{"id":471,"date":"2014-11-02T18:21:36","date_gmt":"2014-11-02T10:21:36","guid":{"rendered":"http:\/\/ukonline2000.com\/?p=471"},"modified":"2014-11-02T18:31:41","modified_gmt":"2014-11-02T10:31:41","slug":"%e6%a0%91%e8%8e%93%e6%b4%beb-raspberry-pi-b-%e4%b8%93%e7%94%a8hifi%e7%ba%a7-pifi-dac%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=471","title":{"rendered":"\u6811\u8393\u6d3eB+ raspberry pi B+ \u4e13\u7528HIFI\u7ea7 PiFi DAC+\u58f0\u5361 I2S\u63a5\u53e3 \u539f\u521b\u8bbe\u8ba1"},"content":{"rendered":"

\u524d\u8a00\uff1a
\n\u4e4b\u524d\u63a8\u51fa\u4e86\u4e00\u6b3e\u6811\u8393\u6d3eB\u7684DAC\u58f0\u5361\uff0c\u5f97\u5230\u4e86\u5927\u5bb6\u7684\u652f\u6301\u3002\u8fd1\u671f\u6811\u8393\u6d3e\u5b98\u65b9\u63a8\u51fa\u4e86\u65b0\u6b3e\u6811\u8393\u6d3eB+\uff0c\u65b0\u6b3e\u6811\u8393\u6d3eB+\u53ef\u4ee5\u63d0\u4f9b4\u4e2aUSB\u63a5\u53e3\uff0c\u5e76\u4e14\u63d0\u4f9b\u66f4\u597d\u7684\u7535\u6e90\u7ba1\u7406\uff0c\u8fd9\u4f7f\u5f97\u5b83\u66f4\u9002\u5408\u505a\u4e3a\u5a92\u4f53\u64ad\u653e\u5668\u4f7f\u7528\uff0c\u4f46\u662f\u7531\u4e8e\u5b98\u65b9\u5e76\u4e0d\u63d0\u4f9bI2S\u63a5\u53e3\uff0c\u4f7f\u5f97\u65b0\u6b3e\u6811\u8393\u6d3e\u5728\u4f7f\u7528I2S\u65f6\u9047\u5230\u4e86\u963b\u788d\uff0c\u5728\u6211\u4eec\u7684\u52aa\u529b\u548c\u5b8c\u5584\u4e0b\u73b0\u5728\u53ef\u4ee5\u5728\u65b0\u6b3e\u6811\u8393\u6d3eB+\u4e0a\u6b63\u5e38\u4f7f\u7528I2S\u63a5\u53e3\u7684DAC\u4e86\uff0c\u800c\u4e14\u4e0d\u9700\u8981\u518d\u53bb\u710a\u63a5\u4ec0\u4e48P5\u63d2\u5ea7\u4e86\uff0c\u518d\u52a0\u4e0a4\u4e2aUSB\u63a5\u53e3\u548c\u4f18\u79c0\u7684\u7535\u6e90\u7ba1\u7406\uff0cHIFI\u73a9\u5bb6\u4eec\u6211\u4eec\u7ec8\u4e8e\u53ef\u4ee5\u6109\u5feb\u7684\u73a9\u800d\u4e86\u3002\u3002\u3002\u3002\u3002\u3002<\/strong><\/p>\n

\u8fd9\u662f\u4e00\u6b3e\u9488\u5bf9\u6811\u8393\u6d3eB+\u8bbe\u8ba1\u7684\u4e13\u7528HIFI DAC\u6269\u5c55\u677f(PiFi DAC+)\uff0c<\/span><\/span>\u91c7\u7528TI\u516c\u53f8\u66f4\u9ad8\u7aef\u7684DAC\u82af\u7247\uff08PCM5122)\uff0c<\/span>\u4f7f\u7528\u7684\u662fI2S\u63a5\u53e3\uff0c\u975eUSB\u63a5\u53e3\uff0c\u5e76\u53ef\u4ee5\u652f\u6301\u786c\u4ef6\u63a7\u5236\u97f3\u91cf\uff08\u8001\u6b3eDAC\u4f7f\u7528PCM5102A\u82af\u7247\uff0c\u65e0\u6cd5\u652f\u6301\u786c\u4ef6\u97f3\u91cf\u8c03\u8282\uff09\uff1b\u4f7f\u7528\u8fd9\u4e2a\u6269\u5c55\u677f\u540e\u7528\u6237\u53ef\u4ee5\u914d\u5408\u97f3\u9891\u64ad\u653e\u7cfb\u7edf\uff08\u5982\uff1a<\/span><\/span>volumio\uff0cxbmc\u7cfb\u7edf\u7b49<\/span>\uff09\u642d\u5efa\u81ea\u5df1\u7684\u7f51\u7edcHIFI\u64ad\u653e\u5668\uff1b\u6269\u5c55\u677f\u63d0\u4f9b2\u79cd\u8f93\u51fa\u63a5\u53e3\u65b9\u4fbf\u5916\u63a5\u529f\u653e\u7b49<\/span><\/span>\u8bbe\u5907\u3002\u6709\u4e86\u5b83\u5c31\u53ef\u4ee5\u6446\u8131PC\u529f\u8017\u5927\uff0c\u5f00\u673a\u5173\u673a\u6162\uff0c\u7535\u6e90\u6742\u97f3\u5927\u7b49\u7b49\u56f0\u6270\u4e86\u3002\u3002\u3002\u3002<\/span>B+\u7684\u8fd9\u6b3ePiFi DAC+\u6269\u5c55\u677f\uff0c\u662f\u57fa\u4e8e\u8001\u6b3eB\u7684DAC\u6269\u5c55\u677f\u539f\u6709\u8bbe\u8ba1\u4e0a\uff0c\u5347\u7ea7\u4e86\u66f4\u9ad8\u7aef\u7684\u82af\u7247\u548c\u7535\u8def\uff0c\u5e76\u589e\u52a0\u4e86\u66f4\u591a\u5b9e\u7528\u529f\u80fd\u7684\u6269\u5c55\u677f\uff0c\u66f4\u9ad8\u7684\u6027\u80fd\uff0c\u66f4\u8bd5\u7528\u7684\u529f\u80fd\uff0c\u7edd\u5bf9\u539f\u521b\u8bbe\u8ba1\uff0c\u5f3a\u70c8\u63a8\u8350\uff01\uff01\uff01\uff01<\/span><\/span><\/span><\/strong><\/p>\n

