{"id":1432,"date":"2016-04-24T12:12:52","date_gmt":"2016-04-24T03:12:52","guid":{"rendered":"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=1432"},"modified":"2016-05-03T09:06:39","modified_gmt":"2016-05-03T00:06:39","slug":"ak5572","status":"publish","type":"post","link":"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=1432","title":{"rendered":"AK5572"},"content":{"rendered":"

AKM\u306e2ch\u7528\u6700\u65b0ADC\u30c1\u30c3\u30d7\u3092\u624b\u306b\u5165\u308c\u3066\u57fa\u677f\u3092\u8d77\u3053\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n

\u3068\u8a00\u3063\u3066\u3082\u3001\u4ee5\u524d\u51fa\u3057\u305fPCM4222\u7528\u306e\u57fa\u677f\u306ePCM4222\u5468\u8fba\u306e\u307f\u3092\u5165\u308c\u66ff\u3048\u305f\u3001\u3068\u3044\u3063\u305f\u65b9\u304c\u3001\u57fa\u677f\u306e\u7279\u5fb4\u3092\u6b63\u78ba\u306b\u8868\u3057\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

PCM4222\u57fa\u677f\u306b\u95a2\u9023\u306e\u8a18\u4e8b\u306f\u30012014\/10\u6708\u9803\u304b\u3089\u306e\u30d6\u30ed\u30b0\u3092\u3054\u89a7\u4e0b\u3055\u3044\u3002<\/p>\n

\"\"<\/p>\n

0.5mm\u30d4\u30c3\u30c1\u306e48\u30d4\u30f3QFN\u30d1\u30c3\u30b1\u30fc\u30b8\u3068\u8a00\u3046\u3053\u3068\u3067\u3001\u666e\u901a\u306e\u4eba\u306b\u306f\u307b\u3068\u3093\u3069\u534a\u7530\u4ed8\u3051\u4e0d\u53ef\u80fd\u306a\u4e16\u754c\u3002\u5f53\u65b9\u3082\u696d\u8005\u3055\u3093\u3078\u304a\u9858\u3044\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u6628\u5e74\u672b\u306b\u5c0e\u5165\u3057\u305f\u30dd\u30fc\u30bf\u30d6\u30eb\u30ea\u30d5\u30ed\u30fc\u3092\u4f7f\u3046\u624b\u3082\u3042\u308a\u307e\u3057\u305f\u304c\u3001IC\u5e95\u9762\u306bSMD\u30e9\u30f3\u30c9\u304c\u3042\u308b\u3082\u306e\u306b\u95a2\u3057\u3066\u306f\u3001\u30af\u30ea\u30fc\u30e0\u534a\u7530\u3092\u5857\u5e03\u3057\u3066IC\u3092\u30d7\u30ec\u30fc\u30b9\u3057\u305f\u5f8c\u306b\u3001\u3046\u307e\u304f\u7f6e\u3051\u3066\u3044\u308b\u304b\u3069\u3046\u304b ( \u30af\u30ea\u30fc\u30e0\u534a\u7530\u306e\u4e0a\u306b\u304d\u308c\u3044\u306b\u8f09\u3063\u3066\u3044\u308b\u304b\uff1f\u96a3\u63a5\u30d1\u30c3\u30c9\u3067\u534a\u7530\u304c\u30d6\u30ea\u30c3\u30b8\u3057\u3066\u3044\u306a\u3044\u304b\u30fb\u30fb\u30fb\uff1f) \u306a\u3069\u306e\u78ba\u4fe1\u304c\u6301\u3066\u305a\u3001\u3046\u307e\u304f\u52d5\u4f5c\u3057\u306a\u3044\u5834\u5408\u306b\u306f\u4f55\u3092\u4fe1\u3058\u3066\u3088\u3044\u304b\u5224\u3089\u306a\u3044\u3068\u3044\u3046\u72b6\u614b\u306b\u9665\u308b\u3053\u3068\u304c\u3042\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n

