{"id":1136,"date":"2010-12-11T23:40:40","date_gmt":"2010-12-11T15:40:40","guid":{"rendered":"http:\/\/www.ccttours.com\/blog\/?p=1136"},"modified":"2010-12-11T23:40:40","modified_gmt":"2010-12-11T15:40:40","slug":"sc%ef%bc%9a%e7%bc%96%e8%be%91%e6%8a%80%e6%9c%af%ef%bc%8c%e9%9f%b3%e8%b4%a8%ef%bc%8c%e5%bd%95%e9%9f%b3%ef%bc%8cdsp","status":"publish","type":"post","link":"https:\/\/learn.travelchinawith.me\/?p=1136","title":{"rendered":"SC\uff1a\u7f16\u8f91\u6280\u672f\uff0c\u97f3\u8d28\uff0c\u5f55\u97f3\uff0cDSP"},"content":{"rendered":"<p>\u76ee\u524dCD\u97f3\u9891\u6807\u51c6\u662f\u7acb\u4f53\u58f0\uff0c44.1k \u91c7\u6837\u7387\uff0c16\u6bd4\u7279\u6df1\u5ea6\u3002\u8fd9\u4e0d\u662f\u4e00\u4e2a\u6b66\u65ad\u7684\u6807\u51c6\uff0c\u800c\u662f\u57fa\u4e8e\u6211\u4eec\u5bf9\u4e8e\u97f3\u9ad8\u3001\u632f\u5e45\u548c\u97f3\u8272\u7684\u542c\u89c9\u80fd\u529b\u3002\u6211\u4eec\u6709\u4e24\u53ea\u8033\u6735\uff0c\u6211\u4eec\u6700\u9ad8\u80fd\u542c\u5230\u9891\u7387\u4e3a 22k \u7684\u58f0\u97f3\uff0c\u5e76\u4e14\u80fd\u591f\u5206\u8fa8\u5728 90db \u8303\u56f4\u5185\u7684\u632f\u5e45\u3002\u7acb\u4f53\u58f0\u9002\u5e94\u4e86\u6211\u4eec\u7684\u4e24\u53ea\u8033\u6735\uff0c44.1k \u80fd\u591f\u6355\u6349\u5230 22k \u7684\u58f0\u6ce2\uff0c\u800c 16bit \u53ef\u4ee5\u521b\u9020\u4e00\u4e2a 144db \u7684\u52a8\u6001\u8303\u56f4\u3002<\/p>\n<p><!--more--><\/p>\n<h3>\u53cc\u8f68\u7f16\u8f91\u5668<\/h3>\n<p>\u53cc\u8f68\u7f16\u8f91\u5668\u4e0e\u78c1\u5e26\u673a\u5177\u6709\u76f8\u540c\u7684\u7279\u6027\u3002Sound Designer II \u662f\u6700\u521d\u7684\u6570\u7801\u7f16\u8f91\u5668\u3002\u5b83\u5728\u5c11\u91cf\u7684\u4f8b\u5982 Peak \u548c CoolEdit \u7b49\u4e13\u4e1a\u7a0b\u5e8f\u4e4b\u540e\u51fa\u73b0\uff0c\u518d\u7136\u540e\u5c31\u662f\u4e00\u5806\u5404\u79cd\u9ad8\u8d28\u7f16\u8f91\u5668\u7684\u51fa\u73b0\uff0c\u5728\u6b64\u4e0d\u4e00\u4e00\u4f8b\u4e3e\u3002\u5b83\u4eec\u4e2d\u7684\u7edd\u5927\u591a\u6570\u90fd\u63d0\u4f9b\u4e0d\u540c\u7684\u91c7\u6837\u7387\uff0c\u6bd4\u7279\u7387\u548c\u538b\u7f29\u683c\u5f0f\u4f9b\u4f60\u4f7f\u7528\u3002\u5b83\u4eec\u540c\u6837\u5177\u5907\u4e00\u4e9b\u4e3e\u51fa\u7684\u7f16\u8f91\u5de5\u5177\uff0c\u8bf8\u5982\u653e\u5927\u3001\u7f29\u5c0f\uff0c\u590d\u5236\uff0c\u526a\u5207\uff0c\u7c98\u8d34\uff0c\u6807\u8bb0\uff0c\u533a\u57df\uff0c\u591a\u7a97\u53e3\u548c\u952e\u76d8\u5feb\u6377\u952e\u3002\u6570\u7801\u5904\u7406\u5668\uff0c\u4f8b\u5982\u964d\u566a\uff0c\u6df7\u54cd\u548c\u56de\u58f0\uff0c\u5408\u6210\u548c\u8c03\u5236\u5668\uff0c\u4ee5\u53ca\u5149\u8c31\u5206\u6790\u540c\u6837\u66f4\u89c9\u666e\u904d\u3002<\/p>\n<p>\u591a\u8f68\u7a0b\u5e8f\u7684\u51fa\u73b0\uff0c\u662f\u4e3a\u4e86\u5904\u7406\u591a\u4e8e\u4e24\u89c4\u7684\u590d\u6742\u97f3\u9891\u3002\u591a\u8f68\u7f16\u8f91\u5668\u5bf9\u4e8e\u5f55\u5236\u7b80\u5355\u7684\u7acb\u4f53\u58f0\u97f3\u4e50\u4f1a\u3001\u6717\u8bf5\u548c\u6bcd\u5e26\u5904\u7406\uff08\u6700\u4f18\u5316\uff0c\u6e05\u7406\uff0c\u6de1\u5165\u3001\u6de1\u51fa\uff0c\u964d\u566a\uff0c\u6570\u4f4d\u5316\u5531\u7247\u7b49\u7b49\uff09\u5e76\u975e\u4e00\u4e2a\u597d\u7684\u9009\u62e9\u3002\u4e00\u4e2a\u597d\u7684\u5de5\u4f5c\u5ba4\u5e94\u517c\u5907\u4e8c\u8005\uff0c\u5e76\u4e14\u5de5\u7a0b\u5e08\u4e5f\u5e94\u637b\u719f\u4e8c\u8005\u3002<\/p>\n<h3>\u5e72\u51c0\u7684\u7f16\u8f91<\/h3>\n<p>\u9ad8\u8d28\u91cf\u97f3\u9891\u7684\u7b2c\u4e00\u6b65\u5373\u5e72\u51c0\u7684\u7f16\u8f91