{"id":306,"date":"2014-05-09T12:23:11","date_gmt":"2014-05-09T04:23:11","guid":{"rendered":"http:\/\/ukonline2000.com\/?p=306"},"modified":"2014-05-09T12:23:11","modified_gmt":"2014-05-09T04:23:11","slug":"%e5%9b%bd%e5%86%85%e9%a6%96%e6%ac%be%e6%a0%91%e8%8e%93%e6%b4%be-raspberry-pi-%e4%b8%93%e7%94%a8hifi-dac-hifi%e5%a3%b0%e5%8d%a1-i2s%e6%8e%a5%e5%8f%a3-%e5%8e%9f%e5%88%9b%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/ukonline2000.com\/?p=306","title":{"rendered":"\u56fd\u5185\u9996\u6b3e\u6811\u8393\u6d3e raspberry pi \u4e13\u7528HIFI DAC HIFI\u58f0\u5361 I2S\u63a5\u53e3 \u539f\u521b\u8bbe\u8ba1"},"content":{"rendered":"\n\n\n
\u524d\u8a00\uff1a<\/span>
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\n\u8d2d\u4e70\u5730\u5740\uff1a<\/span>http:\/\/item.taobao.com\/item.htm?id=38890455462<\/span><\/a><\/span><\/strong><\/span>
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1.\u00a0\u00a0\u00a0\u00a0DAC\u82af\u7247\u91c7\u7528BB\u516c\u53f8(\u5df2\u88abTI\u516c\u53f8\u6536\u8d2d)\u9ad8\u7aef<\/a>\u7684PCM5102A\u82af\u7247\uff0c\u91c7\u7528I2S\u63a5\u53e3\uff1b\u652f\u630116\u81f332\u4f4d\u97f3\u9891\u6570\u636e\u683c\u5f0f\uff1b\u5931\u771f\u548c\u52a8\u6001\u90fd\u662f\u975e\u5e38\u7406\u60f3\uff0c\u652f\u6301\u9ad8\u5927384kHz\u7684\u91c7\u6837\u7387\uff0c\u52a8\u6001\u8303\u56f4112dB\uff0c\u5931\u771f\u5ea6-93Db\u3002\u9488\u5bf9\u5e26\u6709\u65e0\u7206\u97f3\u8fd0\u884c120dB\u9759\u566a\u4fe1\u566a\u6bd4(SNR)\u7684\u8f6f\u4e0a\u5347\u6216\u4e0b\u964d\u659c\u6ce2\u548c\u6a21\u62df\u9759\u566a\u3002<\/strong><\/p>\n

2.\u00a0\u00a0\u00a0\u00a0PCM5102A\u96c6\u6210\u8d1f\u7535\u8377\u6cf5\uff0c\u8f93\u51fa\u65e0\u9700\u9694\u76f4\u6d41\u7535\u5bb9;2.1Vrms\u63a5\u5730\u4e2d\u5fc3\u8f93\u51fa\uff1b\u975e\u5e38\u597d\u7684\u6291\u5236\u5e26\u5916\u566a\u58f0\u7684\u80fd\u529b\u3002\u901a\u8fc7\u652f\u6301\u4f4e\u81f31k\u03a9\u7684\u8d1f\u8f7d\uff0cPCM510xA\u80fd\u591f\u9a71\u52a8\u591a\u4e2a\u5e76\u8054\u7684\u4ea7\u54c1\u3002\uff08\u4e5f\u5c31\u662f\u591a\u4e2a\u529f\u653e\u540c\u65f6\u4f7f\u7528\uff09\u3002<\/strong><\/p>\n

3.\u00a0\u00a0\u00a0\u00a0\u8f93\u51fa\u7aef\u53e3\u91c7\u7528\u9540\u91d1RCV\u53cc\u7aef\u5b50\u548c\u9540\u91d13.5mm\u8033\u673a\u5ea7<\/strong><\/p>\n

4.\u00a0\u00a0\u00a0\u00a0\u91c7\u7528\u9694\u79bb\u7535\u6e90\u8bbe\u8ba1\uff0c\u4f7f\u6811\u8393\u6d3e\u7535\u6e90\u4e0eDAC\u90e8\u5206\u72ec\u7acb\u7535\u6e90\u9694\u79bb\uff0c\u5e76\u901a\u8fc7\u78c1\u73e0\u5171\u5730\u4e92\u4e0d\u5e72\u6270\uff0c\u6446\u8131\u7535\u6d41\u58f0<\/strong><\/p>\n

5.\u00a0\u00a0\u00a0\u00a0\u91c7\u7528I2S\u63a5\u53e3\u76f4\u63a5\u89e3\u7801\u6570\u5b57\u8f6c\u6a21\u62df\uff0c\u975eUSB\u63a5\u53e3DAC\u65b9\u5f0f\uff0c\u672a\u5360\u7528\u6811\u8393\u6d3e\u5176\u4ed6\u7684\u6269\u5c55GPIO<\/strong><\/p>\n

6. \u00a0 \u00a0\u63d0\u4f9bDAC\u7535\u6e90\u6307\u793a\u706f\uff0c\u4fbf\u4e8e\u89c2\u5bdfDAC\u72b6\u6001<\/strong><\/p>\n

7.\u00a0\u00a0\u00a0\u00a0PCB\u677f\u91c7\u7528\u9ad8\u5927\u4e0a\u7684\u9540\u91d1\u5de5\u827a\uff0c\u5f27\u5f62\u8d70\u7ebf\uff08\u9ad8\u7aefHIFI DAC\u5747\u91c7\u7528\u5f27\u5f62\u8d70\u7ebf\uff09\uff0c\u66f4\u597d\u4fdd\u8bc1\u4fe1\u53f7\u7684\u963b\u6297\u5ef6\u7eed\u6027\uff0c\u51cf\u5c11\u4fe1\u53f7\u53cd\u5c04\u548c\u6298\u5c04\u3002<\/strong><\/p>\n