\u7279\u522b\u6ce8\u610f\uff1a\u6b64\u6269\u5c55\u677f\u8033\u673a\u7684\u8f93\u51fa\u63a5\u53e3\u4e3b\u8981\u7528\u9014\u662f\u5916\u63a5\u529f\u653e\uff0c<\/strong>\u867d\u7136\u5e97\u5bb6\u6d4b\u8bd5\u8fc7\u53ef\u4ee5\u63a8\u52a8\u5927\u90e8\u5206\u4f4e\u5185\u963b\u8033\u673a\uff0c\u56fd\u5916\u4e5f\u4e0d\u5c11\u7231\u597d\u8005\u7528\u6b64\u82af\u7247\u76f4\u63a8\u8033\u673a\uff0c\u4f46<\/strong>\u5b98\u65b9\u8d44\u6599\u4e0a\u5e76\u4e0d\u63d0\u5230\u53ef\u4ee5\u76f4\u63a8\u9a71\u52a8\u8033\u673a\uff0c\u56e0\u6b64\u6253\u7b97\u7528\u6b64\u6269\u5c55\u677f\u76f4\u63a8\u8033\u673a\u7684\u7528\u6237\u9700\u8981\u81ea\u884c\u659f\u914c\uff0c\u5e97\u5bb6\u4e0d\u627f\u62c5\u76f4\u63a8\u8033\u673a\u7684\u4efb\u4f55<\/strong>\u540e\u679c<\/strong>\uff01\uff01\uff01\uff01<\/strong><\/p>\n

\u8d2d\u4e70\u94fe\u63a5\uff1ahttp:\/\/item.taobao.com\/item.htm?id=42067031055<\/strong><\/span><\/p>\n

\u529f\u80fd\u7b80\u4ecb\uff1a<\/strong><\/p>\n

1.\u00a0\u00a0\u00a0\u00a0\u5347\u7ea7DAC\u82af\u7247\uff0c<\/span><\/strong>\u91c7\u7528BB\u516c\u53f8(\u5df2\u88abTI\u516c\u53f8\u6536\u8d2d)\u66f4<\/span><\/span>\u9ad8\u7aef<\/span><\/a>\u7684<\/span>PCM5122\u82af\u7247\uff0c\u91c7\u7528I2S<\/span><\/span>\u63a5\u53e3<\/span>\uff0c\u5e76\u53ef\u4ee5\u901a\u8fc7I2C\u63a5\u53e3\u8fdb\u884c\u97f3\u91cf\u548c\u97f3\u9891\u53c2\u6570\u8c03\u8282<\/span><\/span>\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\u00a0PCM5122\u540c\u6837\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\u514d\u710a\u63a5\uff0c\u76f4\u63a5\u63d2\u4e0a\u6269\u5c55\u677f\u5c31\u80fd\u4f7f\u7528<\/span>\uff0c<\/span>\u5e76<\/strong>\u91c7\u7528I2S\u63a5\u53e3\u76f4\u63a5\u89e3\u7801\u6570\u5b57\u8f6c\u6a21\u62df\uff0c\u975eUSB\u63a5\u53e3DAC\u65b9\u5f0f\uff0c<\/strong><\/p>\n

6. \u00a0 \u00a0\u589e\u52a0\u4e3a\u53cc\u8272led\u63d0\u4f9b\u72b6\u6001\u663e\u793a\uff0c\u7ea2\u706f\u4e3aDAC\u7535\u6e90\u6307\u793a\u706f\uff08\u7535\u6e90\u6b63\u5e38\u4eae\uff09\uff0c\u7eff\u706f\u4e3aDAC\u5de5\u4f5c\u72b6\u6001\u706f\uff08\u5de5\u4f5c\u89e3\u7801\u65f6\u4eae\uff0c\u505c\u6b62\u6216\u8005\u4e0d\u5de5\u4f5c\u65f6\u706d\uff09\uff0c\u66f4\u597d\u7684\u4e86\u89e3DAC\u7684\u5de5\u4f5c\u60c5\u51b5<\/span><\/strong><\/p>\n