\u3002\u591a\u5e74\u4ee5\u524d\uff0c\u6211\u4eec\u7528\u5200\u7247\u548c\u80f6\u5e26\u5bf9\u6210\u5377\u7684\u78c1\u5e26\u8fdb\u884c\u7f16\u8f91\u3002\u4ed6\u4eec\u7684\u4e0b\u4e00\u4ee3\u662fDATs\u548cCD\uff0c\u5b83\u4eec\u65e0\u6cd5\u88ab\u7f16\u8f91\u3002\u786c\u76d8\u6570\u7801\u97f3\u9891\u4ee5\u5176\u4fbf\u6377\u3001\u7075\u6d3b\u7684\u64cd\u4f5c\u65b9\u5f0f\u6210\u4e3a\u4e86\u4e00\u573a\u9769\u547d\u3002\u5b83\u80fd\u7b80\u5355\u5730\u5c06\u590d\u6742\u7684\u5de5\u4f5c\u7edf\u4e00\u8d77\u6765\uff0c\u751a\u81f3\u590d\u6742\u5982\u6574\u4e2a\u4ea4\u54cd\u4e50\u56e2\u7684\u914d\u7f6e\u3002\u7cbe\u51c6\u53d8\u5f97\u7b80\u5355\uff0c\u56e0\u6b64\u4e0d\u53ef\u539f\u8c05\u7684\u5bfc\u81f4\u4e86\u4e00\u4e2a\u9519\u8bef\uff1a\u975e\u96f6\u70b9\u4ea4\u53c9\u7f16\u8f91\uff08non-zero crossing edits\uff09\u3002<\/p>\n<p>\u975e\u96f6\u70b9\u7f16\u8f91\u5373\u5f53\u4f60\u9009\u62e9\u3001\u590d\u5236\u6216\u7c98\u8d34\u5728\u4e00\u4e2a\u70b9\u65f6\uff0c\u90a3\u4e2a\u70b9\u7684\u6ce2\u4e0d\u57280\u4f4d\uff0c\u6216\u4e0d\u5728\u56fe\u8868\u7684\u4e2d\u5fc3\u3002\u8fd9\u6837\u7684\u526a\u5207\u64cd\u4f5c\u5728\u4ec5\u4ec5\u4e00\u4e2a\u91c7\u6837\u70b9\u4e0a\u9020\u6210\u6b63\u80fd\u91cf\u5230\u8d1f\u80fd\u91cf\u7684\u4e00\u4e2a\u6025\u5267\u53d8\u5316\u3002\u4e0b\u56fe\u5373\u4e00\u4e2a\u975e\u96f6\u70b9\u526a\u5207\u7684\u8303\u4f8b\uff08\u5355\u58f0\u9053\u6a21\u5f0f\uff09\u3002\uff08\u672c\u4f8b\u975e\u5e38\u7b80\u77ed\uff0c\u901a\u5e38\u4f60\u6240\u505a\u7684\u7f16\u8f91\u53ef\u80fd\u4f1a\u6301\u7eed\u6570\u5206\u949f\uff0c\u4f46\u539f\u7406\u662f\u4e00\u6837\u7684\u3002\uff09\u7b2c\u4e00\u5e45\u56fe\u5c55\u793a\u4e86\u4e00\u4e2a\u97f3\u9891\u6587\u4ef6\u7684\u9009\u62e9\u90e8\u5206\u3002\u5168\u90fd\u662f\u975e\u96f6\u7684\uff0c\u56e0\u6b64\u662f\u4e0d\u6b63\u786e\u7684\u3002\u5728\u4e0b\u4e00\u5e45\u56fe\u4e2d\uff0c\u8fd9\u4e2a\u90e8\u5206\u88ab\u5220\u9664\u4e86\u3002\u6ce8\u610f\u5728\u4e00\u4e2a\u91c7\u6837\u5185\u6ce2\u4ece\u6b63\u503c\u5230\u8d1f\u503c\u79fb\u52a8\u540e\u950b\u5229\u7684\u8fb9\u7f18\u3002<\/p>\n<figure id=\"attachment_1137\" aria-describedby=\"caption-attachment-1137\" style=\"width: 598px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p1.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1137\" title=\"6.1. \u975e\u96f6\u70b9\u4ea4\u53c9\u7f16\u8f91\" src=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p1.gif\" alt=\"6.1. \u975e\u96f6\u70b9\u4ea4\u53c9\u7f16\u8f91\" width=\"598\" height=\"509\" srcset=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p1.gif 598w, https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p1-480x408.gif 480w\" sizes=\"auto, (max-width: 598px) 100vw, 598px\" \/><\/a><figcaption id=\"caption-attachment-1137\" class=\"wp-caption-text\">6.1. \u975e\u96f6\u70b9\u4ea4\u53c9\u7f16\u8f91<\/figcaption><\/figure>\n<p>\u8fd9\u4e9b\u4e0d\u6b63\u786e\u7684\u7f16\u8f91\u4f1a\u9020\u6210\u6ef4\u7b54\u58f0\u6216\u7206\u97f3\u3002\u7531\u4e8e\u8fd9\u4e2a\u9519\u8bef\u666e\u904d\u5b58\u5728\uff0c\u7edd\u5927\u591a\u6570\u7684\u7f16\u8f91\u5668\u63d0\u4f9b\u4e86\u4e00\u4e9b\u8bf8\u5982\u4ea4\u53c9\u6de1\u5316\uff0c\u6ce2\u7684\u63d2\u503c\u6cd5\uff08interpolation\uff09\uff0c\u201c\u5bf9\u9f50\u5230\u96f6\u70b9\u201d\uff0c\u751a\u81f3\u81ea\u52a8\u7684\u201c\u4fee\u590d\u6ef4\u7b54\u58f0\u201d\u7b49\u7b80\u5355\u7684\u89e3\u51b3\u65b9\u5f0f\u3002\u4f46\u4e00\u4e2a\u8bad