\u305d\u306e\u70b9\u3001\u696d\u8005\u3055\u3093\u3067\u306fX\u7dda\u3067\u304d\u3061\u3093\u3068\u78ba\u8a8d\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u81ea\u5206\u3067\u3084\u308b\u3068\u3057\u305f\u3089\u3001IC\u3092SMD\u30d1\u30c3\u30c9\u306b\u8f09\u305b\u308b(\u843d\u3068\u3059\uff1f) \u3068\u304d\u306b\u624b\u304c\u9707\u3048\u306a\u3051\u308c\u3070\u306a\u3093\u3068\u304b\u306a\u308b\u3068\u3082\u3044\u3048\u307e\u3059\u304c\u30fb\u30fb\u30fb\u3002<\/p>\n

\"\"<\/p>\n

PCM\/DSD\u30c7\u30fc\u30bf\u5438\u3044\u4e0a\u3052\u5236\u5fa1\u3082\u4f8b\u306b\u3088\u3063\u3066USB\u304b\u3089\u884c\u3044\u307e\u3059\u3002\u624b\u5143\u306bUDA2\u57fa\u677f\u304c\u6570\u679a\u8ee2\u304c\u3063\u3066\u3044\u307e\u3057\u305f\u306e\u3067\u3001\u4eca\u56de\u306f\u3053\u308c\u3092\u4f7f\u3044\u307e\u3057\u305f\u3002\u4e2d\u8eab\u306f\u304b\u306a\u308a\u66f8\u304d\u63db\u3048\u3066\u65b0\u898f\u306b\u8fd1\u3044\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

AK5572\u304cI2C\u3067\u5236\u5fa1\u3067\u304d\u308b\u3053\u3068\u3068\u3001PCM\u304c32bit\u51fa\u3057\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u975e\u5e38\u306b\u90fd\u5408\u304c\u826f\u3044\u306e\u3067\u3059\u3002PCM4222\u306e\u6642\u3068\u9055\u3063\u3066\u3001ADC\u57fa\u677f\u3068USB\u57fa\u677f\u9593\u306e\u914d\u7dda\u304c\u30b7\u30f3\u30d7\u30eb\u306b\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n

\u304a\u307e\u3051\u306b\u9332\u97f3\u6642\u306ePCM\/DSD\u5207\u308a\u66ff\u3048\u304c\u5b9f\u4f53SW\u3067\u306f\u306a\u304f\u3066\u30bd\u30d5\u30c8\u304b\u3089\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3061\u306a\u307f\u306b\u3001ASIO\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb (Windows) \u3084AUDIO midi\u8a2d\u5b9a\u30d1\u30cd\u30eb (Mac)\u3001\u306a\u3089\u3073\u306b\u9332\u97f3\u30bd\u30d5\u30c8\u5074\u306732bit\u3092\u9078\u629e\u3059\u308b\u3068PCM\u9332\u97f3\u300124bit\u3092\u9078\u629e\u3059\u308b\u3068DSD\u9332\u97f3\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u518d\u751f\u306f\u3069\u3061\u3089\u306e\u30d3\u30c3\u30c8\u6570\u304b\u3089\u3067\u3082\u884c\u3048\u307e\u3059\u3002DSD\u9332\u518d\u306fDoP\u3067\u884c\u3046\u3053\u3068\u306b\u3088\u308a\u3001Mac\u3067\u3082\u4f7f\u7528\u53ef\u80fd\u3067\u3059\u3002\u307e\u3060\u307e\u3060 “VinylStudio” \u306e\u51fa\u756a\u306f\u306a\u304f\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u4e0a\u306e\u30c1\u30e3\u30fc\u30c8\u304c176.4k\u7121\u4fe1\u53f7\u6642\u3001\u4e0b\u304c352.8k\u7121\u4fe1\u53f7\u6642\u306e\u9332\u97f3\u30c7\u30fc\u30bf\u7279\u6027\u3067\u3059\u3002<\/p>\n

50\/150\/250Hz\u306f\u96fb\u6e90\u306e\u6b8b\u7559\u30ea\u30c3\u30d7\u30eb\u306e\u9ad8\u8abf\u6ce2\u3067\u3059\u3002<\/p>\n

