SACD<\/b><\/p>\n
SACD\u5168\u79f0\u53ebSuper Audio CD\uff0c\u662f\u8d85\u7ea7\u97f3\u9891\u5149\u76d8\u7cfb\u7edf\uff0c\u5b83\u662f\u7531\u7d22\u5c3c\u548c\u98de\u5229\u6d66\u516c\u53f8\u5408\u4f5c\u5f00\u53d1\u7684\u4e00\u6b3e\u5177\u6709\u5168\u9762\u53d6\u4ee3CD\u97f3\u6e90\u5b9e\u529b\u7684\u6700\u65b0\u683c\u5f0f\u7684\u6570\u7801\u7cfb\u7edf\u3002SACD\u91c7\u7528DSD\u6570\u5b57\u5f55\u97f3\u6280\u672f\uff0c\u5b83\u7684\u9891\u7387\u8303\u56f4\u548c\u52a8\u6001\u8303\u56f4\u5747\u4f18\u4e8eCD\u3002SACD\u662f\u4e00\u79cd\u65b0\u578b\u7684\u5149\u76d8\uff0c\u5b83\u4e0d\u662fCD\u683c\u5f0f\uff0c\u800c\u7c7b\u4f3cDVD\u5149\u76d8\uff0c\u64ad\u653e\u65f6\u9700\u4f7f\u7528SACD\u4e13\u7528\u7684\u64ad\u653e\u8bbe\u5907\u3002<\/p>\n
SACD \u5149\u76d8\u7ed3\u6784\u5927\u81f4\u4e0eDVD\u76f8\u4f3c\uff0c\u64ad\u653e\u9762\u6709\u5355\u9762\u548c\u53cc\u9762\uff0c\u4fe1\u606f\u5c42\u6709\u5355\u5c42\u548c\u53cc\u5c42\u3002\u76ee\u524d\u5e02\u573a\u4e0a\u7684SACD\u5149\u76d8\u8f83\u591a\u91c7\u7528\u5355\u9762\u53cc\u5c42\u7ed3\u6784\uff0c\u4e00\u5c42\u662f0.6mm\u57fa\u7247\u4e0a\u50a8\u5b58 16bits\u4f20\u7edfCD\u683c\u5f0f\u7684\u4fe1\u53f7\uff0c\u53ef\u4e0eCD\u517c\u5bb9\uff0c\u53e6\u4e00\u5c42\u662f0.6mm\u57fa\u7247\u9ad8\u5bc6\u5ea6\u7684\u534a\u900f\u660e\u5c42\uff0c\u50a8\u5b58SACD\u683c\u5f0f\u7684\u4fe1\u53f7\uff0c\u518d\u5c06\u4e24\u7247\u57fa\u7247\u50cfDVD\u76d8\u7247\u90a3\u6837\u7c98\u5408\u800c\u6210\u3002\u8fd9\u79cd\u5149\u76d8\u53ef\u4ee5\u5728\u666e\u901aCD\u64ad\u653e\u673a\u4e0a\u64ad\u653e\uff0c\u4e5f\u53ef\u4ee5\u5728SACD\u64ad\u653e\u673a\u4e0a\u64ad\u653e\uff0c\u5f53\u7136\uff0c\u4e24\u8005\u7684\u97f3\u8d28\u662f\u6709\u5dee\u522b\u7684\u3002<\/p>\n
SACD\u7684\u6280\u672f\u6307\u6807\u8fdc\u4f18\u4e8eCD\uff0c\u800c\u4e0eDVD-Audio\u76f8\u4f3c\u3002<\/p>\n
SACD\u7684\u6838\u5fc3\u6280\u672f\u662fDSD \uff08Direct Stream Digital \u76f4\u63a5\u6570\u636e\u6d41\uff09\uff0c\u5b83\u4e0eCD\u3001DVD-Audio\u7684\u591abit\u5f55\u5236\u539f\u7406\u6709\u6839\u672c\u7684\u533a\u522b\u3002<\/p>\n
DSD\u6280\u672f<\/b><\/p>\n
DSD \u7684\u6280\u672f\uff0c\u7b80\u5355\u5730\u8bb2\uff1a\u5b83\u662f\u5c06\u4fe1\u53f7\u4ee52.8224MHz\u91c7\u6837\u3001\u7ecf\u591a\u9636\u0394-\u03a3\u8c03\u5236\uff0c\u8f93\u51fa1bit\u4fe1\u53f7\u6d41\u3002\u591a\u9636\uff08\u5982\uff1a7\u9636 7th Order\uff09\u0394-\u03a3\u8c03\u5236\u5668\uff0c\u8fd0\u7528\u8d1f\u53cd\u9988\uff0c\u5c06\u4fe1\u53f7\u4e0e\u4e0a\u6b21\u91c7\u6837\u7684\u6ce2\u5f62\u8fdb\u884c\u6bd4\u8f83\uff08\u5dee\u5206\u8fd0\u7b97\uff09\uff0c\u201c\u5927\u4e8e\u201d\u4fbf\u8f93\u51fa\u201c1\u201d\uff0c\u201c\u5c0f\u4e8e\u201d\u4fbf\u8f93\u51fa\u201c0\u201d\u3002\u5229\u7528\u6c42\u548c\u5668\u5c06\u6ce2\u5f62\u5728\u4e00\u4e2a\u91c7\u6837\u5468\u671f\u4e2d\u79ef\u7d2f\uff0c\u4ee5\u5f62\u6210\u4e0b\u6b21\u7684\u6bd4\u8f83\u6ce2\u5f62\u3002\u0394\u548c\u03a3\u5219\u5206\u522b\u662f\u5dee\u5206\u548c\u6c42\u548c\u7684\u542b\u4e49\u3002\u7531\u6b64\u53ef\u89c1\uff0c1bit\u4fe1\u53f7\u6d41\u662f\u76f8\u5bf9\u503c\uff0c\u800c\u4f20\u7edf\u7684PCM\u8bb0\u5f55\u7684\u91cf\u5316\u503c\u662f\u7edd\u5bf9\u503c\u3002<\/p>\n
\u76ee\u524d\uff0c\u6709\u7684\u516c\u53f8\u5df2\u7ecf\u5728\u7814\u7a76\u5f00\u53d1\u6570\u5b57\u529f\u653e\u548c\u6570\u5b57\u626c\u58f0\u5668\uff0c\u5e0c\u671b\u5c061bit\u4e8c\u8fdb\u5236\u7684\u6570\u636e\u7ecf\u8fc7\u6570\u5b57\u529f\u7387\u653e\u5927\u5668\u653e\u5927\u540e\uff0c\u76f4\u63a5\u63d0\u4f9b\u7ed9\u6570\u5b57\u626c\u58f0\u5668\uff0c\u6570\u5b57\u626c\u58f0\u5668\u65e2\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f4e\u901a\u6ee4\u6ce2\u5668\uff0c\u53c8\u662f\u5c06\u7535\u80fd\u8f6c\u6362\u4e3a\u58f0\u80fd\u7684\u6362\u80fd\u5668\uff0c\u8fd9\u6837\uff0c\u4e0d\u4f46\u7b80\u5316\u4e86\u7ed3\u6784\uff0c\u800c\u4e14\u63d0\u9ad8\u4e86\u91cd\u653e\u6027\u80fd\uff0c\u76f8\u4fe1\u4e0d\u4e45\u4ee5\u540e\uff0c\u6211\u4eec\u4f1a\u770b\u5230\u8fd9\u79cd\u6570\u5b57\u5668\u4ef6\u7684\u5b9e\u9645\u5e94\u7528\u3002\u4e0e\u4f20\u7edf\u7684 PCM\u4fe1\u53f7\u6bd4\u8f83\uff0c1bit\u4fe1\u53f7\u6d41\u8c03\u5236\u8fc7\u7a0b\u8f83\u4e3a\u7b80\u5355\uff0c\u800c\u4e14\u7cbe\u5ea6\u9ad8\u3001\u6210\u672c\u4f4e\uff0c\u89e3\u8c03\u8fc7\u7a0b\u66f4\u662f\u7b80\u6377\u65b9\u4fbf\u3002\u4ece\u7406\u8bba\u4e0a\u8bb2\uff0c\u91cd\u653e\u7aef\u4ec5\u9700\u8981\u4e00\u4e2aRC\u79ef\u5206\u7535\u8def\u5c31\u53ef\u6210\u529f\u5730\u8fd8\u539f\u97f3\u9891\u6a21\u62df\u4fe1\u53f7\u3002\u540c\u65f6\uff0c\u53c8\u4ece\u6839\u672c\u4e0a\u5254\u9664\u4e86PCM\u6240\u56fa\u6709\u7684\u4e00\u4e9b\u5931\u771f\uff0c\u4f7f\u97f3\u9891\u4fe1\u53f7\u5f97\u4ee5\u9ad8\u5ea6\u7684\u8fd4\u771f\u8fd8\u539f\u3002DSD\u5236\u5f0f\u7684\u53d6\u6837\u9891\u7387\u4e3a2.8224MHz\uff0c\u8f83\u4f20\u7edfCD\u7684\u53d6\u6837\u9891\u7387 44.1kHz\u9ad8\u51fa64\u500d\uff0c\u800c\u603b\u7684\u4fe1\u606f\u5bb9\u91cf\u4e3a\u4f20\u7edfCD\u76844\u500d\u3002\u7406\u8bba\u4e0a\u53ef\u4ee5\u628a\u9891\u54cd\u8303\u56f4\u6269\u5c55\u81f30Hz-400kHz\uff0c\u8fd9\u5c31\u5927\u5927\u8d85\u8d8a\u4f20\u7edfCD\u768420 kHz\u7684\u6781\u9650\u3002\u800c64\u500d\u4e8eCD\u7684\u8d85\u53d6\u6837\u9891\u7387\uff0c\u53c8\u53ef\u4f7f\u542c\u57df\u8303\u56f4\u7684\u91cf\u5316\u566a\u58f0\u5b8c\u5168\u88ab\u5206\u914d\u5230\u4eba\u8033\u7684\u542c\u57df\u4e4b\u5916\u3002\u66f4\u56e0\u4e3aDSD\u6280\u672f\u4e2d\u53c8\u5f00\u53d1\u4e86\u6240\u8c13\u7684”\u566a\u58f0\u6574\u5f62\u7535\u8def”\u53ef\u8fdb\u4e00\u6b65\u628a\u53ef\u95fb\u9891\u5e26\uff080 ~ 20kHz\uff09\u5185\u7684\u566a\u58f0\u8fdb\u4e00\u6b65\u8f6c\u79fb\u523020kHz\u4ee5\u4e0a\u7684\u8d85\u97f3\u9891\u8303\u56f4\u4e2d\u53bb\uff0c\u4ece\u800c\u4ee4SACD\u7684\u4fe1\u566a\u6bd4\u9ad8\u8fbe120dB\u4ee5\u4e0a\uff01SACD\u4e0eDVD-Audio\u6bd4\u8f83\uff0c\u4e24\u8005\u539f\u7406\u867d\u7136\u4e0d\u540c\u3001\u7535\u8def\u4e5f\u5404\u6709\u5dee\u5f02\uff0c\u4f46\u90fd\u6bd4\u4f20\u7edfCD\u7684\u97f3\u8d28\u6539\u5584\u751a\u591a\u3002\u800c\u5c31\u6280\u672f\u6307\u6807\u800c\u8a00\uff0cSACD\u548cDVD-Audio\u53ef\u8c13\u65d7\u9f13\u76f8\u5f53\u3002\u56e0\u800c\u4e24\u8005\u4e4b\u4e89\u81f3\u4eca\u4e5f\u65e0\u6cd5\u7edf\u4e00\u3002\u4f46\u5c31\u76ee\u524d\u7684\u60c5\u51b5\u800c\u8a00\uff0cSACD\u59cb\u7ec8\u4fdd\u6301\u7740\u9886\u5148\u7684\u5730\u4f4d\u3002<\/p>\n