\u7ec3\u6709\u7d20\u7684\u5de5\u7a0b\u5e08\u5e94\u5728\u4e4b\u521d\u5c31\u907f\u514d\u5b83\u4eec\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u8c28\u614e\u9009\u62e9\u7f16\u8f91\u70b9\u6216\u5728\u505a\u590d\u5236\u7c98\u8d34\u5de5\u4f5c\u524d\u653e\u5927\u97f3\u8f68\u6765\u9009\u53d6\u96f6\u70b9\u7b49\u65b9\u5f0f\u8fbe\u5230\u3002\u8fd9\u4e00\u76ee\u6807\u5e38\u5e38\u5bf9\u4e8e\u5de6\u58f0\u9053\u53ef\u80fd\u4f4d\u4e8e0\u70b9\u800c\u53f3\u58f0\u9053\u5374\u4e0d\u5728\u7684\u7acb\u4f53\u58f0\u6587\u4ef6\u663e\u5f97\u6bd4\u8f83\u590d\u6742\u3002\u5728\u8fd9\u6837\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u5148\u524d\u6240\u8ff0\u7684\u90a3\u4e9b\u65b9\u5f0f\u77eb\u6b63\u7f16\u8f91\u70b9\u3002<\/p>\n<p>\u96f6\u70b9\u4ea4\u53c9\u7f16\u8f91\u88ab\u8ba4\u4e3a\u662f\u4e00\u79cd\u597d\u7684\u5f62\u5f0f\uff0c\u4f46\u4e00\u4e2a\u771f\u6b63\u7684\u4e13\u5bb6\u5219\u7ee7\u7eed\u5411\u524d\u4e00\u6b65\u8fdb\u800c\u9009\u62e9\u96f6\u70b9\u4ea4\u53c9\u4e0b\u884c\u7f16\u8f91\u70b9\uff08zero-crossing descending edit points\uff09\u3002\u4e00\u4e2a\u4e0b\u884c\u7f16\u8f91\u70b9\u5373\u6ce2\u4ece\u6b63\u80fd\u91cf\u5411\u8d1f\u80fd\u91cf\u79fb\u52a8\u7684\u4f4d\u7f6e\u3002\u5982\u679c\u4f60\u4ece\u96f6\u70b9\u4ea4\u53c9\u4e0b\u884c\u5904\u8fdb\u884c\u7f16\u8f91\uff0c\u4f46\u7ed3\u5c3e\u9009\u62e9\u4e00\u4e2a\u96f6\u70b9\u4ea4\u53c9\u4e0a\u884c\uff0c\u90a3\u4e48\u8fd9\u4e2a\u533a\u57df\u5c06\u786e\u5b9e\u4f4d\u4e8e\u96f6\u70b9\uff0c\u4f46\u5728\u65b9\u5411\u4e0a\u4f1a\u6709\u4e00\u4e2a\u5feb\u901f\u7684\u53d8\u5316\u3002\u4e0b\u56fe\u7b2c\u4e00\u4f8b\u5c55\u793a\u4e86\u4e00\u5bf9\u7ed3\u679c\u622a\u7136\u4e0d\u540c\u7684\u975e\u96f6\u70b9\u7f16\u8f91\u3002<\/p>\n<figure id=\"attachment_1138\" aria-describedby=\"caption-attachment-1138\" style=\"width: 674px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p2.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1138\" title=\"p2\" src=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p2.gif\" alt=\"p2\" width=\"674\" height=\"133\" srcset=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p2.gif 674w, https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p2-480x94.gif 480w\" sizes=\"auto, (max-width: 674px) 100vw, 674px\" \/><\/a><figcaption id=\"caption-attachment-1138\" class=\"wp-caption-text\">p2<\/figcaption><\/figure>\n<p>\u6570\u5b57\u97f3\u9891\u5de5\u4f5c\u7ad9\u4f7f\u7528\u4ea4\u53c9\u6de1\u5316\u4f7f\u5f97\u8fd9\u4e9b\u8f6c\u5316\u548c\u7f16\u8f91\u53d8\u5f97\u66f4\u52a0\u7b80\u5355\uff1a\u5728\u4e24\u4e2a\u97f3\u9891\u6587\u4ef6\u6216\u97f3\u9891\u6587\u4ef6\u7684\u4e24\u4e2a\u8282\u6bb5\u95f4\u505amillisecond ramping\uff08\u4e0d\u77e5\u9053\u5982\u4f55\u7ffb\u8bd1\u624d\u597d\uff0c\uff0c\u4e0d\u597d\u610f\u601d\u3002\uff09<\/p>\n<h3>\u7acb\u4f53\u58f0<\/h3>\n<p>\u6211\u4eec\u4f7f\u7528\u53cc\u8033\u6765\u5224\u5b9a\u7a7a\u95f4\u65b9\u4f4d\u3002\u5982\u679c\u4e00\u53ea\u8033\u6735\u542c\u5230\u7684\u58f0\u97f3\u66f4\u5927\uff0c\u6211\u4eec\u4fbf\u8ba4\u4e3a\u97f3\u6e90\u5728\u90a3\u8fb9\uff0c\u5982\u679c\u4e24\u53ea\u8033\u6735\u7684\u97f3\u91cf\u5747\u7b49\uff0c\u6211\u4eec\u5c31\u4f1a\u8ba4\u4e3a\u5b83\u5728\u6211\u4eec\u524d\u65b9\u3002\u4e24\u53ea\u8033\u585e\u7684\u8033\u673a\uff0c\u6216\u4e00\u95f4\u5c4b\u91cc\u7684\u4e24\u4e2a\u626c\u58f0\u5668\u91cd\u5236\u4e86\u8fd9\u4e00\u73b0\u8c61\u3002\u7acb\u4f53\u58f0\u7a0b\u5e8f\u540c\u6837\