\u3053\u308c\u3092\u898b\u308b\u3060\u3051\u306a\u3089\u3001PCM4222\u306a\u3069\u306b\u8f03\u3079\u3066\u300132bit\u3060\u304b\u3089\u7279\u306b\u3059\u3054\u3044\uff01\u3068\u3044\u3046\u306e\u306f\u7121\u3044\u3088\u3046\u306b\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u30c1\u30c3\u30d7\u306fPCM768kHz\u307e\u3067\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u304c\u3001768kHz\u9332\u97f3\u306b\u5bfe\u5fdc\u3057\u305f\u30bd\u30d5\u30c8\u306a\u3093\u3066\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u52d5\u4f5c\u306f\u78ba\u8a8d\u3067\u304d\u306a\u3044\u3067\u3044\u307e\u3059(\u7b11<\/p>\n

DSD11.2MHz\u9332\u97f3\u3082\u7d50\u5c40\u306e\u3068\u3053\u308d24bit\/705.6kHz\u3067PCM\u9332\u97f3\u3067\u304d\u306a\u3044\u3068\u5b9f\u884c\u3067\u304d\u306a\u3044\u3053\u3068\u3082\u3042\u3063\u3066\u672a\u78ba\u8a8d\u3067\u3059\u3002“VinylStudio” \u3082DSD\u9332\u97f3\u306f5.6MHz\u307e\u3067\u306e\u3088\u3046\u3067\u3059\u3002<\/del><\/p>\n

\u4ee5\u4e0b\u8ffd\u8a18\u203b\u6539\u3081\u3066\u78ba\u8a8d\u3057\u305f\u3068\u3053\u308d\u3001\u5c11\u306a\u304f\u3068\u3082Windows\u7248\u3067\u306fDSD\u9332\u97f3\u30e2\u30fc\u30c9\u306f “standard”, “double”, \u305d\u3057\u3066”quad” \u3068\u3001\u3061\u3083\u3093\u30683\u7a2e\u985e\u3042\u308a\u307e\u3057\u305f(;;^^<\/span><\/p>\n

5\/3: \u3055\u3089\u306b\u8ffd\u8a18\u3000\u5b9f\u306f\u3001\u30bd\u30d5\u30c8\u306b\u30e2\u30fc\u30c9\u306f\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u305d\u306e\u5f8c\u306e\u691c\u8a0e\u3067\u5b9f\u969b\u306b\u306fDSD quad\u9332\u97f3\u306e\u6a5f\u80fd\u306f\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u305d\u3053\u3067\u958b\u767a\u8005\u306eTom Sanders\u6c0f ( AlpineSoft ) \u306b\u30e1\u30fc\u30eb\u3067\u305f\u305a\u306d\u305f\u3068\u3053\u308d\u3001\u300c\u554f\u984c\u306f\u8a8d\u8b58\u3057\u3066\u3044\u3066\u3001”forthcoming <\/span>
\nrelease” \u3067\u5bfe\u5fdc\u4e88\u5b9a\u300d\u3000\u3068\u306e\u3053\u3068\u3067\u3057\u305f\u3002<\/span><\/p>\n

\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u30bd\u30d5\u30c8\u306e\u8ca0\u8377\u306f\u9ad8\u305d\u3046\u3067\u3059\u3002<\/span>\u5f37\u529b\u306aPC\u306a\u3089\u3060\u3044\u3058\u3087\u3046\u3076\u304b\u306a\uff1f<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

AKM\u306e2ch\u7528\u6700\u65b0ADC\u30c1\u30c3\u30d7\u3092\u624b\u306b\u5165\u308c\u3066\u57fa\u677f\u3092\u8d77\u3053\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u3068\u8a00\u3063\u3066\u3082\u3001\u4ee5\u524d\u51fa\u3057\u305fPCM4222\u7528\u306e\u57fa\u677f\u306ePCM4222\u5468\u8fba\u306e\u307f\u3092\u5165\u308c\u66ff\u3048\u305f\u3001\u3068\u3044\u3063\u305f\u65b9\u304c\u3001\u57fa\u677f\u306e\u7279\u5fb4\u3092\u6b63\u78ba\u306b\u8868\u3057\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3002 PCM422 … “AK5572” \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":[1],"tags":[],"class_list":["post-1432","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1432","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=1432"}],"version-history":[{"count":10,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1432\/revisions"}],"predecessor-version":[{"id":1444,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1432\/revisions\/1444"}],"wp:attachment":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1432"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}