\u9996\u5148\uff1a\u5728\u786c\u4ef6\u4f9b\u5e94\u65b9\u9762\uff0cSACD\u5df2\u5148\u4e00\u6b65\u8d70\u5230DVD-Audio\u4e4b\u524d\uff0c\u65e9\u5728\u4e24\u3001\u4e09\u5e74\u524d\uff0cSONY\u516c\u53f8\u5c31\u6709\u4e00\u6b3e\u8f70\u52a8\u4e1a\u754c\u7684SCD-1\u65d7\u8230\u95ee\u4e16\uff0c\u4e4b\u540e\u63a5\u8e35\u800c\u6765\u7684SCD-777SE\u3001SCD-555\u3001SCD-XB940\uff0c\u751a\u81f3\u5f71\u97f3\u517c\u5bb9\u7684 DVP-S9000ES\u3001Manantz\u516c\u53f8\u7684SA-1\u3001SHARP\u516c\u53f8\u7684DX-SX1\u3001\u5148\u950b\u516c\u53f8\u7684DXAX100\uff1b\u98de\u5229\u6d66\u516c\u53f8\u7684SACD1000\uff0c\u8fd8\u6709\u65e5\u672c\u8457\u540d\u7684Hi-Fi\u7cbe\u54c1\u55d3\u5b50DP-100\/DC-101\u5206\u4f53\u673a\uff0c\u5176\u5b83\u5982\u65e5\u672c\u5b89\u6865\u3001\u7231\u534e\u3001\u7b2c\u4e00\u97f3\u54cd\u7b49\u7b49\uff0c\u4e0d\u80dc\u679a\u4e3e\u3002\u800cDVD-Audio\u9635\u5bb9\u5230\u76ee\u524d\u4e3a\u6b62\u4e5f\u4ec5\u6709\u677e\u4e0b\u3001\u80dc\u5229\u3001\u5929\u9f99\u7b49\u51e0\u5bb6\u516c\u53f8\u7684\u5c11\u91cf\u54c1\u79cd\u5e94\u5e02\u3002\u4e0d\u8fc7\u8fd1\u6765DVD-Audio\u4e5f\u5728\u52a0\u5feb\u6b65\u4f10\u8ffd\u8d76\u3002<\/p>\n
\u5176\u6b21\uff0c\u8f6f\u4ef6\u4f9b\u5e94\u65b9\u9762\u4e5f\u662fSACD\u6377\u8db3\u5148\u767b\uff0c\u81f3\u4eca\u5df2\u6709\u8d85\u8fc7300\u6b3eSACD\u5531\u7247\u9762\u4e16\uff0c\u56fd\u5185\u770b\u5f97\u5230\u7684\u4e5f\u6709\u8fd1\u767e\u79cd\uff0c\u5176\u4e2dSONY\u548cPhilips\u4e00\u65b9\u9762\u51ed\u501f\u81ea\u5df1\u65d7\u4e0b\u7684\u5531\u7247\u516c\u53f8\u6e90\u6e90\u4e0d\u65ad\u5730\u51fa\u7248SACD\u789f\u4ee5\u793a\u652f\u6301\u3002<\/p>\n
\u53e6\u4e00\u65b9\u9762\u66f4\u8bf4\u670dTelarc\u3001DMP\u3001\u62ff\u7d22\u4e1d\u3001DIGITAL\u7b49\u53d1\u70e7\u5531\u7247\u516c\u53f8\u52a0\u76dfSACD\u9648\u8425\uff0c\u4e0d\u65ad\u63a8\u51faSACD\u8f6f\u4ef6\u7ed9\u5e7f\u5927\u6d88\u8d39\u8005\u9020\u6210\u4e86”\u5148\u5165\u4e3a\u4e3b”\u7684\u6781\u6df1\u5370\u8c61\u3002\u800cDVD-Audio\u5374\u65f6\u4e56\u547d\u8e47\uff0c\u8fd8\u5728\u6447\u7bee\u4e2d\u5c31\u88ab\u8ba1\u7b97\u673a\u9ed1\u5ba2\u7834\u89e3\u4e86\u9632\u76d7\u7248\u5bc6\u7801\uff0c\u4ece\u800c\u5927\u5927\u63a8\u8fdf\u4e86DVD-Audio\u5531\u7247\u63a8\u51fa\u7684\u65f6\u95f4\u8868\uff0c\u8fd9\u4e5f\u662f\u8bb8\u591a\u9971\u53d7\u76d7\u7248\u4e4b\u82e6\u7684\u5531\u7247\u516c\u53f8\u6682\u4e0d\u8003\u8651\u5bf9DVD-Audio\u9635\u8425\u652f\u6301\u7684\u4e3b\u8981\u539f\u56e0\u3002<\/p>\n
\u6863\u6b21\u65b9\u9762\uff1aSACD\u4e00\u5f00\u59cb\u5c31\u628a\u81ea\u5df1\u5b9a\u4f4d\u4e8eHi-end\u7ea7\u522b\uff0c\u7d22\u5c3c\u63a8\u51fa\u7684\u7b2c\u4e00\u53f0\u65d7\u8230SCD-1\u53ef\u8c13\u6781\u5c3d\u53d1\u70e7\u4e4b\u80fd\u4e8b\uff0c\u65e0\u8bba\u5185\u90e8\u7528\u6599\u3001\u6574\u673a\u5de5\u827a\u90fd\u4e25\u683c\u6309Hi-end\u5531\u673a\u89c4\u683c\u8bbe\u8ba1\uff0c\u4ee5\u540e\u63a8\u51fa\u7684\u4e2d\u4f4e\u6863\u673a\u578b\u4e5f\u4e25\u683c\u6309\u539a\u91cd\u6c89\u7a33\uff0c\u7528\u6599\u5b9e\u5728\u7684\u53d1\u70e7\u7406\u5ff5\u8bbe\u8ba1\u5236\u9020\u3002\u6df1\u53d7\u5e7f\u5927Hi-Fi\u53d1\u70e7\u53cb\u7684\u9752\u772f\u4e0e\u80af\u5b9a\u3002\u800cDVD-Audio\u9635\u8425\u5728\u4e0eSACD\u7684\u4e89\u6597\u4e2d\uff0c\u4e00\u76f4\u628aDVD-Audio\u5f53\u4f5c\u662f\u4e00\u79cd\u82b1\u8d39\u4e0d\u591a\uff0c\u6548\u679c\u4e0d\u9519\u7684\u529f\u80fd\u9644\u52a0\u5728\u666e\u53ca\u578bDVD\u5f71\u789f\u673a\u4e0a\u8fdb\u884c\u5ba3\u4f20\u7684\uff0c\u7ed9\u4eba\u7684\u5370\u8c61\u662f\u4e00\u79cd\u5927\u8def\u8d27\uff0c\u52a0\u4e4bDVD-Audio\u529f\u80fd\u4f17\u591a\u4f46\u5e76\u4e0d\u4e13\u4e00\uff0c\u673a\u8eab\u7ea4\u8584\uff0c\u7528\u6599\u4e00\u822c\uff0c\u6545\u5728\u5e7f\u5927\u97f3\u54cd\u53d1\u70e7\u53cb\u5fc3\u76ee\u4e2d\u5e76\u4e0d\u597d\u770b\uff0c\u4ece\u800c\u5728\u6863\u6b21\u4e0a\u8f93\u7ed9\u4e86SACD\u3002<\/p>\n
\u97f3\u8d28\u65b9\u9762\uff1a\u7531\u4e8eSACD\u81ea\u8eab\u7684\u5b9a\u4f4d\u4ee5\u53ca1\u6bd4\u7279\u91cf\u5316DSD\u76f4\u63a5\u6570\u636e\u6d41\u5728\u6280\u672f\u65b9\u9762\u7684\u7b80\u6d01\u548c\u4f18\u52bf\uff0c\u5927\u591a\u6570\u8d44\u6df1\u7684\u97f3\u54cd\u53d1\u70e7\u53cb\u7ecf\u8fc7\u4eb2\u8033\u8046\u542c\u540e\uff0c\u4e3b\u89c2\u611f\u89c9\u90fd\u8ba4\u4e3aSACD\u5728\u97f3\u8d28\u4e0a\u7565\u80dc\u4e00\u7b79\u3002\u56e0\u800c\u97f3\u54cd\u754c\u8bb8\u591a\u670b\u53cb\u90fd\u8ba4\u4e3a\uff0c\u82e5\u7ec4\u5efa\u5bb6\u5ead\u5f71\u9662\u517c\u5bb9 Hi-Fi\uff0cDVD-Audio\u5e94\u8be5\u662f\u9996\u9009\u3002\u4f46\u82e5\u4ee5\u73a9\u9ad8\u4fdd\u771f\u97f3\u4e50\u4e3a\u4e3b\uff0c\u7279\u522b\u662f\u4ee5\u8ffd\u6c42\u97f3\u8d28\u97f3\u8272\u7684\u81f3\u771f\u81f3\u7eaf\u4e3a\u76ee\u7684\u7684\u670b\u53cb\u800c\u8a00\uff0cSACD\u662f\u60a8\u7406\u60f3\u7684\u9009\u62e9\u3002<\/p>\n
XRCD<\/b><\/p>\n
xrcd\u662f\u91c7\u7528\u65e5\u672cJVC\u516c\u53f8\u5f00\u53d1\u7684K2\u63a5\u53e3\uff0c\u5305\u62ec\u4e86Mastering\u8bbe\u5907\u3001\u5236\u9020\u5de5\u5e8f\u3001\u786c\u4ef6\u4e0e\u7406\u8bba\u7b49\u591a\u65b9\u9762\u6210\u679c\u3002\u53d1\u660e\u8fd9\u4e00\u6280\u672f\uff0c\u5728CD\u5236\u4f5c\u7684\u5404\u4e2a\u73af\u8282\u90fd\u4ee5\u72ec\u521b\u7684\u4e3b\u65f6\u949f\u7cfb\u7edf\u5bf9\u65f6\u57fa\u8fdb\u884c\u63a7\u5236\uff0c\u4f7fCD\u5236\u7248\u7684\u6296\u6643\u5931\u771f\u7cfb\u6570\u4ee5\u53ca\u73bb\u7483\u6bcd\u6a21\u7684\u7ec4\u8bef\u5dee\u7cfb\u6570\u6709\u5927\u5e45\u964d\u4f4e\uff0c\u5236\u7248\u7cbe\u5ea6\u76f8\u5e94\u5730\u5219\u6709\u5927\u5e45\u63d0\u9ad8\uff0c\u4ece\u800c\u4f7fCD\u5236\u4f5c\u4e2d\u7684\u4fdd\u771f\u5ea6\u6709\u4e86\u5f88\u5927\u7684\u4fdd\u8bc1\u3002<\/p>\n