u5bf9\u4e8e\u5236\u9020\u548c\u611f\u77e5\u6765\u8bf4\u66f4\u9ad8\u6548\u3002\u626c\u58f0\u5668\u5982\u679c\u4ea7\u751f\u4e0d\u540c\u7684\u4fe1\u53f7\u5b83\u4eec\u4f1a\u66f4\u9ad8\u6548\uff0c\u5e76\u4e14\u6211\u76f8\u4fe1\uff08\u6ca1\u6709\u4efb\u4f55\u79d1\u5b66\u80cc\u666f\uff09\u5f53\u4e0d\u540c\u7684\u4e50\u5668\u652f\u914d\u6211\u4eec\u4e0d\u540c\u7684\u8033\u6735\uff08\u4ee5\u53ca\u5de6\u3001\u53f3\u8111\uff09\u65f6\uff0c\u6211\u4eec\u7684\u5927\u8111\u5bf9\u58f0\u97f3\u7684\u5904\u7406\u4e5f\u4f1a\u66f4\u9ad8\u6548\u3002<\/p>\n<p>\u8fd9\u4e00\u4e8c\u5143\u6027\uff08duality\uff09\u5ef6\u4f38\u8d2f\u7a7f\u4e86\u6574\u4e2a\u5f55\u5236\u4e0e\u56de\u653e\u7684\u8fc7\u7a0b\u3002\u6211\u4eec\u5e38\u4f7f\u7528\u4e24\u652f\u9ea6\u514b\u98ce\u4ee5\u4e00\u79cd\u7acb\u4f53\u58f0\u7684\u6a21\u5f0f\u5f55\u5236\u73b0\u573a\u97f3\u4e50\uff0c\u5728\u6df7\u97f3\u5668\u4e2d\u4f7f\u7528\u53cc\u8f68\uff0c\u7528\u53cc\u7ebf\u5916\u653e\u548c\u4e24\u652f\u653e\u5927\u5668\u3001\u4e24\u652f\u626c\u58f0\u5668\u8fdb\u884c\u56de\u653e\uff0c\u6700\u540e\u62b5\u8fbe\u6211\u4eec\u7684\u53cc\u8033\u3002<\/p>\n<h3>\u5355\u58f0\u9053<\/h3>\n<p>\u5230\u58f0\u9053\u7a0b\u5e8f\u7f3a\u4e4f\u6df1\u5ea6\u548c\u56fe\u50cf\uff08image\uff09\uff0c\u4f46\u5b83\u4eec\u66f4\u7ecf\u6d4e\u3001\u66f4\u6613\u4e8e\u5236\u4f5c\u3002\u5355\u58f0\u9053\u4fe1\u53f7\u88ab\u7528\u4e8e\u7edd\u5927\u591a\u6570\u7684PA\u7cfb\u7edf\u3001AM\u5e7f\u64ad\u548c\u7535\u89c6\u8282\u76ee\u4e2d\u3002<\/p>\n<p>\u5728\u4e00\u4e2a\u591a\u8f68\u7684\u73af\u5883\u4e2d\uff0c\u6700\u540e\u4f1a\u88ab\u6df7\u5f55\u4e3a\u7acb\u4f53\u58f0\uff0c\u4f46\u7edd\u5927\u591a\u6570\u7684\u8f68\u9053\u90fd\u662f\u88ab\u4ee5\u5355\u58f0\u9053\u6a21\u5f0f\u5f55\u5236\u3002\u5728\u6700\u540e\u6df7\u7f29\u73af\u8282\uff0c\u901a\u8fc7\u58f0\u76f8\u8c03\u8282\u5728\u4e24\u4e2a\u626c\u58f0\u5668\u95f4\u7684\u4f4d\u7f6e\u3002\u67d0\u4e9b\u8f68\uff0c\u4f8b\u5982\u94a2\u7434\uff0c\u9f13\u7ec4\uff0c\u80cc\u666f\u548c\u58f0\uff0c\u9700\u8981\u4fdd\u7559\u7acb\u4f53\u58f0\u56fe\u50cf\uff0c\u90a3\u4e48\u5b83\u4eec\u9700\u8981\u88ab\u4ee5\u7acb\u4f53\u58f0\u7684\u5f62\u5f0f\u5f55\u5236\u3002<\/p>\n<h3>\u91c7\u6837\u7387<\/h3>\n<p>\u5f71\u54cd\u91c7\u6837\u7387\u9009\u62e9\u6709\u4e09\u70b9\uff1a\u9891\u7387\u8303\u56f4\u3001\u91cf\u5316\u566a\u58f0\uff08aliasing\uff09\u548c\u6587\u4ef6\u5927\u5c0f\u3002CD\u7684\u91c7\u6837\u91cc\u57fa\u4e8e\u5c3c\u594e\u65af\u7279\u5b9a\u7406\uff08Nyquist theorem\uff09\uff0c\u5b83\u8868\u660e\u91c7\u6837\u7684\u6570\u76ee\u5fc5\u987b\u662f\u88ab\u91c7\u6837\u6700\u9ad8\u9891\u7387\u7684\u4e24\u500d\u3002\u4e00\u4e2a22k\u7684\u6ce2\u5728\u6bcf\u4e2a\u5faa\u73af\u4e2d\u5747\u6709\u4e00\u4e2a\u6ce2\u5cf0\u4e00\u4e2a\u6ce2\u8c37\uff0c\u56e0\u6b64\u8981\u91cd\u5236\u5b83\u4f60\u81f3\u5c11\u9700\u8981\u4e24\u4e2a\u6570\u5b57\uff1a\u4e00\u4e2a\u7ed9\u6ce2\u5cf0\uff0c\u4e00\u4e2a\u7ed9\u6ce2\u8c37\uff0c\u56e0\u6b64 22k \u7684\u6ce2\u9700\u898144k\u7684\u91c7\u6837\u7387\u3002\u73b0\u5728\u7edd\u5927\u591a\u6570\u6570\u5b57\u8f6c\u6362\u5668\u63d0\u4f9b\u9ad8\u81f364k\u548c96k\uff0c\u4f4e\u81f322\uff0c11\u751a\u81f35k\u7684\u91c7\u6837\u7387\u3002\u4ee5\u8f83\u4f4e\u7684\u91c7\u6837\u7387\u5f55\u97f3\u5c06\u51cf\u5c11\u88ab\u5f55\u5236\u9891\u7387\u7684\u4e0a\u5c42\u8303\u56f4\uff0c\u672c\u8d28\u4e0a\u8fc7\u6ee4\u66f4\u9ad8\u7684\u97f3\u53ca\u8c10\u6ce2\u3002<\/p>\n<p>\u72ac\u54e8\u4ea7\u751f\u8d85\u8d8a\u6211\u4eec\u542c\u89c9\u8303\u56f4\u7684\u9891\u7387\uff0c\u5f88\u591a\u4e50\u5668\u4e5f\u662f\u5982\u6b64\u3002\u90a3\u4e48\u6211\u4eec\u9700\u8981\u62c5\u5fc3\u90a3\u4e9b\u6211\u4eec\u65e0\u6cd5\u542c\u5230\u7684\u9891\u7387\u5417\uff1f\u662f\u7684\uff0c\u539f\u56e0\u6709\u4e8c\u3002<\/p>\n<p>\u7b2c\u4e00\u4e2a\u539f\u56e0\u662f\u907f\u514d\u9891\u8c31\u6df7\u53e0\uff08aliasing\uff09\u3002\u901a\u5e38\u8d85\u8d8a\u6211\u4eec\u542c\u89c9\u8303\u56f4\u7684\u9891\u7387\u4f1a\u4e0e\u91c7\u6837\u7387\u76f8\u4e92\u4f5c\u7528\uff0c\u8fdb\u800c\u4ea7\u751f\u6211\u4eec\u542c\u89c9\u8303\u56f4\u5185\u90e8\u60f3\u8981\u7684\u9891\u7387\u3002\u9891\u8c31\u6df7\u53e0\u4e0e\u7535\u5f71\u653e\u6620\u7c7b\u4f3c\u3002\u7535\u5f71\u7684\u5e27\u5c31\u50cf\u91c7\u6837\uff0c\u5bf9\u771f\u5b9e\u73b0\u8c61\u505a\u5feb\u7167\u3002\u5728\u4e00\u90e8\u7535\u5f71\u4e2d\uff0c\u5e27\u9891\u53ca\u8f6e\u76d8\u8f6c\u901f\u53ef\u4ee5\u914d\u5408\u5b9e\u73b0\u6162\u653e\u6216\u5012\u653e\u7684\u6548\u679c\u3002\u5bf9\u4e8e\u58f0\u6ce2\u6765\u8bf4\uff0c\u4e5f\u53ef\u4ee5\u505a\u540c\u6837\u7684\u4e8b\u3002\u91c7\u6837\u53ca\u5728\u7ed9\u5b9a\u4f4d\u7f6e\u4e00\u4e2a\u6ce2\u7684\u5feb\u7167\u3002\u5feb\u7167\u7684\u6bd4\u7387\u4e0e\u6ce2\u7684\u6bd4\u7387\u53ef\u4ee5\u7ed3\u5408\u521b\u5236\u4e00\u4e2a\u5b9e\u9645\u4e0a\u5e76\u4e0d\u5b58\u5728\u7684\u201c\u5e7d\u7075\u201d\u6ce2\uff0c\u5b83\u5c5e\u4e8e\u91c7\u6837\u7387\u4ee5\u53ca\u88ab\u91c7\u6837\u9891\u7387\u7684\u4e00\u4e2a\u526f\u4ea7\u54c1\u3002<\/p>\n<p>\u5c06\u51fa\u73b0\u7684\u5e76\u975e\u4f60\u60f3\u8981\u7684\u9891\u7387\u662f\u88ab\u91c7\u6837\u9891\u7387\u548c\u91c7\u6837\u7387\u4e4b\u95f4\u5dee\u5f02\u7684\u7efc\u5408\u3002\u6bd4\u5982\u8bf4\uff0c\u5982\u679c\u4f60\u4ee544100\u91c7\u6837\u4e00\u4e2a44100Hz\u7684\u9891\u7387\uff0c\u4f60\u5b9e\u9645\u4e0a\u4f1a\u5f97\u5230\u4e00\u67611Hz\u7684\u6ce2\u3002\u5982\u679c\u4ee544.1k\u91c7\u683744500Hz\u7684\u9891\u7387\uff0c\u5c06\u4ee5400hz\u544a\u7ec8\u3002<\/p>\n<p>\u56fe\u89e3\u7684\u8bdd\uff0c\u770b\u770b\u4f60\u624b\u8868\u7684\u79d2\u9488\uff0c\u6bcf\u79d2\u5f00\u3001\u95ed\u4f60\u7684\u773c\u775b\uff08\u53ca\u201c\u91c7\u6837\u201d\u4f60\u770b\u5230\u7684\u4e1c\u897f\uff09\u4e00\u6b21\u3002\u79d2\u9488\u4ee5\u6bcf\u5206\u949f\u4e00\u6b21\u7684\u6bd4\u7387\u63a0\u8fc7\u8868\u9762\u3002\u5982\u679c\u4f60\u6bcf\u79d2\u5f00\u3001\u95ed\u4f60\u7684\u773c\u775b\u4e00\u6b21\uff0c\u4f60\u53ef\u4ee5\u5f88\u6e05\u695a\u7684\u770b\u6e05\u79d2\u9488\u73af\u7ed5\u8868\u9762\u7684\u52a8\u4f5c\u548c\u9891\u7387\u3002\u90a3\u662f\u56e0\u4e3a\u4f60\u7684\u91c7\u6837\u7387\uff08\u6bcf\u5206\u949f60\u6b21\uff09\u5927\u5927\u9ad8\u4e8e\u79d2\u9488\u7684\u5faa\u73af\u5468\u671f\uff08\u6bcf\u5206\u949f\u4e00\u6b21\uff09\u3002\u73b0\u5728\u6bcf\u5206\u949f\u7741\u5f00\u4f60\u7684\u773c\u775b\u4e00\u6b21\uff0c\u51c6\u786e\u7684\u3002\u4f60\u770b\u5230\u4e86\u4ec0\u4e48\uff1f\u79d2\u9488\u662f\u9759\u6b62\u4e0d\u52a8\u7684\uff0c\u5373\u4f7f\u5b83\u4e00\u76f4\u4ee5\u6bcf\u5206\u949f\u4e00\u6b21\u7684\u9891\u7387\u5728\u4e0d\u95f4\u65ad\u8fd0\u52a8\u7740\u3002\u73b0\u5728\u6bcf59\u79d2\u7741\u5f00\u4f60\u7684\u773c\u775b\u4e00\u6b21\u3002\u7b2c\u4e00\u4e2a\u201c\u91c7\u6837\u201d\u5c06\u663e\u793a\u572859\uff0c\u4e0b\u4e00\u4e2a58\uff0c\u518d\u4e0b\u4e00\u4e2a58.