8.\u00a0\u00a0\u00a0\u00a0\u597d\u58f0\u97f3\u5168\u9760\u771f\u6750\u5b9e\u6599\uff0c\u6a21\u62df\u97f3\u9891\u90e8\u5206\u5168\u90e8\u4f7f\u7528HIFI\u7ea7\u9ad8\u7aefDAC\u624d\u4f7f\u7528\u7684\u53d1\u70e7\u7ea7\u7535\u5bb9\u7535\u963b\uff0c\u5747\u4e3a\u539f\u88c5\u8fdb\u53e3\uff1a\uff08\u4ee5\u4e0b\u8fd9\u4e9b\u53d1\u70e7\u7ea7\u7684\u54c1\u724c\u5c31\u4e0d\u591a\u4ecb\u7ecd\u4e86\uff0c\u6709\u5174\u8da3\u53ef\u4ee5\u81ea\u884c\u767e\u5ea6\uff09<\/strong><\/p>\n

VISHAY\u53d1\u70e7\u7ea7\u91d1\u5c5e\u819c\u7535\u963b\uff08\u4ea7\u5730\uff1a\u6377\u514b\uff09<\/strong><\/p>\n

ELNA RBP2\u97f3\u9891\u7535\u5bb9\uff08\u4ea7\u5730\uff1a\u65e5\u672c\uff09<\/strong><\/p>\n

WIMA MKS2<\/strong>\u97f3\u9891<\/strong>\u7535\u5bb9\uff08\u4ea7\u5730\uff1a\u5fb7\u56fd\uff09<\/strong><\/p>\n

ERO KP1830<\/strong>\u97f3\u9891<\/strong>\u7535\u5bb9\uff08\u4ea7\u5730\uff1a\u5fb7\u56fd\uff09<\/strong><\/p>\n

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9.\u00a0\u00a0\u00a0\u00a0\u9884\u7559\u7ea2\u5916\u7ebf\u63a5\u6536\u5668\u63a5\u53e3\uff08\u53ef\u81ea\u884c\u8d2d\u4e70\u7ea2\u5916\u7ebf\u63a5\u6536\u5934\u6dfb\u52a0\uff09<\/strong><\/p>\n

10. \u00a0\u9884\u552e\u671f\u8d60\u9001\u5e26\u63d2\u9488\u7684\u5ea7\uff0c\u65b9\u4fbf\u5728\u4f7f\u7528\u6269\u5c55\u677f\u7684\u540c\u65f6\u4f7f\u7528\u6811\u8393\u6d3e\u7684gpio<\/strong><\/p>\n

\u5b9e\u7269\u56fe\uff1a<\/strong><\/p>\n

<\/strong>\"\"\"\"\"\"\"\"<\/p>\n

\u8fde\u63a5\u529f\u653e\u6548\u679c\u56fe\uff1a\uff08\u540c\u65f6\u63a52\u4e2a\u529f\u653e,\u9a6c\u5170\u58ebAV\u529f\u653e+\u54c8\u66fc\u5361\u987fHIFI\u529f\u653e\uff09<\/strong><\/p>\n

\"\"\"\"<\/p>\n

volumio\u7cfb\u7edf\u64ad\u653e\u548c\u914d\u7f6e\u754c\u9762\uff1a<\/strong><\/p>\n

\u5b98\u65b9\u7f51\u5740\uff1a<\/strong>http:\/\/volumio.org\/<\/strong><\/p>\n

\u7cfb\u7edf\u4e0b\u8f7d\u5730\u5740\uff1a\uff08\u70e7\u5f55\u65b9\u5f0f\u4e0e\u6811\u8393\u6d3e\u70e7\u5f55\u7cfb\u7edf\u65b9\u5f0f\u4e00\u6837\uff09<\/strong><\/p>\n

<\/strong>\u94fe\u63a5\uff1ahttp:\/\/pan.baidu.com\/s\/1pJjp1pT \u00a0 \u00a0 \u5bc6\u7801\uff1avivh<\/strong><\/p>\n

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<\/strong>\"\"\"\"\"\"<\/p>\n

\u76f4\u63a8\u8033\u673a\uff1a<\/strong><\/p>\n

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\u76f4\u63a8\u68ee\u6d77\u585e\u5c14\u00a0IE80\uff08\u53c2\u8003\u56fe\uff09<\/strong><\/h3>\n

\"\"<\/p>\n

\u76f4\u63a8\u68ee\u6d77\u585e\u5c14 MX500<\/strong>\uff08\u53c2\u8003\u56fe\uff09<\/strong><\/p>\n

\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

\u524d\u8a00\uff1a \u672c\u4eba\u4e00\u76f4\u662f\u4e2aHIFI\u7684\u7231\u597d\u8005\uff0c\u4e5f\u70e7\u4e86\u5f88\u591a\u5e74\u4e86\uff0c\u8fd9\u51e0\u5e74\u5f00\u59cb\u9010\u6e10\u9000\u70e7\u3002\u3002\u3002\u73a9 … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-306","post","type-post","status-publish","format-standard","hentry","category-raspberry-pi"],"_links":{"self":[{"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/posts\/306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=306"}],"version-history":[{"count":2,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/posts\/306\/revisions"}],"predecessor-version":[{"id":308,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/posts\/306\/revisions\/308"}],"wp:attachment":[{"href":"http:\/\/ukonline2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=306"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}