xrcd\u53ef\u4ee5\u8bf4\u662f\u5b8c\u7f8e\u768416\u4f4d,\u4e0d\u9700\u8981\u4efb\u4f55\u9644\u52a0\u8bbe\u5907,\u5728\u4efb\u4f55\u4e00\u90e8\u5531\u673a\u4e0a\u90fd\u80fd\u8868\u73b0\u51faCD \u7684\u6700\u9ad8\u97f3\u54cd\u6548\u679c\u6765\u3002\u5728\u5b8c\u5168\u4e00\u6837\u7684\u97f3\u54cd\u7cfb\u7edf\u4e0a\uff0cxrcd\u5f88\u660e\u663e\u5728\u900f\u660e\u5ea6\u3001\u9ad8\u9891\u7684\u5706\u6ed1\u5ef6\u4f38\u3001\u7acb\u4f53\u611f\u4e0e\u73e0\u5706\u4e00\u6ed1\u7684\u8d28\u611f\u7b49\u65b9\u9762\uff0c\u8981\u80dc\u8fc7\u539f\u7248CD\u3002\u597d\u900f\u660e\u7684\u58f0\u97f3\uff0c\u597d\u5e72\u51c0\u7684\u80cc\u666f\uff0c\u4e1d\u6beb\u4e0d\u5e26\u706b\u6c14\u4e0e\u6bdb\u8fb9\u7684\u4e50\u5668\u4e0e\u4eba\u58f0\uff0c\u8fd9\u662f\u9996\u6b21\u542cXRCD\u8005\u5171\u540c\u7684\u5370\u8c61\u3002\u539f\u6765\u7684CD\u90fd\u50cf\u6709\u4e00\u5c42\u8584\u96fe\u906e\u63a9\u5728\u8046\u542c\u8005\u4e0e\u6f14\u594f\u8005\u4e4b\u95f4\u3002xrcd\u5982\u540c\u4e00\u9635\u98ce\u5439\u6563\u4e86\u8f7b\u70df\uff0c\u773c\u524d\u4e00\u7247\u901a\u6e05\u660e\u6717\u3002<\/p>\n
xrcd2\u5219\u662fxrcd\u7684\u5347\u7ea7\u7248\u3002<\/p>\n
XRCD2<\/b><\/p>\n
xrcd2\u5411\u5b8c\u5584\u7684\u6570\u7801\u97f3\u9891\u8fd9\u4e00\u76ee\u6807\u524d\u8fdb\u4e86\u4e00\u5927\u6b65\uff0c\u5979\u662fJVC\u591a\u5e74\u6765\u523b\u610f\u8ffd\u6c42\u518d\u73b0\u539f\u97f3\u7684\u4ee3\u8868\u6027\u6280\u672f\u6210\u679c\u3002xrcd2\u662f\u901a\u8fc7\u5bf9\u6bcd\u7248\u8fdb\u884c\u827a\u672f\u52a0\u5de5\u53ca\u5de5\u4e1a\u52a0\u5de5\u8fc7\u7a0b\u4e2d\uff0c\u5bf9\u6709\u5173\u7684\u8bbe\u5907\u53ca\u7406\u8bba\u8fdb\u884c\u6df1\u5c42\u6b21\u7814\u7a76\u540e\u624d\u5f00\u53d1\u51fa\u6765\u7684\u5f55\u97f3\u5236\u54c1\uff0c\u5979\u5c06xrcd\u7cfb\u5217\u4ee5\u66f4\u52a0\u5353\u8d8a\u7684\u7248\u672c\u65b9\u5f0f\u63d0\u4f9b\u7ed9\u8ffd\u6c42\u9ad8\u6c34\u51c6\u97f3\u8d28\u7684\u542c\u4f17\u3002\u540c\u65f6\uff0c\u4e0exrcd\u5bb6\u65cf\u7684\u5176\u5b83\u4ea7\u54c1\u4e00\u6837\uff0c\u5b83\u4e0d\u5fc5\u4f7f\u7528\u7279\u6b8a\u89e3\u7801\u5668\u53ca\u4e13\u7528\u7684CD\u5531\u673a\u3002<\/p>\n
\u901a\u5e38\u7684CD\u52a0\u5de5\u5de5\u5e8f\u662f\u5728\u6574\u7406\u6bcd\u7248\u540e\uff0c\u7528U- matic1630\u683c\u5f0f\u78c1\u5e26\u6216\u8005PMCD\u3001DDP\u78c1\u5e26\u7684\u8f7d\u4f53\u5f62\u6001\u9001\u5230\u52a0\u5de5\u5de5\u5382\u53bb\u538b\u7247\u3002\u6b64\u540e\uff0c\u8868\u6f14\u8005\u3001\u5236\u7247\u4eba\u3001\u5bfc\u6f14\u53ca\u5f55\u97f3\u5e08\u53ea\u80fd\u7948\u7977\u4ece\u5de5\u5382\u51fa\u6765\u7684\u4ea7\u54c1\u2014CD \u662f\u4e0e\u4ed6\u4eec\u6240\u7cbe\u5fc3\u521b\u4f5c\u7684\u4f5c\u54c1\u58f0\u97f3\u4e0d\u8981\u53d1\u751f\u592a\u5927\u7684\u53d8\u5316\u3002\u5f55\u97f3\u68da\u548c\u751f\u4ea7\u52a0\u5de5\u5de5\u5382\u4e4b\u95f4\u6ca1\u6709\u4e00\u4e2a\u58f0\u97f3\u7684\u5224\u65ad\u57fa\u51c6\uff0c\u5373\u4f7f\u6570\u7801\u7cfb\u5217\u662f\u6b63\u786e\u7684\uff0c\u4e5f\u672a\u5fc5\u4fdd\u8bc1\u5b9e\u73b0\u6700\u9ad8\u97f3\u8d28\u7684\u518d\u73b0\u3002\u53e6\u5916\uff0cCD\u7684\u751f\u4ea7\u5de5\u5e8f\u662f\u7531\u591a\u79cd\u8bbe\u5907\u53ca\u6280\u672f\u6784\u6210\u7684\uff0c\u7ed3\u679c\u662f\u5176\u97f3\u8d28\u4e5f\u53d7\u5404\u79cd\u8bbe\u5907\u7684\u72b6\u51b5\u6240\u5de6\u53f3\u3002\u8fd9\u610f\u5473\u7740\u8981\u60f3\u5fe0\u5b9e\u518d\u73b0\u8bb0\u5f55\u5728\u539f\u59cb\u6bcd\u7248\u4e0a\u7684\u58f0\u97f3\uff0c\u5fc5\u987b\u5bf9\u4ece CD\u6bcd\u7248\u7684\u8c03\u97f3\u5236\u4f5c\u5230\u751f\u4ea7\u52a0\u5de5\u7684\u6bcf\u4e00\u4e2a\u7ec6\u5c0f\u73af\u8282\u90fd\u8981\u7cbe\u5fc3\u7684\u5b9e\u73b0\u8ffd\u6c42\u3002\u56e0\u6b64\uff0c\u4e0d\u80fd\u53ea\u6ee1\u8db3\u73b0\u6709\u68c0\u6d4b\u6570\u636e\u5355\u7eaf\u7684\u9ad8\u6307\u6807\u3002\u6240\u4ee5\uff0c\u4e0d\u53ea\u662f\u4f9d\u9760\u5355\u7eaf\u7684\u6d4b\u8bd5\u6570\u636e\uff0c\u800c\u662f\u52a0\u4e0a\u6d3b\u7528\u957f\u671f\u4ee5\u6765\u7684\u542c\u89c9\u611f\u53d7\uff0c\u5224\u65ad\u91c7\u7528\u4e86\u6700\u597d\u542c\u89c9\u6548\u679c\u7684\u7cbe\u826f\u8bbe\u5907\u6784\u6210\u65b9\u6848\u3002\u8fd9\u79cd\u52aa\u529b\u751a\u81f3\u5305\u62ec\u4ece\u5b89\u88c5\u53ca\u8fde\u63a5\u65b9\u6cd5\u3001\u4ea4\u6d41\u7535\u6e90\u7cfb\u7edf\u3001\u65f6\u949f\u7684\u7cbe\u5ea6\u3001\u8bb0\u5f55\u683c\u5f0f\u3001\u4ea4\u63a5\u7cfb\u7edf\u76f4\u81f3\u751f\u4ea7CD\u7684\u6750\u8d28\u90fd\u4f5c\u4e86\u5404\u79cd\u7ec4\u5408\u7684\u6d4b\u8bd5\uff0c\u5176\u7ed3\u679c\u5373\u662fxrcd2\u3002\u5979\u662f\u8fc4\u4eca\u4e3a\u6b62\u6bd4\u4efb\u4f55CD\u90fd\u660e\u4e86\u7684\u5bf9\u539f\u97f3\u8fdb\u884c\u4e86\u9c9c\u660e\u3001\u6e05\u6670\u7684\u5fe0\u5b9e\u63cf\u5199\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u6210\u529f\u63d0\u4f9b\u97f3\u8d28\u66f4\u52a0\u5353\u8d8a\u7684CD\u3002<\/p>\n
xrcd2\u7684\u5de5\u827a\u662f\u4ece\u5bf9\u6bcd\u7248\u7684\u52a0\u5de5\u5f00\u59cb\u7684\u3002\u5148\u5c06\u6a21\u62df\u4fe1\u53f7\u7ecf\u8fc7\u7279\u5236\u7684\u6bcd\u7248\u52a0\u5de5\u4e13\u7528\u8c03\u97f3\u53f0\uff0c\u518d\u7528JVC\u4ea720\u6bd4\u7279K2 \u6a21\/\u6570\u8f6c\u6362\u5668\u8f6c\u6362\u6210\u6570\u7801\u4fe1\u53f7\u3002\u518d\u5c06\u8fd9\u4e2a20\u6bd4\u7279\u6570\u7801\u4fe1\u53f7\u901a\u8fc7\u65b0\u5f00\u53d1\u7684\u6570\u7801K2\u4eceSDIF-2\u63a5\u53e3\u5668\u8f93\u51fa\uff0c\u8bb0\u5f55\u5728\u78c1\u5149\u76d8\uff08MO\uff09\u4e0a\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u7528\u6570\u7801K2 \u906e\u65ad\u6570\u7801\u90e8\u5206\u7ed9\u6a21\u62df\u90e8\u5206\u5e26\u6765\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u9ad8\u7eaf\u5ea6\u6a21\u6570\u53d8\u6362\u3002\u53e6\u5916\uff0cxrcd2\u7684\u52a0\u5de5\u5de5\u5e8f\u4f7f\u7528\u4e86\u5177\u6709\u5b89\u5b9a\u6027\u53ca20\u6bd4\u7279\u4ee5\u4e0a\u8bb0\u5f55\u80fd\u529b\u7684\u78c1\u5149\u76d8\u4f5c\u4e3a\u9001\u5230\u751f\u4ea7\u5de5\u5e8f\u7684\u97f3\u9891\u8bb0\u5f55\u8f7d\u4f53\u3002<\/p>\n