\u57fa\u4e8e\u4f60\u7684\u91c7\u6837\u7387\uff0c\u4f60\u7684\u8868\u7adf\u7136\u662f\u5728\u4e0d\u65ad\u5411\u540e\u8d70\u7684\uff01\u5728\u6bcf\u5c0f\u65f6\u4e00\u6b21\u7684\u91c7\u6837\u7387\u4e0b\uff08\u5728\u56de\u52300\u524d\uff0c\u5b83\u4f1a\u91c7\u683760\u6b21\uff0c\u5927\u6982\u6bcf\u5206\u949f\u4e00\u6b21\uff09\u3002\u5982\u679c\u4f60\u7684\u91c7\u6837\u7387\u662f61\u79d2\uff0c\u770b\u8d77\u6765\u4ecd\u4f1a\u662f\u5411\u524d\u8d70\u7684\uff0c\u4f46\u6bcf\u5c0f\u65f6\u53ea\u4e00\u6b21\uff0c\u56e0\u4e3a\u6bcf\u6b21\u5f53\u4f60\u7741\u5f00\u773c\u5e76\u770b\u8d77\u6765\u4ec5\u50cf\u662f\u79fb\u52a8\u4e86\u4e00\u79d2\u7684\u65f6\u5019\uff0c\u79d2\u9488\u5176\u5b9e\u5df2\u7ecf\u8d70\u4e86\u4e00\u5708\u53c81\u79d2\u3002\u4f60\u4ec5\u662f\u5236\u9020\u4e86\u4e00\u4e2a\u770b\u8d77\u6765\u50cf\u6bcf\u5c0f\u65f6\u4e00\u6b21\u5b9e\u5219\u6bcf\u5206\u949f\u4e00\u6b21\u7684\u9891\u7387\u3002\u8fd9\u4fbf\u662f\u9891\u8c31\u6df7\u53e0\u3002<\/p>\n<p>\u4ee5\u4e00\u4e2a\u66f4\u9ad8\u7684\u91c7\u6837\u7387\u5f55\u97f3\uff0c\u6bd430k\u8fd8\u8981\u9ad8\u5f97\u591a\u7684\u91c7\u6837\u7387\uff0c\u80fd\u591f\u964d\u4f4e\u9891\u8c31\u6df7\u53e0\u7684\u98ce\u9669\u3002<\/p>\n<p>\u5173\u4e8e\u9ad8\u91c7\u6837\u7387\u7684\u7b2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\u6587\u4ef6\u5927\u5c0f vs \u91cd\u8981\u7684\u8f83\u9ad8\u9891\u7387\u3002\u5982\u679c\u4f60\u5f55\u5236\u4e00\u6bb5\u6f14\u8bb2\uff0c\u90a3\u4e48\u4e00\u4e2a\u9ad8\u81f35k\u7684\u9891\u7387\u8303\u56f4\u4fbf\u8db3\u77e3\u5e94\u4ed8\u4e00\u573a\u666e\u901a\u7684\u6f14\u8bb2\u3002\u5728\u90a3\u6837\u7684\u60c5\u51b5\u4e0b\uff0c11k\u7684\u91c7\u6837\u7387\u4fbf\u53ef\u88ab\u4f7f\u7528\u3002<\/p>\n<h3>44.1, 48, 88.2, \u4ee5\u53ca 96 K<\/h3>\n<p>\u6211\u5c06\u907f\u5f00\u590d\u6742\u7684\u91c7\u6837\u7387\u5386\u53f2\u5e76\u7b80\u5355\u6307\u51fa\u5728\u89c6\u9891\u4e16\u754c\uff0c\u6211\u4eec\u4ee548k\u548c96k\u5de5\u4f5c\u3002\u5728\u97f3\u9891\u4e16\u754c\uff0c\u6211\u4eec\u4f7f\u752844.1\u548c88.2\u3002\u5f53\u4f60\u5c06\u4e00\u4e2a\u91c7\u6837\u7387\u8f6c\u6362\u5230\u53e6\u4e00\u4e2a\u7684\u65f6\u5019\uff0c\u4f60\u5e94\u8be5\u59cb\u7ec8\u500d\u589e\u6216\u500d\u51cf\u5176\u503c\u300288.2\u523044.1\u6ca1\u95ee\u9898\uff0c96\u523048\u4e5fok\u3002\u4f4696\u523044.1\u621648\u523044.1\u5c06\u4ea7\u751f\u566a\u97f3\u3002\u5982\u679c\u4f60\u6ca1\u5f97\u9009\uff0c\u6296\u52a8\uff08dithering\uff09\u53ef\u4ee5\u4f5c\u4e3a\u8fd9\u79cd\u566a\u97f3\u7684\u8865\u507f\uff0c\u4f46\u6700\u597d\u57fa\u4e8e\u4f60\u6700\u540e\u5de5\u7a0b\u7684\u76ee\u6807\u6765\u505a\u539f\u6587\u4ef6\u3002\u5982\u679c\u4f60\u505a\u89c6\u9891\uff0c\u752848\u621696\u3002\u5982\u679c\u6700\u540e\u7684\u4ea7\u54c1\u662f\u4e00\u7247CD\uff0c\u4f7f\u752844.1\u621688.2\u3002<\/p>\n<h3>\u566a\u97f3<\/h3>\n<p>\u6bd4\u7279\u6df1\u5ea6\u53c8\u662f\u5e72\u561b\u7684\uff1f\u5728\u4fee\u6539\u4e86\u8fd9\u4e9b\u6587\u5b57\u4e03\u3001\u516b\u904d\u4e4b\u540e\uff0c\u6211\u51b3\u5b9a\u5f00\u59cb\u8fdb\u884c\u566a\u97f3\u7684\u8ba8\u8bba\uff0c\u56e0\u4e3a\u6211\u603b\u662f\u5c06\u5b83\u770b\u505a\u4e00\u4e2a\u566a\u97f3\u6e90\u3002\u56e0\u6b64\u8010\u5fc3\u4e00\u70b9\uff0c\u6211\u4eec\u5c06\u4f1a\u63a5\u89e6\u6bd4\u7279\u6df1\u5ea6\u3002<\/p>\n<p>\u9ad8\u8d28\u91cf\u5f55\u97f3\u7684\u4e0b\u4e00\u6b65\u662f\u95f2\u7f6e\u566a\u97f3\u3002\u566a\u97f3\u662f\u4efb\u4f55\u4e0d\u60f3\u8981\u7684\u58f0\u97f3\u3002\u5b83\u53ef\u4ee5\u662f\u8bf8\u5982\u7a7a\u8c03\u98ce\u6247\u3001\u7535\u