u304b\u3089\u518d\u751f\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u305d\u306eS\/PDIF\u51fa\u529b\u3092\u5225\u306eSound\u30ab\u30fc\u30c9\u306b\u5165\u529b\u3057\u3066\u8abf\u3079\u305f\u7d50\u679c\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" style=\"vertical-align: text-bottom;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image201011\/ipad_fft.jpg\" alt=\"\" width=\"480\" height=\"232\" \/><\/p>\n<p>bit\u30d1\u30fc\u30d5\u30a7\u30af\u30c8\u3069\u3053\u308d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u306d\u3002\u30ed\u30fc\u30ec\u30d9\u30eb\u306e\u60c5\u5831\u304c\u8868\u73fe\u3067\u304d\u3066\u3044\u307e\u305b\u3093\u3002\u3069\u3046\u3057\u305f\u3082\u306e\u304b\u3068\u601d\u3044\u3001\u30cd\u30c3\u30c8\u3092\u691c\u7d22\u3057\u305f\u3068\u3053\u308d\u3001iOS4.2\u306b\u3088\u3063\u3066iPad\u3067\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u305fUSB DAC\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u3069\u3046\u3084\u308924bit\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u518d\u751f\u3057\u3066\u308216bit\u5206\u306e\u60c5\u5831\u3057\u304biPad\u304b\u3089\u51fa\u3066\u3053\u306a\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u7684\u306b\u306f24bit\u5206\u306e\u5668\u3092\u4f7f\u3063\u3066iPad\u304b\u3089\u30c7\u30fc\u30bf\u304c\u9001\u3089\u308c\u3066\u304d\u3066\u3044\u308b\u69d8\u3067\u3059\u304c(SUB SLOT=24bit)\u3001\u305d\u306e\u30bd\u30fc\u30b9\u304c24bit\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u4e0b\u4f4d8bit\u304c\u5207\u308a\u6368\u3066\u3089\u308c\u3066\u30bc\u30ed\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u3066\u9001\u3089\u308c\u3066\u3044\u308b\u3001\u3068\u3044\u3046\u3088\u3046\u306a\u60c5\u5831\u304c\u4e0a\u8a18\u30b5\u30a4\u30c8\u4e0a\u306b\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u4e8b\u306e\u771f\u507d\u306fUSB\u306e\u30d1\u30b1\u30c3\u30c8\u30a2\u30ca\u30e9\u30a4\u30b6\u3092\u898b\u308c\u3070\u4e00\u76ee\u77ad\u7136\u3067\u3059\u304c\u3001\u4e0a\u306eFFT\u3092\u898b\u308b\u9650\u308a\u3001\u305d\u306e\u901a\u308a\u3067\u3042\u308b\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u30db\u30b9\u30c8\u5074(iPad)\u306eUSB\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9IC\u306e\u30cf\u30fc\u30c9\u7684\u306a\u5236\u9650\u3001\u3068\u3044\u3046\u3053\u3068\u306f\u307e\u305a\u8003\u3048\u3089\u308c\u307e\u305b\u3093\u306e\u3067\u3001Flac Player\u304b\u3001iOS\u306b\u539f\u56e0\u304c\u3042\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u306f\u3001USB DUAL AUDIO\u57fa\u677f\u306bAUDIO Class2.0\u306e\u30d5\u30a1\u30fc\u30e0\u3092\u8f09\u305b\u3066\u518d\u751f\u3059\u308b\u3068\u3001<span style=\"color: #ff0000;\">iPad\u304b\u3089\u306a\u3093\u3068192kHz\u306eflac\u30d5\u30a1\u30a4\u30eb\u3082192kHz\u3067\u51fa\u529b\u3057\u3066\u304f\u308c\u308b\u3060\u3051\u306b<\/span>\u3001\u306a\u3093\u3068\u3082\u3061\u3050\u306f\u3050\u3067\u6b8b\u5ff5\u3067\u3059\u3002\u304c\u3001\u305f\u3076\u3093\u3053\u306e\u8fba\u306f\u6642\u9593\u304c\u89e3\u6c7a\u3057\u3066\u304f\u308c\u308b\u3067\u3057\u3087\u3046\u3002iOS4.3\u306e\u30ea\u30ea\u30fc\u30b9\u3092\u5927\u3044\u306b\u671f\u5f85\u3057\u3066\u5f85\u3064\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30ab\u30e1\u30e9\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30fb\u30ad\u30c3\u30c8\u3068\u3044\u3046\u30a2\u30af\u30bb\u30b5\u30ea\u30fc\u304c\u3042\u308c\u3070\u3001iPad\u306eUSB\u30db\u30b9\u30c8\u6a5f\u80fd\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002USB DUAL AUDIO\u57fa\u677f\u306b\u7e4b\u3044\u3067\u6a19\u6e96AUDIO\u30af\u30e9\u30b9\u306b\u3088\u308b\u518d\u751f\u304c\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u307e\u305a\u306fbit\u30d1\u30fc\u30d5\u30a7\u30af\u30c8\u304b\u3069\u3046\u304b &hellip; <a href=\"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=264\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;iPad\u306eUSB\u51fa\u529b&#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":[4,11],"tags":[],"class_list":["post-264","post","type-post","status-publish","format-standard","hentry","category-usb_audio","category-hardware-debug"],"_links":{"self":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/264","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=264"}],"version-history":[{"count":0,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/264\/revisions"}],"wp:attachment":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=264"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=264"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=264"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}