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Xrcd \u6280\u672f\u5df2\u5f97\u5230\u4e1a\u754c\u7684\u4e00\u81f4\u597d\u8bc4\uff0c\u800c\u6700\u65b0\u95ee\u4e16\u7684xrcd2\u7248\u672c\u4ea7\u54c1\uff0c\u66f4\u52a0\u5f3a\u4e86xrcd\u7cfb\u5217\u5fe0\u5b9e\u518d\u73b0\u539f\u97f3\u7684\u4f18\u52bf\u3002JVC\u516c\u53f8\u4e3a\u4e86\u4fdd\u6301xrcd\u54c1\u724c\u7684\u4f18\u52bf\uff0c\u5728\u9009\u62e9\u6bcd\u5e26\u54c1\u8d28\u4e0a\u6781\u4e3a\u4e25\u683c\uff0c\u800c\u4e14\u5bf9\u6bcd\u5e26\u7684xrcd\u518d\u5236\u4f5c\u3001\u523b\u6bcd\u76d8\u3001\u538b\u7247\u7b49\u5404\u5de5\u5e8f\u90fd\u6709\u4e25\u683c\u7684\u8981\u6c42\uff0c\u52a0\u4e4b\u6280\u672f\u4fdd\u5bc6\u7b49\u539f\u56e0\uff0cJVC\u516c\u53f8\u4e25\u683c\u89c4\u5b9a\u53ea\u80fd\u5728\u672c\u516c\u53f8\u7684\u672c\u571f\u7684\u5b9a\u70b9\u5236\u4f5c\u5ba4\u53ca\u5b9a\u70b9\u5de5\u5382\u52a0\u5de5\u751f\u4ea7\u3002\u7531\u4e8e\u8fd9\u4e9b\u7279\u6027\uff0c\u5373\u4f7f\u662f\u4ee5\u6570\u7801\u5bf9\u6570\u7801\u7684\u523b\u5236\u6bcd\u76d8\u8fd9\u6837\u4e25\u683c\u65b9\u5f0f\u8fdb\u884c\u975e\u6cd5\u590d\u5236\uff0c\u52a0\u5de5\u65f6\u4e0d\u4f7f\u7528xrcd\u6280\u672f\uff0cxrcd\u7684\u4f18\u52bf\u4e5f\u5c06\u6beb\u65e0\u663e\u73b0\u3002\u56e0\u6b64xrcd\u53c8\u88ab\u79f0\u4e3a\u662f\u201c\u4e0d\u80fd\u88ab\u76d7\u7248\u7684\u5149\u76d8\u201d\u3002<\/p>\n
HDCD<\/b><\/p>\n
HDCD\u5373High Definition Compatible Digital\uff08\u9ad8\u89e3\u6790\u5ea6\u517c\u5bb9\u6027\u6570\u7801\u6280\u672f\uff09\u7684\u7f29\u5199\uff0c\u5b83\u91c7\u7528\u4e00\u79cd\u65b0\u7684\u5f55\u97f3\u6280\u672f\uff0c\u5728\u5c06\u6bcd\u5e26\u4e0a\u7684\u6a21\u62df\u97f3\u9891\u4fe1\u53f7\u9001\u5165HDCD\u7f16\u7801\u5668\u7684\u65f6\u5019\uff0c\u4ee5\u8d85\u8fc7\u4f20\u7edfCD\u5236\u5f0f 44.1KHz\uff0c16bit\u7684\u9ad8\u89e3\u6790\u529b\u7f16\u6210\u6570\u7801\u4fe1\u53f7\uff0c\u6b64\u65f6\u4ea7\u751f\u7684\u4fe1\u53f7\u5c06\u591a\u4e8e\u666e\u901aCD\u6240\u80fd\u5bb9\u7eb3\u7684\u4fe1\u53f7\u3002
CD\u73b0\u72b6<\/p>\n
2cm \u7684CD \u6fc0\u5149\u5531\u7247\u95ee\u4e16\u81f3\u4eca\u5df2\u5341\u51e0\u5e74\u7684\u5149\u666f\u4e86\u3002\u7531\u4e8e\u5b83\u8bb8\u591a\u7279\u6709\u7684\u4f18\u52bf\u5982\uff1a\u5c0f\u578b\u3001\u5bb9\u6613\u4fdd\u5b58\u3001\u9891\u54cd\u5bbd\u3001\u4fe1\u566a\u6bd4\u9ad8\u3001\u52a8\u6001\u8303\u56f4\u5927\uff0c\u81f3\u4eca\u4ecd\u662f Hi Fi \u8bbe\u5907\u7684\u4e3b\u8981\u97f3\u6e90\u3002\u968f\u7740\u4eba\u4eec\u9274\u8d4f\u529b\u7684\u63d0\u9ad8\uff0cCD \u97f3\u6e90\u56fa\u6709\u7684\u7f3a\u9677\u4e5f\u65e5\u6e10\u7a81\u51fa\u3002\u540c\u4f20\u7edf LP \u5531\u7247\u76f8\u6bd4\uff0cCD \u6240\u64ad\u653e\u7684\u58f0\u97f3\u603b\u6709\u4e00\u70b9\u751f\u786c\u611f\uff0c\u7ec6\u8282\u5c11\uff0c\u4e34\u573a\u611f\u6b20\u7f3a\u3002\u5982\u679c\u628a\u8fd1\u51e0\u5e74\u98ce\u8d77\u7684 VCD \u97f3\u8d28\u4e5f\u5217\u4e8e\u5176\u5185\u7684\u8bdd\uff0c\u90a3\u5c31\u66f4\u4f7f\u8bb8\u591a\u70e7\u53cb\u3001\u884c\u5bb6\u4eec\u5b9b\u60dc\u4e4b\u58f0\u4e0d\u7edd\u4e86\u3002<\/p>\n
\u5bf9\u4e8e CD \u8fd9\u79cd\u56fa\u6709\u7f3a\u9677\uff0c\u5f97\u4ece CD \u5f53\u5e74\u5236\u5b9a\u7684\u7ea2\u76ae\u4e66\u89c4\u683c\u8bf4\u8d77\u3002<\/p>\n
\u9650\u4e8e\u5f53\u65f6\u5fae\u5904\u7406\u6280\u672f\u8f6f\u786c\u4ef6\u7684\u9650\u5236\uff0c1982\u5e742\u6708\u53d1\u5e03\u7684CD DA\u6fc0\u5149\u5531\u76d8\u7ea2\u76ae\u4e66\u6807\u51c6\u505a\u4e86\u5982\u4e0b\u89c4\u5b9a\uff1a\u5531\u76d8\u76f4\u5f84120mm\uff0c\u76d8\u901f1.2m\/s\u8c03\u5236\u65b9\u5f0fEFM\uff0c\u8bef\u7801\u6821\u6b63CIRC\uff0c\u6570\u636e\u901f\u73870.6Mbps\uff0c\u6570\u636e\u91cf 0.7GB\u3002\u5982\u8981\u5c06\u53d8\u5316\u7740\u7684\u6a21\u62df\u97f3\u9891\u4fe1\u53f7\u8bb0\u5f55\u5230\u8fd9\u5f20\u5149\u76d8\u4e0a\uff0c\u9996\u5148\u8981\u5bf9\u6a21\u62df\u4fe1\u53f7\u8fdb\u884c\u91c7\u6837\uff0c\u5176\u91cd\u73b0\u4fe1\u53f7\u6ce2\u5f62\u7684\u6761\u4ef6\u57fa\u4e8e\u9999\u519c\u5b9a\u7406\uff1a\u8bbe\u4fe1\u53f7\u5e26\u5bbd\u4e3aBw\uff0c\u91c7\u6837\u9891\u7387\u4e3a fs\uff0c\u5982\u6ee1\u8db3Bw<=fs\/2\u7684\u6761\u4ef6\uff0c\u5373\u53ef\u5b8c\u6574\u91cd\u73b0\u539f\u6ce2\u5f62\u3002\u57fa\u4e8e\u4eba\u8033\u53ef\u542c\u5230\u7684\u6700\u9ad8\u9891\u7387\u4e3a20kHz\u8fd9\u4e00\u7814\u7a76\u7ed3\u679c\uff0cCD\u7684\u91c7\u6837\u9891\u7387\u4e3a44.1kHz\uff0c\u5c06\u91c7\u6837\u6240\u5f97\u7684\u91c7\u6837\u503c\u76f8\u5bf9\u4e8e\u632f\u5e45\u8fdb\u884c\u79bb\u6563\u7684\u6570\u503c\u5316\u64cd\u4f5c(\u5373\u91cf\u5316)\u5c31\u53ef\u5f97\u5230\u4e00\u7cfb\u5217\u7684\u8109\u51b2\u4e32\uff0c\u518d\u52a0\u4e0aCIRC\u7ea0\u9519\u7801\u3001\u540c\u6b65\u4fe1\u53f7\u548c\u5730\u5740\u4fe1\u606f\u4e4b\u540e\uff0c\u518d\u7ecfEFM\u683c\u5f0f\u8c03\u5236\u540e\u6240\u5f97\u5230\u7684\u6570\u636e\u4fe1\u606f\u5373\u53ef\u704c\u5236\u5230CD\u5531\u7247\u4e0a\u4e86\u3002\n\n\u7531\u4e8e\u53d7\u5f53\u65f6\u6fc0\u5149\u5531\u76d8\u5bb9\u91cf\u548c\u82af\u7247\u6280\u672f\u7684\u5236\u7ea6\uff0c\u91cf\u5316\u91c7\u7528\u4e8616 bit \u64cd\u4f5c\uff0c\u5176\u80fd\u591f\u8868\u73b0\u7684\u52a8\u6001\u8303\u56f4D\u4e3aD=20lg2\uff0b1.76[dB]=98dB(n=16)\uff0c\u8fd9\u5c31\u662fCD\u7684\u7406\u8bba\u52a8\u6001\u8303\u56f4\u3002\n\n20kHz \u7684\u9891\u54cd\uff0c97dB\u7684\u52a8\u6001\u8303\u56f4\u518d\u52a0\u4e0a\u4f4e\u4e0d\u53ef\u6d4b\u7684\u6296\u6643\u5ea6\uff0c\u4f7f\u5f97\u6fc0\u5149\u7684\u5531\u76d8\u5728\u6570\u5b57\u97f3\u54cd\u9886\u57df\u4e2d\u5927\u653e\u5f02\u5f69\uff0c\u5f88\u77ed\u7684\u65f6\u95f4\u5185\u5373\u6210\u4e3aHi\ue011Fi\u653e\u58f0\u8bbe\u5907\u7684\u91cd\u8981\u97f3\u6e90\uff0c\u4ee5\u81f4\u4eba\u4eec\u6beb\u4e0d\u72b9\u8c6b\u5730\u629b\u5f03\u4e86\u78c1\u5e26\u548c\u80f6\u6728\u5531\u7247\u3002\u4f46\u662f\uff0c\u968f\u7740\u6570\u5b57\u97f3\u54cd\u8fdb\u4e00\u6b65\u6df1\u5316\u548c\u63a2\u8ba8\u3002\u8fd9\u79cd44.1kHz\/16bit\u7684\u8bb0\u5f55\u683c\u5f0f\u5176\u7f3a\u9677\u5df2\u65e5\u6e10\u7a81\u51fa\u3002\n\n\u9996\u5148\uff0c44.1kHz\u91c7\u6837\u7387\u662f\u5f71\u54cd\u97f3\u8d28\u3001\u97f3\u8272\u7684\u7b2c\u4e00\u8981\u7d20\uff0c44.1 