8111\u98ce\u6247\u3001\u55e1\u55e1\u54cd\u7684\u706f\u6ce1\u3001\u6216\u6765\u81ea\u6df7\u97f3\u5668\uff0cfx\u539f\u4ef6\u6216\u653e\u5927\u5668\u7684\u7cfb\u7edf\u566a\u97f3\u7b49\u80cc\u666f\u566a\u97f3\uff0c\u6216\u8bf8\u5982\u5e95\u91c7\u6837\u7387\u6216\u6bd4\u7279\u6df1\u5ea6\u7684DA\u8f6c\u6362\u566a\u97f3\u3002\u4f60\u6c38\u8fdc\u65e0\u6cd5\u6d88\u9664\u566a\u97f3\uff0c\u56e0\u6b64\u6700\u597d\u7684\u9009\u62e9\u4fbf\u662f\u589e\u5f3a\u4fe1\u53f7\uff08\u4f60\u60f3\u542c\u5230\u7684\uff09\u548c\u566a\u97f3\uff08\u4f60\u4e0d\u60f3\u542c\u5230\u7684\uff09\u4e4b\u95f4\u7684\u5206\u6c34\u5cad\u3002\u8fd9\u4e2a\u5206\u6c34\u5cad\u7684\u4e13\u6709\u540d\u8bcd\u53eb\u505a\u4fe1\u566a\u6bd4\uff08signal to noise rate\uff09\u3002\u4fe1\u566a\u6bd4\u4ee5db\u8868\u8ff0\u3002\u4e00\u4e2a\u7535\u5b50\u5143\u4ef6\u6bd4\u5982\u653e\u5927\u53ef\u80fd\u4f1a\u6ce8\u660e\u5176\u4fe1\u566a\u6bd4\u4e3a\uff0d80db\u3002\u90a3\u8868\u660e\u5982\u679c\u4f60\u6b63\u5728\u8046\u542c\u4e00\u4e2a\u666e\u901a\u7684\u4fe1\u53f7\u6bd4\u5982\u4e00\u5f20CD\uff0c\u7136\u540e\u505c\u653eCD\u5e76\u589e\u5927\u589e\u76ca\uff08gain\uff0980db\uff0c\u6b64\u65f6\u653e\u5927\u5668\u5236\u9020\u7684\u81ea\u8eab\u7684\u80cc\u666f\u566a\u97f3\u5c06\u4e0e\u4f60\u521a\u624d\u542c\u5230\u7684\u4fe1\u53f7\u4e00\u6837\u54cd\u3002<\/p>\n<p>\u4e00\u4e2a\u7b80\u5355\u7684\u964d\u566a\u7b56\u7565\u4fbf\u662f\u4f7f\u7528\u9ad8\u8d28\u91cf\u7684\u8bbe\u5907\u3002\u6bd4\u5982\u8bf4\u4e00\u4e2a\u706b\u7ebf\u7684\u6df7\u97f3\u5668\uff0c\u4e00\u4e2aMbox\u6216digi002\uff08\u5c3d\u7ba1\u6211\u6301\u7eed\u542c\u5230\u5bf9\u4e8e\u5176\u8f6c\u6362\u5668\u7684\u5dee\u8bc4\uff09\u7684\u58f0\u5361\u5c06\u6bd4\u4f60\u4f7f\u7528\u7535\u8111\u7684\u677f\u8f7d\u58f0\u5361\u83b7\u5f97\u66f4\u5c11\u7684\u566a\u97f3\u3002<\/p>\n<p>\u53e6\u5916\u4fbf\u662f\u51cf\u5c11\u6216\u6392\u9664\u566a\u97f3\u6e90\uff08\u5728\u80cc\u666f\u566a\u97f3\u7684\u60c5\u51b5\u4e0b\uff09\u3002\u79fb\u5230\u4e00\u4e2a\u66f4\u5b89\u9759\u7684\u5730\u65b9\uff0c\u5173\u95ed\u51b0\u7bb1\u3001\u7535\u706f\u3001\u7535\u6247\u6216\u7535\u8bdd\u3002\u5f53\u524d\u51e0\u70b9\u9700\u8981\u5f88\u591a\u6280\u672f\u77e5\u8bc6\u800c\u88ab\u4eba\u4eec\u91cd\u89c6\u7684\u540c\u65f6\uff0c\u6211\u4eec\u73b0\u5728\u63d0\u5230\u7684\u8fd9\u70b9\u5374\u5e38\u88ab\u4eba\u5ffd\u89c6\u6389\u3002<\/p>\n<p>\u4e0b\u4e00\u4e2a\u65b9\u6cd5\u8981\u6c42\u4e00\u4e9b\u6df7\u97f3\u6280\u5de7\uff1a\u8bbe\u5b9a\u6700\u4f18\u6c34\u5e73\u3002\u5728\u5f55\u97f3\u524d\uff0c\u4f60\u5e94\u5f53\u5728\u4e0d\u4ea7\u751f\u5931\u771f\uff08\u89c1\u4e0b\u8fb9\uff09\u524d\u5c06\u8f93\u5165\u589e\u76ca\u8c03\u5f97\u5c3d\u53ef\u80fd\u5927\u3002<\/p>\n<p>\u9ea6\u514b\u98ce\u63a5\u8fd1\u662f\u8fbe\u5230\u6700\u4f18\u6c34\u5e73\u7684\u4e00\u4e2a\u65b9\u6cd5\u3002\u8fd1\u8ddd\u79bb\u7684\u9ea6\u514b\u98ce\u4f4d\u7f6e\u5c06\u589e\u5927\u4fe1\u53f7\u91cf\u3002\u4f46\u8fd9\u5e76\u4e0d\u662f\u8bf4\u4f60\u5e94\u8be5\u603b\u662f\u5c06\u9ea6\u514b\u98ce\u9760\u8fd1\u97f3\u6e90\u3002\u5f53\u5728\u4e00\u4e2a\u6709\u7740\u5f88\u597d\u7684\u58f0\u573a\u7684\u5927\u5385\u5185\u5f55\u97f3\u7684\u65f6\u5019\uff0c\u4f60\u5e94\u8be5\u5c06\u9ea6\u514b\u98ce\u79fb\u8fdc\u4ee5\u6df7\u5408\u97f3\u6e90\u53ca\u5927\u5385\u7684\u6df7\u54cd\u3002\u5728\u8fd9\u6837\u7684\u60c5\u51b5\u4e0b\uff0c\u5927\u5385\u7684\u58f0\u97f3\u4e0d\u662f\u566a\u97f3\uff0c\u800c\u662f\u4f60\u7edd\u5bf9