7.\u00a0\u00a0\u00a0\u00a0\u5b8c\u7f8e\u517c\u5bb9\u6811\u8393\u6d3e\u5b98\u65b9PI HAT\u5c3a\u5bf8<\/span>\uff0c<\/strong>PCB\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

nichicon FG\u7cfb\u5217\/MARCON\u95ea\u7eff\u888d\u7cfb\u5217<\/strong>\u97f3\u9891<\/strong>\u7535\u5bb9\uff08\u4ea7\u5730\uff1a<\/strong>\u65e5\u672c\uff09<\/strong><\/p>\n

Panasonic \u519b\u5de5\u7ea7\u78c1\u73e0\uff08\u4ea7\u5730\uff1a\u65e5\u672c\uff09<\/strong><\/p>\n

 <\/p>\n

9.\u00a0\u00a0\u00a0\u00a0\u63d0\u4f9b<\/span><\/strong><\/span>\u7ea2\u5916\u7ebf\u63a5\u6536\u5668\u63a5\u53e3\uff08\u5360\u7528GPIO26,\u7528\u6237\u4e0d\u60f3\u4f7f\u7528\u7ea2\u5916\u7ebf\u65f6,\u53ef\u4ee5\u65ad\u5f00\u8df3\u7ebfJP2\uff09<\/span><\/strong><\/p>\n

\u53ef\u4ee5\u914d\u5408\u672c\u5e97\u7684\u7ea2\u5916\u9065\u63a7\u5668\u4f7f\u7528\uff1a<\/strong>http:\/\/item.taobao.com\/item.htm?id=39417392370<\/a><\/p>\n

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

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

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

volumio\u8f6f\u4ef6\u53c2\u6570:<\/strong><\/p>\n

\n
\n
<\/div>\n

-Ready to play: flash it and you’re ready
\n-Audiophile Quality: bit perfect playback
\n-FLAC, WAV, MP3, AAC, ALAC, PLS support
\n-Music libraries on Samba, NFS and USB drives
\n-Webradios support out of the box
\n-Control it via integrated Webui with PC, Smartphone, Tablet
\n-Airplay capability
\n-Ramplay Support
\n-DSD Native Playback
\n-Multiroom Playback via Android App
\n-Output playback device Selection
\n-Audio out via HDMI, USB, Analog Jack, S\/PDIF, I2S (B+)
\n-Wireless Network configuration
\n-Various resampling options, up to 32bit\/384khrtz<\/span><\/strong><\/p>\n<\/div>\n<\/div>\n

Root User: root\u00a0 Password: volumio<\/span><\/strong><\/p>\n

User: volumio\u00a0 Password: volumio<\/span><\/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\uff0c\u53c2\u8003http:\/\/bbs.shumeipai.org\/thread-42-1-4.html<\/strong>\uff09<\/strong><\/p>\n

1.5\u7248\u4e0b\u8f7d\u94fe\u63a5\uff1ahttp:\/\/pan.baidu.com\/s\/1jGDqZLO \u5bc6\u7801: d1al<\/span><\/strong><\/span><\/p>\n

\u5e97\u5bb6\u5f3a\u70c8\u63a8\u8350\u4f7f\u7528volumio\u64ad\u653e\u7cfb\u7edf\uff0c\u7f8e\u89c2\u5927\u65b9\uff0c\u652f\u6301\u591a\u79cd\u65e0\u635f\u683c\u5f0f\u5305\u62ec\u7f51\u7edc\u7535\u53f0\u64ad\u653e\uff0c\u8fd8\u53ef\u4ee5\u624b\u52a8\u914d\u7f6e\uff1bPC\u548c\u624b\u673a\u90fd\u53ef\u4ee5\u63a7\u5236\u64ad\u653e\uff0c\u5e76\u4e14\u5bf9\u672c\u5e97\u7684DAC\u6269\u5c55\u677f\u652f\u6301\u5f88\u597d\uff0c\u53ef\u4ee5\u628a\u6811\u8393\u6d3e\u5f53\u4f5c\u4e00\u4e2a\u5b8c\u7f8e\u7684\u65e0\u635f\u64ad\u653e\u5668\u3002<\/strong><\/p>\n

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

volumio\u914d\u7f6e\u6b65\u9aa4\uff1a<\/strong><\/span><\/p>\n

\u9009\u62e9DAC\u7684\u9a71\u52a8<\/strong><\/p>\n

\"\"<\/p>\n

\u91cd\u542f<\/strong><\/p>\n

\"\"<\/p>\n

\u5c06\u6709\u97f3\u9891\u6587\u4ef6\u7684U\u76d8\u63d2\u4e0a\u6811\u8393\u6d3e\uff0c\u5e76\u9009\u62e9update\u66f4\u65b0\u6587\u4ef6\u5e93<\/strong><\/p>\n

\"\"<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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