kHz \u7684\u91c7\u6837\u80fd\u591f\u5b8c\u6574\u91cd\u73b0\u4e00\u4e2a20kHz\u7684\u6b63\u5f26\u6ce2\uff0c\u5374\u96be\u4ee5\u5b8c\u6574\u91cd\u73b0\u4e00\u4e2a7kHz\u7684\u975e\u6b63\u5f26\u4fe1\u53f7\u3002\u8fd9\u662f\u56e0\u4e3a\u975e\u6b63\u5f26\u4fe1\u53f7\u53ef\u5206\u89e3\u4e00\u4e2a\u57fa\u6ce2\u52a0\u4e0a\u4e8c\u6b21\u4e09\u6b21\u2026\u8c10\u6ce2\u7ec4\u6210\u3002\u867d\u7136\u57fa\u6ce2\u80fd\u591f\u91cd\u73b0\uff0c\u4f46\u4e09\u6b21\u4ee5\u4e0a\u7684\u8c10\u6ce2\u5728D\/A\u8f6c\u6362\u540e\u53ef\u80fd\u4e22\u5931\u6216\u7578\u53d8\uff0c\u81f3\u4f7f\u6700\u7ec8\u5f97\u5230\u7684\u6ce2\u5f62\u4e0e\u539f\u59cb\u4fe1\u606f\u4ea7\u751f\u5dee\u8ddd\uff0c\u9020\u6210\u97f3\u8272\u7684\u53d8\u5316\u3002\n\n\u53d7\u5f53\u65f6\u7684\u8ba4\u8bc6\u548c\u6761\u4ef6\u5236\u7ea6\uff0c\u6fc0\u5149\u5531\u7247\u7684\u6570\u636e\u4fe1\u606f\u8bb0\u5f55\u683c\u5f0f\u5b9a\u4e49\u4e3a16bit\u5176\u80fd\u591f\u5b9e\u73b0\u7684\u7406\u8bba\u52a8\u6001\u8303\u56f4\u4e3a98dB\uff0c\u5b9e\u9645\u4e0a\u4e3a\u7559\u6709\u4e00\u4e2a\u5b89\u5168\u88d5\u91cf\uff0c\u4ee5\u514d\u51fa\u73b0\u5f3a\u9650\u5e45\uff0c\u5c1a\u4e0d\u80fd\u5b8c\u5168\u7528\u8db3 16bit\uff0c\u52a0\u4e0a\u5f55\u5236\u7f16\u7801\u81f3\u89e3\u7801\u8fc7\u7a0b\u7684\u4e22\u5931\uff0c\u4f7f\u5f97\u52a8\u6001\u8303\u56f4\u96be\u4ee5\u7a81\u783496dB\uff0c\u8fd9\u5bf9\u4e8e\u8868\u73b0\u53e4\u5178\u6253\u51fb\u4e50(118dB)\u663e\u7136\u4e0d\u591f\u3002\u8fd9\u662f\u4eba\u4eec\u53d1\u73b0\u7684\u6570\u5b57\u97f3\u9891\u6240\u7279\u6709\u4e00\u79cd\u5931\u771f\u2014\u7f3a\u635f\u6027\u5931\u771f(Subtractive distortions)\u3002\n\n\u7531\u4e8e\u539f\u59cb\u6a21\u62df\u4fe1\u606f\u662f\u65e0\u9650\u8fde\u7eed\u53d8\u5316\u7740\u7684\u3002\u800c\u6fc0\u5149\u5531\u76d8\u4e0a\u7684\u4fe1\u606f\u662f\u5c06\u8fd9\u4e9b\u539f\u59cb\u4fe1\u606f\u5206\u621065536\u4e2a\u9636\u6bb5\u8fdb\u884c\u8bb0\u5f55\u7684\u300216bit\u7684CD\u5f55\u97f3\u4e3a\u5b8c\u5584\u4fe1\u606f\u53ea\u5f97\u628a\u5904\u7406\u9636\u6bb5\u4e4b\u95f4\u7684\u58f0\u97f3\u56db\u820d\u4e94\u5165\uff0c\u52a0\u5230\u4e0a\u4e00\u9636\u6bb5\u6216\u4e0b\u4e00\u9636\u6bb5\u4e2d\u53bb\u3002\u8fd9\u6837\u4e00\u6765\uff0cCD\u6240\u542b\u6709\u7684\u4fe1\u606f\u5373\u4f7f\u80fd\u591f\u5b8c\u5168\u590d\u539f\u4e5f\u4e0e\u539f\u6765\u7684\u58f0\u97f3\u76f8\u6bd4\u6709\u8bef\u5dee\u3002\n\n\u5982\u679c\u91cf\u5316\u7684\u7cbe\u5ea6\u9ad8\uff0c\u5219\u91cd\u73b0\u539f\u59cb\u6a21\u62df\u4fe1\u606f\u8d8a\u903c\u771f\uff0c\u7ec6\u8282\u66f4\u4e30\u5bcc\uff0c\u7528\u4e00\u4e2a16 \u4f4d\u6e38\u620f\u673a\u548c32\u4f4d\u6e38\u620f\u673a\u7684\u753b\u9762\u505a\u6bd4\u8f83\u5f88\u5bb9\u6613\u5f97\u51fa\u7ed3\u8bba\u3002\u4f4e\u4f4d\u7684\u91cf\u5316\u4f7f\u5f97\u91cf\u5316\u540e\u7684\u8bef\u5dee\u4e5f\u6bd4\u9ad8\u4f4d\u7684\u91cf\u5316\u5927\uff0c\u8fd9\u4e9b\u91cf\u5316\u540e\u4ea7\u751f\u7684\u8bef\u5dee(\u91cf\u5316\u566a\u58f0)\u4f7f\u5f97\u542c\u611f\u53d1\u523a\u3001\u6df7\u6d4a\uff0c\u5c24\u5176\u662f\u5c0f\u4fe1\u53f7\u65f6\u5f71\u54cd\u66f4\u52a0\u7a81\u51fa\uff0c\u8fd9\u4e9b\u539f\u4fe1\u53f7\u4e2d\u672a\u6709\u7684\u8c10\u6ce2\u6210\u4efd\u6784\u6210\u4e86\u6dfb\u52a0\u5931\u771f(additive distortion)\u3002\n\n\u505a\u4e3a\u6570\u5b57\u97f3\u54cd\u7684\u4e00\u4e2a\u7279\u4f8b\uff0cVCD\u6240\u8868\u73b0\u7684\u97f3\u8d28\u66f4\u662f\u5178\u578b\u7684\u6570\u5b57\u8fd0\u7b97\u540e\u5f97\u51fa\u7684\u7ed3\u679c\u3002\u5b83\u8f83\u4e4b\u666e\u901aCD\u5531\u7247\u653e\u97f3\u611f\u89c9\u66f4\u4e3a\u7a7a\u6d1e\u7f3a\u4e4f\u7ec6\u8282\u548c\u5c42\u6b21\uff0c\u9ad8\u97f3\u5c16\u523a\u611f\u66f4\u7a81\u51fa\uff0c\u8fd9\u662f\u56e0\u4e3aVCD 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ahead)\u80fd\u529b\uff0c\u6240\u4ee5\u7cfb\u7edf\u80fd\u5728\u4e00\u4e2a\u5927\u4fe1\u53f7\u5f00\u59cb\u524d\u77ac\u65f6\u6062\u590d\u589e\u76ca\uff0c\u63d0\u4f9b\u66f4\u5927\u4fe1\u606f\u5bb9\u91cf\u907f\u514d\u4fe1\u53f7\u77ac\u65f6\u8fc7\u8f7d\u3002\n\n\u5bf9\u4e8e\u8fd9\u4e2a\u4e00\u4e2a\u6bd4\u7279\u7684\u4fe1\u606f\u6269\u5f20\u91cf\uff0c\u4f55\u65f6\u64cd\u4f5c\u53d7\u5236\u4e8eHDCD\u7684\u9690\u542b\u63a7\u5236\u7801(\u7a0d\u540e\u8bb2\u5230)\uff0c\u5bf9\u4e8e\u666e\u901aCD\u64ad\u653e\uff0c\u4fe1\u606f\u65e0\u53d8\u5316\uff0c\u800c\u7528HDCD\u8bd1\u7801\u5668\u64ad\u653e\uff0c\u5219\u53ef\u5728\u9690\u542b\u7801\u7684\u63a7\u5236\u4e0b\uff0c\u4fe1\u606f\u51c6\u786e\u81a8\u80c0\uff0c\u8fbe\u5230\u5927\u52a8\u6001\u64ad\u653e\u7684\u76ee\u7684\u3002\n\n\u9ad8\u9891\u6270\u52a8\u6280\u672f(Dither)\u3002\u91c7\u7528\u9ad8\u9891\u6270\u52a8\u6280\u672f\uff0c\u53ef\u63d0\u9ad8\u91cf\u5316\u4fe1\u53f7\u7684\u5206\u8fa8\u80fd\u529b\uff0c\u4f7f\u4e4b\u91cf\u5316\u5668\u7684\u975e\u7ebf\u6027\u53d8\u6362\u7279\u6027\u5f97\u4ee5\u6539\u5584\uff0c\u964d\u4f4e\u4f4e\u7535\u5e73\u4fe1\u53f7\u7684\u8c10\u6ce2\u5931\u771f\uff0c\u800c\u4e14\u6709\u53ef\u80fd\u91cd\u73b0\u4f4e\u4e8e\u91cf\u5316\u5dee\u503c\u7684\u4fe1\u53f7\u3002\u4f46\u5982\u6dfb\u52a0\u4e0d\u5f53\uff0c\u9ad8\u9891\u632f\u8361(dither)\u5c06\u4f1a\u53d8\u6210\u771f\u6b63\u7684\u6dfb\u52a0\u566a\u58f0\u3002HDCD\u6280\u672f\u91c7\u7528\u4e86\u6539\u826f\u7684\u9ad8\u9891\u6270\u52a8\u6280\u672f\uff0c\u4f7f\u5f97\u97f3\u4e50\u7ec6\u8282\u66f4\u4e3a\u4e30\u5bcc\u800c\u566a\u58f0\u4f4e\u4e0d\u53ef\u95fb\u3002\n\nHDCD\u9690\u542b\u63a7\u5236\u7801\u3002\u5bf9\u4e8eHDCD\u7684\u6700\u540e\u91cf\u5316\u64cd\u4f5c\u90e8\u5206\uff0c\u4e3a\u51c6\u786e\u63a7\u5236HDCD\u7f16\u7801\u8bb0\u5f55\u7684\u8d85\u91cf\u4fe1\u606f\u5728\u89e3\u7801\u5668\u4e0a\u7cbe\u786e\u64ad\u653e\uff0c\u7279\u8bbe\u7f6e\u4e00\u76f8\u5173\u7684\u63a7\u5236\u4ee3\u7801\uff0c\u8fd9\u4e2a\u4ee3\u7801\u88ab\u63d2\u5165\u6570\u636e\u8bb0\u5f55\u7684\u5b57\u7ec4\u6bb5\u4e2d\u7684\u6700\u5c0f\u6709\u6548\u4f4dLSB\u4f4d\uff0c\u5982\u88ab\u666e\u901aCD\u673a\u64ad\u653e\u8be5\u7801\u4e3a\u9690\u542b\u800c\u4e0d\u88ab\u6fc0\u53d1\u3002\u7531\u4e8e\u6240\u5904\u7684\u7279\u5b9a\u4f4d\u7f6e\u4e14\u53ea\u5360LSB 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\u8be5\u5668\u4ef6\u7684\u5176\u5b83\u7279\u6027\u4e3a\uff1a<\/p>\n
\u3000\u3000\u00b7\u5177\u67092\u30014\u30018\u500d\u8d85\u53d6\u6837\u6570\u5b57\u6ee4\u6ce2
\u3000\u3000\u00b7\u53ef\u63a5\u53d724bit\u8f93\u5165\u6570\u636e\u53ca\u540c\u7cbe\u5ea6\u5904\u7406
\u3000\u3000\u00b7\u53ef\u6309\u53d732\uff5e 55kHz\u4efb\u4e00\u8f93\u5165\u53d6\u6837\u9891\u7387
\u3000\u3000\u00b7\u8f93\u51fa16\u300118\u300120\u53ca24bit\u4e0d\u540c\u6570\u636e\u683c\u5f0f
\u3000\u3000\u00b7\u5177\u6709\u6570\u5b57\u53bb\u52a0\u91cd\u529f\u80fd
\u3000\u3000\u00b7\u53ef\u75280.188dB\u6b65\u957f\u8fdb\u884c\u6570\u5b57\u97f3\u91cf\u63a7\u5236
\u3000\u3000\u00b7\u65f6\u949f\u9891\u7387\u4e3a256fs\u6216384fs\u53ef\u9009
\u3000\u3000\u00b7\u5177\u6709\u8f6f\u3001\u786c\u4e24\u79cd\u9759\u566a\u65b9\u5f0f
\u3000\u3000\u00b7\u63d0\u4f9b\u786c\u4ef6\u8bbe\u5b9a\u53ca\u7a0b\u5e8f\u65b9\u5f0f\u4e24\u79cd\u63a7\u5236\u6a21\u5f0f\uff0c
\u3000\u3000\u00b7\u63d0\u4f9b8\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u9ad8\u9891\u6270\u52a8\u6a21\u5f0f\u4ee5\u9002\u5e94\u4e0d\u540c\u7c7b\u578b\u7684DAC
\u3000\u3000\u00b7\u63d0\u4f9b\u6052\u5b9a\u8f93\u51fa\u65f6\u949f\u5230DAC\uff0c\u5373\u4f7f\u8f93\u5165\u6570\u636e\u548c\u4e3b\u8109\u51b2\u90fd\u4e22\u5931\u4e5f\u80fd\u4fdd\u8bc1DAC\u8f93\u51fa\u65e0\u504f\u79fb\u548c\u4ea7\u751f\u8109\u51b2\u7684\u53ef\u80fd<\/p>\n
\u89e3\u7801\u82af\u7247PMD 100\u7684\u7ba1\u811a\u6392\u5217\u4e0e\u4e00\u4e9b\u9876\u7ea7\u6570\u5b57\u6ee4\u6ce2\u5668\u6709\u76f8\u4f3c\u4e4b\u5904\uff0c\u5982SM5842\u3001SM5803\u3001DF1700\u7b49\uff0c\u56e0\u6b64\u5728\u6709\u4e0a\u8ff0\u6ee4\u6ce2\u5668\u7684DAC\u6216CD\u673a\u4e0a\uff0c\u901a\u8fc7\u7a0d\u52a0\u6539\u52a8\u5c31\u53ef\u5c06\u666e\u901aCD\u673a\u6216DAC\u6539\u4e3a\u5177\u6709HDCD\u89e3\u7801\u529f\u80fd\u7684\u5904\u7406\u5668\u4e86\u3002<\/p>\n
CD\u4e3a\u4ec0\u4e48\u8981\u88ab\u9676\u6c70\uff1f<\/b><\/p>\n
CD\u4e3a\u4ec0\u4e48\u8981\u88ab\u9676\u6c70\uff1f44.1KHZ\u300116BIT\u7684\u6570\u5b57\u5316\u91c7\u6837\u5bfc\u81f4\u7684\u7684\u4e22\u5931\u6027\u5931\u771f\u662f\u4ee5\u5f80\u6570\u7801\u5f55\u97f3\u7684\u7f3a\u9677\uff0c\u8fd9\u6b63\u662f\u666e\u901a CD\u7684\u4e00\u4e2a\u6839\u672c\u7684\u95ee\u9898\u300216BIT\u7684CD\u7684\u52a8\u6001\u8303\u56f4\u53ea\u670940-50DB\uff0c\u9ad8\u9891\u9897\u7c92\u611f\u4e0e\u5fae\u5f31\u7684\u8baf\u53f7\u4e27\u5931\u4ee4\u53d1\u70e7\u53cb\u65e0\u6cd5\u5fcd\u53d7\uff1b\u6b64\u5916A\/D\u548cD\/A\u8f6c\u6362\u6240\u5f15\u8d77\u7684\u6dfb\u52a0\u5931\u771f\uff0c44.1KHZ\u300116BIT\u7684\u6570\u5b57\u5316\u91c7\u6837\u5bfc\u81f4\u7684\u7684\u4e22\u5931\u6027\u5931\u771f\u662f\u4ee5\u5f80\u6570\u7801\u5f55\u97f3\u7684\u7f3a\u9677\u3002\u5728\u4e16\u7eaa\u672b\uff0c\u5bf9\u4e8eHi-end\u7ea7\u53d1\u70e7\u53cb\u6765\u8bf4\uff0c\u6700\u9753\u58f0\u7684\u97f3\u6e90\u5a92\u4ecb\u6beb\u65e0\u7591\u95ee\u4ecd\u7136\u662f\u65e9\u5df2\u6dd8\u6c70\u591a\u5e74\u7684\u6a21\u62dfLP\u9ed1\u80f6\u5531\u673a\uff01\u867d\u7136\u8981\u5fcd\u53d7\u8bf8\u5982\u6027\u566a\u6bd4\u5dee\u3001\u6613\u7528\u6027\u4f4e\u3001\u6210\u672c\u6781\u9ad8\u7b49\u7f3a\u70b9\uff0c\u4f46\u9ad8\u7ea7LP\u7cfb\u7edf\u56de\u653e\u51fa\u7684\u58f0\u97f3\u786e\u5b9e\u662f\u8981\u6bd4CD\u751a\u81f3\u73b0\u5728\u7684 SACD\u3001DVD-AUDIO\u52a8\u542c\u7684\u591a\uff0c\u65e0\u8bba\u662f\u540c\u4ef7\u4f4d\u4ea7\u54c1\u7684A\/B\u5207\u6362\u5bf9\u6bd4\u8fd8\u662f\u8ffd\u6c42\u97f3\u4e50\u97f5\u5473\u7684\u53d1\u70e7\u53cb\uff0cLP\u4ecd\u662f\u6700\u4f73\u9009\u62e9\u3002\u4f46\u65f6\u4ee3\u662f\u9700\u8981\u8fdb\u6b65\u7684\uff0c\u5982\u4f55\u6539\u8fdb\u666e\u901aCD\u7684\u97f3\u8d28\u3001\u5982\u4f55\u5168\u9762\u8d85\u8d8aLP\u7684\u97f3\u8d28\u5c24\u5176\u662fLP\u7684\u97f3\u4e50\u751f\u547d\u529b\u6210\u4e3a\u65b0\u7684\u8bfe\u9898\u3002\u663e\u7136\u5df2\u7ecf\u8bde\u751f\u8fd120\u5e74\u5149\u666f\u7684CD\u5df2\u663e\u5ec9\u9887\u8001\u77e3\uff01CD\u4e4b\u540e\u542c\u4ec0\u4e48\uff1f\u4ec0\u4e48\u662f\u6700\u4f73\u9009\u62e9\uff1f<\/p>\n
\u5ef6\u7eedCD\u53d1\u70e7\u751f\u547d\u7684\u4f7f\u8005\uff01<\/p>\n
1.\u58ee\u5fd7\u672a\u916c\u8eab\u5148\u6b7b-HDCD\uff1a<\/p>\n
HDCD\u7684\u5168\u540d\u662fHIGH DEFINITION COMPATIBLE DIGITAL\uff0c\u4e2d\u6587\u540d\u662f\u9ad8\u6e05\u6670\u517c\u5bb9\u6570\u7801CD\u3002HDCD\u8bde\u751f\u4e8e\u8457\u540d\u7684\u7f8e\u56fd\u592a\u5e73\u6d0b\u97f3\u54cd\u8f6f\u4ef6\u516c\u53f8\uff0c\u81ea1986\u5e74\u8d77\u5f00\u59cb\u7814\u7a76\uff0c\u81f31992\u5e74\u7ec8\u4e8e\u5f00\u53d1\u51fa\u4e00\u5957\u590d\u6742\u7684\u7f16\u7801\u6280\u672f\u4ece\u800c\u63d0\u9ad8\u4e86CD\u7684\u97f3\u8d28\u3002\u4f60\u53ef\u80fd\u5df2\u7ecf\u542c\u8bf4\u8fc7HDCD\u6216\u62e5\u6709\u8bb8\u591aHDCD\u76d8\u7247\uff0c\u4e5f\u53ef\u80fd\u7ecf\u5e38\u5728\u4e00\u4e9bCD\u5531\u673a\u751a\u81f3\u76d7\u7248CD\u4e0a\u770b\u5230HDCD\u7684\u6807\u8bc6\uff0c\u53ef\u5230\u5e95\u4ec0\u4e48\u662fHDCD\u5462\uff1f\u60a8\u53ef\u4ee5\u4f7f\u7528\u9ad8\u7ea7\u7684Hi-end\u7ea7CD\u673a\uff0c\u8fd9\u6837\u5373\u4f7f\u64ad\u653e\u666e\u901aCD\u4e5f\u6709\u6781\u5176\u51fa\u8272\u7684\u6548\u679c\uff0c\u5982\u4e16\u754c\u8457\u540d\u97f3\u54cd\u516c\u53f8\u9a6c\u5170\u58eb\u7684\u65d7\u8230\u4ea7\u54c1CD7\uff08\u5b9a\u4ef7 40000\u5143\u4eba\u6c11\u5e01\u5de6\u53f3\uff09\uff0c\u8fd9\u662f\u4e00\u6b3e16BIT CD\u673a\uff0c\u4f46\u5b83\u7684\u91cd\u64ad\u6548\u679c\u4f9d\u7136\u51fa\u7c7b\u62d4\u8403\uff0c\u56e0\u4e3a\u5b83\u7684A\/D\u3001D\/A\u3001\u8f6c\u76d8\u3001\u7535\u6e90\u7b49\u7b49\u8bbe\u8ba1\u4e0d\u8ba1\u6210\u672c\u3001\u51fa\u7c7b\u62d4\u8403\u3002\u4f46\u6211\u4eec\u4e0d\u80fd\u5426\u8ba4\u539f\u59cb\u768444.1KHZ\u300116BIT \u7684\u6570\u5b57\u5316\u91c7\u6837\u5bfc\u81f4\u7684\u7684\u4e22\u5931\u6027\u5931\u771f\u65e2\u6570\u7801\u5f55\u97f3\u8fc7\u7a0b\u4e2d\u7684\u635f\u5931\u662f\u6781\u5927\u7684\u3002HDCD\u65e2\u662f\u9488\u5bf9CD\u8fd9\u4e00\u5f31\u70b9\u63d0\u51fa\u7684\u6539\u8fdb\u65b9\u6848\uff0cHDCD\u53ef\u4ee5\u8bf4\u662f\u4ece\u5f55\u97f3\u5230\u518d\u751f\u7684\u5b8c\u6574\u6280\u672f\uff0c\u5f55\u97f3\u65f6\u4ee5\u4e00\u4e2a\u9ad8\u54c1\u8d28\u7684A\/D\u8f6c\u6362\u5668\u4e3a\u5f00\u7aef\uff0c\u5176\u89c4\u683c\u9ad8\u4e8e16BIT\/44.1KHZ\uff0c\u5176\u540e\u518d\u4ee511\u53ea\u6469\u6258\u7f57\u62c9DSP56001\u5904\u7406\u5668\u8fd0\u7b97\u3002\u8fd0\u7b97\u7684\u7a0b\u5e8f\u57fa\u4e8e\u97f3\u54cd\u5fc3\u7406\u5b66\u4e0e\u542c\u89c9\u751f\u7406\u5b66\uff0c\u540c\u65f6\u517c\u987e\u673a\u68b0\u539f\u7406\uff0c\u6570\u7801\u8baf\u53f7\u5728\u8fd9\u91cc\u5206\u6210\u4e24\u90e8\u5206\uff0c\u4eba\u8033\u80fd\u611f\u77e5\u7684\u4fe1\u606f\u88ab\u7f16\u7801\u4e3aPCM\u6570\u7801\u4fe1\u53f7\uff0c\u53e6\u5916\u4e00\u90e8\u5206\u88ab\u7f16\u7801\u6210\u9690\u85cf\u7684\u63a7\u5236\u4fe1\u53f7\u3002\u5f53\u4f7f\u7528\u5e26\u6709HDCD\u89e3\u7801\u7684\u673a\u5668\u64ad\u653eHDCD\u7f16\u7801\u7684\u8f6f\u4ef6\uff0c\u9690\u85cf\u7684\u4fe1\u53f7\u4f1a\u542f\u52a8\u89e3\u7801\u5668\u7684\u89e3\u7801\u529f\u80fd\uff0c\u673a\u5668\u7684\u663e\u793a\u7a97\u53e3\u7684HDCD\u6307\u793a\u706f\u70b9\u4eae\uff0c\u4fe1\u606f\u88ab\u51c6\u786e\u7684\u8fd8\u539f\u51fa\u6765\u3002\u8fd9\u4e00\u4fe1\u53f7\u968f\u540e\u4ee520BIT\u4fe1\u53f7\u53d6\u6837\u65b9\u5f0f\u8f93\u51fa\u5230\u5531\u673a\u4e2d\u7684D\/A\u8f6c\u6362\uff0c\u5c31\u4f1a\u83b7\u5f97\u66f4\u81ea\u7136\u3001\u4f4e\u5931\u771f\u4e0e\u9ad8\u52a8\u6001\u7684\u58f0\u97f3\u3002\u4f18\u70b9\uff1a\u6bd4\u8f83\u4e00\u4e2a\u7528HDCD\u7f16\u89e3\u7801\u7684\u6bcd\u5e26\u548c\u4e00\u4e2a\u4f20\u7edf\u768416bit\/44.1kHz\u7248\u672c\u7684\u6bcd\u5e26\uff0cHDCD\u53ef\u4ee5\u5f97\u5230\u66f4\u591a\u7684\u7ec6\u8282\u89e3\u6790\u5ea6\uff1b\u97f3\u8272\u7684\u8fd8\u539f\u4e5f\u66f4\u52a0\u51c6\u786e\uff1b\u9ad8\u97f3\u90e8\u5206\u66f4\u52a0\u5e73\u6ed1\uff0c\u4e5f\u5c11\u4e86\u8bb8\u591a\u4eba\u5de5\u7684\u75d5\u8ff9\uff1b\u66f4\u5bbd\u7684\u52a8\u6001\u8303\u56f4\uff1b\u5927\u52a8\u6001\u548c\u590d\u6742\u7684\u7ae0\u8282\u66f4\u6709\u900f\u660e\u5ea6\uff1b\u66f4\u5bbd\u5e7f\u7684\u58f0\u573a\uff1b\u5f53\u5176\u4ed6\u5927\u97f3\u91cf\u7684\u4e50\u5668\u6f14\u594f\u65f6\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u8046\u542c\u5c0f\u97f3\u91cf\u4e50\u5668\u7684\u7cbe\u5fae\u6f14\u7ece\u3002\u5982\u679c\u5bf9HDCD\u6bd4\u8f83\u611f\u5174\u8da3\u800c\u81ea\u5df1\u7684CD\u64ad\u653e\u673a\u53c8\u652f\u6301HDCD\u89e3\u7801\u7684\u8bdd\uff0c\u53ef\u4ee5\u89c6\u542c\u4ee5\u4e0b\u4e09\u5f20CD\u4f5c\u4e3a\u53c2\u8003\uff1a1.FIM\uff08First Impression Music\uff09 Audiophile Reference 4\uff08\u89c1\u56fe1\uff09\u4ee5HDCD\u6280\u672f\u52a0\u4e0a24K\u91d1CD\u4f5c\u4e3a\u4e3b\u6253\u62db\u724c\u7684”\u4e00\u542c\u949f\u60c5”\u516c\u53f8\u66fe\u662fHDCD\u6280\u672f\u7684\u575a\u5b9a\u652f\u6301\u8005\uff0cAudiophile Reference\u5219\u662fHDCD\u4e2d\u62db\u724c\u7684\u62db\u724c\u30022.RR\uff08Reference Recoding\uff09 TUTTI\uff01\uff08\u89c1\u56fe2\uff09\u56fd\u5185\u4fd7\u79f0”\u65e0\u654c\u5929\u789f”\u7684\u5c31\u662f\u5b83\u4e86\uff01\u65e2\u7136\u6562\u79f0\u4e3a”\u53c2\u8003\u7ea7\u5f55\u97f3”\uff0c\u5f53\u7136\u662f\u5b9e\u529b\u975e\u51e1\u4e86\uff0c\u4e0d\u4f46\u5f55\u97f3\u9753\u5230\u6781\u70b9\u800c\u4e14\u52a8\u6001\u8303\u56f4\u4e4b\u5de8\u5927\u9a87\u4eba\u542c\u95fb\uff0c\u5982\u679c\u81ea\u8ba4\u4e3a\u5668\u6750\u591f\u6863\u6b21\u5374\u4ece\u6ca1\u8bd5\u8fc7\u8fd9\u5f20\u789f\u7684\u8bdd\uff0c\u6050\u6015\u4f1a\u88ab\u4eba\u7b11\u8bdd\u7684\u54e6\u3002 3.\u9a6c\u53ef\u6ce2\u7f57\u516c\u53f8\u7684\u5415\u601d\u6e05\u7248\u300a\u56db\u5b63\u300b\uff08\u89c1\u56fe3\uff09\u4e2d\u56fd\u5c0f\u63d0\u7434\u5927\u5e08\u5415\u601d\u6e05\u75286\u628a\u4ef7\u503c\u4e0a\u4ebf\u7684\u540d\u7434\u6f14\u7ece\u7ef4\u74e6\u5c14\u7b2c\u7684\u4f20\u4e16\u540d\u4f5c\uff0c\u52a0\u4e4b\u9a6c\u53ef\u6ce2\u7f57\u516c\u53f8\u9876\u7ea7\u7684\u5f55\u97f3\u5668\u6750\u300124K\u91d1\u76d8\u3001HDCD\u6280\u672f\u8f85\u4f50\uff0c\u9020\u5c31\u4e86\u8fd9\u5f20\u6f14\u5f55\u4ff1\u4f73\u7684\u53d1\u70e7\u540d\u76d8\u3002<\/p>\n
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2.\u53eb\u597d\u4e0d\u53eb\u5ea7\u7684\u53e6\u7c7b\u738b\u8005-XRCD<\/p>\n
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1.\u65b0\u6784\u67b6\u3001\u65b0\u9635\u8425\u3001\u65b0\u4ef7\u683c–SACD\uff1aSACD\uff08Super Audio Compact Disc\uff0c\u8d85\u7ea7\u97f3\u4e50\u538b\u7f29\u5149\u76d8\u7247\uff09\u662f\u65e5\u672c\u7d22\u5c3c\u548c\u8377\u5170\u98de\u5229\u6d66\uff08\u539f\u5148\u5f00\u53d1\u51faCD\u5149\u789f\u7684\u4e24\u5bb6\u5927\u516c\u53f8\uff09\u518d\u5ea6\u8054\u624b\u7814\u5236\u51fa\u7684\u65b0\u4e00\u4ee3\u6570\u5b57\u97f3\u4e50\u5149\u789f\uff0c\u76f8\u5bf9\u4e8eHDCD\u3001 XRCD\u751a\u81f3DVD-Audio\u7684”\u6362\u6c64\u4e0d\u6362\u836f”\uff0cSACD\u53ef\u8c13\u97f3\u9891\u5c4a\u4e00\u6b21\u7ffb\u5929\u8986\u5730\u7684\u9769\u547d\u3002\u867d\u7136SACD\u548cCD\u5747\u91c7\u7528120MM\u76f4\u5f84\u789f\u7247\uff0c\u4f46SACD\u7684\u4fe1\u606f\u5bb9\u91cf\u5df2\u5927\u5927\u589e\u52a0\uff0c\u7531CD\u7684650MB\u589e\u52a0\u52304.7GB+650MB\u62168.5GB\u3002SACD\u91c7\u7528\u4e86\u4e00\u79cd\u65b0\u7684\u4fe1\u606f\u7f16\u7801\u6280\u672fDSD\ue5e4DIRECT STREAM DIGITAL\uff0c\u5373\u76f4\u63a5\u6d41\u6570\u7801\u3002\u8fd9\u79cd\u7f16\u7801\u6280\u672f\u4f7f\u97f3\u9891\u7f16\u7801\u548c\u89e3\u7801\u8fc7\u7a0b\u5f97\u5230\u7b80\u5316\u3002\u4e0eCD\u6240\u91c7\u7528\u7684\u7ebf\u6027\u8109\u51b2\u7f16\u7801\u8c03\u5236PCM PULSE CODE MODULATION\u76f8\u6bd4\uff0c\u53ef\u51cf\u5c11\u5f55\u97f3\u8fc7\u7a0b\u4e2d\u7684\u5f88\u591a\u5931\u771f\u3002DSD\u91c7\u75281BIT\u91cf\u5316\u7cbe\u5ea6\uff0c\u5bf9\u5f55\u97f3\u4fe1\u53f7\u4f5c\u8fde\u7eed\u8109\u51b2\u8c03\u5236\u76f4\u63a5\u5f55\u97f3\uff0c\u800c\u5b83\u7684\u53d6\u6837\u9891\u7387\u53c8\u9ad8\u8fbe 2.8224MHZ\uff0c\u662fCD\u768464\u500d\uff0c\u56e0\u800c\u4e0d\u9700\u5728\u5f55\u97f3\u548c\u653e\u97f3\u8fc7\u7a0b\u4e2d\u9644\u52a0\u6ee4\u6ce2\u5668\uff0c\u51cf\u5c11\u4e86\u6570\u7801\u5904\u7406\u8fc7\u7a0b\u4e2d\u7684\u5931\u771f\u3002\u7531\u4e8e\u4fe1\u606f\u6570\u7801\u5904\u7406\u8fc7\u7a0b\u4e2d\u5931\u771f\u7684\u51cf\u5c0f\uff0cSACD \u8f93\u51fa\u7684\u97f3\u9891\u4fe1\u53f7\u4e0e\u8f93\u5165\u7684\u6a21\u62df\u4fe1\u53f7\u975e\u5e38\u63a5\u8fd1\uff0c\u91cd\u653e\u9891\u5e26\u5bbd\u5ea6\u8fbe100KHZ\uff0c\u662fCD\u683c\u5f0f\u76845\u500d\uff0c\u52a8\u6001\u8303\u56f4\u4e5f\u7531CD\u768498DB\u63d0\u9ad8\u5230120DB\u3002\u6b64\u5916SACD\u91c7\u7528PSP PIT SIGNAL PROCESSING\uff0c\u5373PIT\u4fe1\u53f7\u5904\u7406\u6280\u672f\u5bf9\u7248\u6743\u8fdb\u884c\u4fdd\u62a4\uff0c\u9632\u6b62\u76d7\u7248\u548c\u975e\u6cd5\u590d\u5236\u3002SACD\u91c7\u7528\u7684PSP\u4fdd\u62a4\u6280\u672f\u5305\u62ec\u4e0d\u53ef\u89c1\u6c34\u5370\uff0c\u53ef\u89c1\u6c34\u5370\uff0c\u5185\u5bb9\u52a0\u5bc6\u7b49\u3002\u7406\u8bba\u4e0a\uff0cSACD\u7684\u9891\u54cd\u53ef\u5ef6\u4f38\u81f31.4MHz\uff0c\u7136\u800c\u5728\u5b9e\u9645\u5e94\u7528\u4e0a\u5219\u9650\u5236\u5728100kHz\u4e4b\u5185\u30021bit\u7cfb\u7edf\u662f\u5229\u7528\u4e32\u8054\u7684\u6570\u5b57\u6bd4\u8f83\u5668\u4f20\u8fbe\u5404\u97f3\u9891\u4fe1\u53f7\u53d6\u6837\u7535\u538b\u4e0e\u8bbe\u5b9a\u503c\u7684\u5dee\u5f02\uff0c\u5176\u4f18\u70b9\u662f1bit\u6570\u6a21\u8f6c\u6362\u5668\u4ec5\u9700\u4f7f\u7528\u4e00\u4e2a\u4f4e\u901a\u6ee4\u6ce2\u5668\uff0c\u5728\u786c\u4ef6\u65b9\u9762\u7684\u6280\u672f\u8981\u6c42\u8fdc\u6bd4\u591a\u6bd4\u7279\u7684\u8f6c\u6362\u5668\u66f4\u4e3a\u7b80\u5355\uff0c\u4f46\u4ecd\u80fd\u83b7\u5f97\u9ad8\u4fdd\u771f\u7684\u539f\u97f3\u91cd\u73b0\u3002 SACD\u53ef\u4ee5\u540c\u65f6\u8bb0\u5f5574\u5206\u949f\u516d\u58f0\u9053\u7684\u97f3\u4e50\uff0c\u4ee5\u53ca\u517c\u6709\u4e24\u58f0\u905374\u5206\u949f\u7684CD\u97f3\u4e50\uff0c\u4ee5\u4fbf\u4e0e\u76ee\u524d\u7684CD\u5531\u673a\u76f8\u517c\u5bb9\u3002<\/p>\n
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2.\u7687\u5bb6\u8840\u7edf\u3001\u6b63\u5b97\u63a5\u73ed\u4eba\uff0dDVD-Audio\uff0cDVD-Audio\u662f\u7531DVD Forum Audio Working Group\uff08WG-4\uff09\u4e0eInternational Steering Committee\u5171\u540c\u5236\u8ba2\u7684\u89c4\u683c\u3002\u4ece\u5916\u8868\u6765\u770b\uff0cDVD-Audio\u540cCD\u4e00\u6837\uff0c\u5355\u5c42\u5355\u9762DVD-Audio\u789f\u7247\u53ef\u5b58\u50a84.7GB\u7684\u6570\u636e\uff0c\u5927\u7ea6\u662fCD\u789f\u7684 7\u500d\u3002\u5982\u679c\u4ee5 CD 44.1kHz\/16bit\u7684\u683c\u5f0f\u50a8\u4e24\u58f0\u9053\u7acb\u4f53\u58f0\u7684\u8bdd\uff0c\u5b58\u50a8\u65f6\u95f4\u53ef\u8fbe400\u5206\u949f\uff1b\u5982\u679c\u7528\u7ebf\u6027PCM 96kHz\/24bit\u7684\u683c\u5f0f\u76846\u58f0\u9053\uff0c\u6216\u662f\u4ee5\u96be\u4ee5\u7f6e\u4fe1\u7684192kHz\/24bit\u7684\u683c\u5f0f\u5b58\u50a82\u58f0\u9053\u7684\u58f0\u97f3\uff0c\u5b58\u50a8\u65f6\u95f4\u4e3a74\u5206\u949f\u3002\u903c\u771f\u7684\u7ec6\u8282\u518d\u751f\uff0c\u610f\u5473\u7740\u80fd\u591f\u901a\u8fc7DVD-Audio\u83b7\u5f97\u5b8c\u7f8e\u7684\u97f3\u54cd\u6548\u679c\u548c\u771f\u5b9e\u5ea6\u3002DVD-Audio\u4e0d\u4ec5\u80fd\u591f\u64ad\u653e2\u58f0\u9053\u7684\u8d85\u9ad8\u4fdd\u771f\u97f3\u54cd\uff0c\u8fd8\u80fd\u64ad\u653e\u7ebf\u6027PCM \u6700\u591a6\u4e2a\u58f0\u9053\u7684\u73af\u7ed5\u58f0\u97f3\u54cd\uff0896kHz\/24bit\uff09\u3002\u8d85\u8d8aCD\u7684\u9ad8\u97f3\u8d28\u548c\u5982\u540c\u97f3\u4e50\u5385\u822c\u7684\u5168\u65b9\u4f4d\u7acb\u4f53\u58f0\u73af\u7ed5\u97f3\u6548\uff0c\u5b9e\u73b0\u4e86\u5168\u65b0\u7684\u97f3\u4e50\u7a7a\u95f4\u518d\u751f\uff1aDVD- Audio\u80fd\u591f\u518d\u73b0\u5b9b\u5982\u5750\u5728\u89c2\u4f17\u5e2d\u4e0a\u5145\u6ee1\u73b0\u573a\u611f\u7684\u58f0\u573a\u7a7a\u95f4\uff0c\u8ba9\u60a8\u611f\u53d7\u7f6e\u8eab\u97f3\u4e50\u4f1a\u73b0\u573a\u7684\u6d53\u539a\u6c1b\u56f4\u6c14\u606f\u3002DVD-Audio\u5f15\u4ee5\u4e3a\u8c6a\u7684\u6700\u5927 192kHz\/24bit\u7684\u53d6\u6837\u9891\u7387\uff0c\u53ef\u5b8c\u7f8e\u518d\u73b0\u6f14\u594f\u73b0\u573a\u7684\u771f\u5b9e\u611f\u3002\u7531\u4e8e\u9891\u5e26\u6269\u5927\u4f7f\u5f97\u518d\u751f\u9891\u7387\u63a5\u8fd1100kHz\uff08\u7ea6CD\u76844.4\u500d\uff09\uff0c\u56e0\u6b64\u80fd\u591f\u903c\u771f\u518d\u73b0\u5404\u79cd\u4e50\u5668\u5c42\u6b21\u5206\u660e\u3001\u7cbe\u7ec6\u5fae\u5999\u7684\u97f3\u8272\u6210\u5206\u3002\u800c\u4e14\u91cf\u5b50\u5316\u6bd4\u7279\u6570\u6700\u5927\u4e3a24bit\uff0c\u786e\u4fdd\u4e86\u7ea6100kHz\u518d\u751f\u9891\u7387\u7684\u6700\u5927\u52a8\u6001\u8303\u56f4\u53ef\u8fbe144dB\u3002DVD- Audio\u5b9e\u73b0\u4e86\u6bd4CD\u9ad8\u7ea61000\u500d\u7684\u9ad8\u89e3\u6790\u80fd\u529b\u3002\u6b64\u9ad8\u9891\u5206\u91cf\u786e\u4fdd\u53ef\u64ad\u653e20kHz\u4ee5\u4e0a\u7684\u97f3\u9891\u4fe1\u53f7\uff08\u5f71\u54cd\u4eba\u5728\u53ef\u542c\u8303\u56f4\u5185\u7684\u611f\u89c9\uff09\u3002\u7531\u4e8e\u80fd\u591f\u628a\u539f\u97f3\u6ce2\u5f62\u975e\u5e38\u63a5\u8fd1\u771f\u5b9e\u7684\u8bb0\u5f55\u548c\u518d\u751f\uff0c\u6240\u4ee5\u4e0d\u4ec5\u80fd\u591f\u51fa\u8272\u6f14\u7ece\u5404\u79cd\u9ad8\u97f3\u4e50\u5668\u7684\u56fa\u6709\u97f3\u8272\u5e76\u4f7f\u5176\u5c42\u6b21\u66f4\u52a0\u6e05\u6670\u5206\u660e\uff0c\u800c\u4e14\u4e5f\u4f7f\u4e2d\u4f4e\u97f3\u4e50\u5668\u7684\u58f0\u97f3\u8fd8\u539f\u60a6\u8033\uff0c\u7acb\u4f53\u58f0\u6548\u679c\u66f4\u771f\u5b9e\uff0c\u58f0\u573a\u65b9\u4f4d\u611f\u66f4\u660e\u786e\u3002<\/p>\n
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