\u613f\u610f\u5728\u5f55\u97f3\u4e2d\u52a0\u5165\u7684\u4fe1\u53f7\u3002<\/p>\n<p>\u6700\u540e\u7684\u624b\u6bb5\uff0c\u81f3\u5c11\u5bf9\u6211\u6765\u8bf4\uff0c\u662f\u6570\u7801\u964d\u566a\uff0c\u5e76\u4e14\u5e94\u8be5\u6700\u540e\u4f7f\u7528\u3002\u5f53\u4ee5\u6570\u7801\u7684\u65b9\u5f0f\u79fb\u9664\u4e0d\u60f3\u8981\u7684\u58f0\u97f3\u65f6\uff0c\u4f60\u5fc5\u987b\u8981\u6298\u4e2d\u4f60\u7684\u97f3\u8d28\u3002\u4fe1\u53f7\u5904\u7406\u662f\u4e3a\u4f4e\u8d28\u7684\u6df7\u97f3\u548c\u8bbe\u5907\u670d\u52a1\u7684\u3002\u6f2b\u65e0\u76ee\u7684\u7684\u62e7\u5404\u79cd\u65cb\u94ae\u662f\u4ee4\u4eba\u5d29\u6e83\u7684\uff0c\u4f46\u4e00\u4e2a\u8bad\u7ec3\u6709\u7d20\u7684\u5de5\u7a0b\u5e08\u6c38\u8fdc\u4e0d\u4f1a\u5230\u8fd9\u4e2a\u4efd\u4e0a\u3002\u5904\u7406\u52a0\u5de5\u6c38\u8fdc\u5bf9\u4fe1\u53f7\u59a5\u534f\u3002<\/p>\n<h3>\u5931\u771f<\/h3>\n<p>\u5931\u771f\u662f\u4efb\u4f55\u4e00\u6761\u6ce2\u7684\u9519\u8bef\u8868\u8ff0\u3002\u7531\u4f4e\u91c7\u6837\u7387\u6216\u6bd4\u7279\u7387\u521b\u9020\u7684\u952f\u9f7f\u72b6\u8fb9\u7f18\u5c31\u662f\u5931\u771f\u7684\u4e00\u4f8b\u3002\u5931\u771f\u5e38\u88ab\u521b\u9020\u6027\u7684\u4f7f\u7528\uff0c\u4ee5\u4f7f\u97f3\u6e90\u53d8\u6210\u4e00\u4e9b\u65b0\u7684\u4e1c\u897f\u3002\u4f46\u5982\u679c\u4f60\u7684\u76ee\u6807\u662f\u7cbe\u51c6\u7684\u8fd8\u539f\uff0c\u90a3\u4e48\u5b83\u5e94\u88ab\u907f\u514d\u3002<\/p>\n<p>\u7edd\u5927\u591a\u6570\u7684\u666e\u901a\u566a\u97f3\u6e90\u6765\u81ea\u5c06\u4e00\u4e2a\u97f3\u9891\u8bbe\u5907\u63a8\u81f3\u8d85\u8fc7\u5176\u53ef\u53cd\u6620\u7684\u7269\u7406\u80fd\u529b\u7684\u884c\u4e3a\u3002\u4e8e\u662f\u5a92\u4ecb\u63a5\u7740\u88ab\u201c\u9971\u548c\uff08saturate\uff09\u201d\u6216\u8fc7\u8f7d\u3002\u4efb\u4f55\u4e1c\u897f\u2014\u2014\u9ea6\u514b\u3001\u524d\u7f6e\u653e\u5927\u5668\u3001\u6df7\u97f3\u5668\u3001fx\u8bbe\u5907\u3001\u4e50\u5668\u3001\u626c\u58f0\u5668\uff0c\u751a\u81f3\u4f60\u7684\u8033\u6735\u2014\u2014\u90fd\u53ef\u4ee5\u88ab\u9971\u548c\u3002\u5f53\u97f3\u4e50\u8d85\u8d8a\u4e86\u90a3\u4e2a\u7269\u7406\u6805\u680f\uff0c\u5b83\u4fbf\u4e0d\u518d\u88ab\u518d\u751f\u5e76\u56e0\u6b64\u800c\u4e22\u5931\uff0c\u6216\u88ab\u4fee\u526a\uff08clipped\uff09\u3002\u7ed3\u679c\u4fbf\u662f\u4e0a\u5c42\u9891\u7387\u7684\u4e22\u5931\u4ee5\u53ca\u4e00\u4e2a\u6cd5\u6ecb\uff08fuzzy\uff09\u6216\u4f4e\u6c89\u7684\u58f0\u97f3\u3002<\/p>\n<p>\u5c06\u9ea6\u514b\u98ce\u65e0\u9650\u9760\u8fd1\u97f3\u6e90\u53ef\u80fd\u9020\u6210\u8fc7\u8f7d\u3002\u7edd\u5927\u591a\u6570\u9ea6\u514b\u6709\u53ef\u4ee5\u5c06\u8f93\u5165\u589e\u76ca\u526a\u638920\u621615db\u7684\u9009\u9879\u3002\u6700\u5e38\u89c1\u7684\u566a\u97f3\u6e90\u662f\u5728\u4fe1\u9053\u5185\u4f7f\u7535\u5b50\u6216\u6570\u7801\u5143\u4ef6\u9971\u548c\u3002\u4e00\u4e2a\u63a7\u5236\u97f3\u91cf\u589e\u76ca\u7684\u65cb\u94ae\u5e38\u5e38\u4f1a\u88ab\u914d\u7ed9\u4e00\u4e2a\u4f34\u968f\u7ea2\u7eff\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a\u706f\u7684\u97f3\u9891\u5143\u4ef6\u3002<\/p>\n<h3>\u8bbe\u7f6e\u6c34\u5e73\uff08Setting Levels\uff09<\/h3>\n<p>\u8bbe\u7f6e\u6c34\u5e73\u7684\u65f6\u5019\uff0c\u4f60\u5e94\u5f53\u8ba9\u6f14\u594f\u8005\u5f39\u594f\u4ed6\u6574\u4e2a\u66f2\u5b50\u4e2d\u6700\u54cd\u7684\u90a3\u4e00\u6bb5\uff0c\u751a\u81f3\u662f\u90a3\u4ef6\u4e50\u5668\u80fd\u591f\u53d1\u51fa\u7684\u6700\u54cd\u58f0\u3002\u5728\u8fd9\u671f\u95f4\u8bbe\u7f6e\u6c34\u5e73\uff0c\u5e76\u4e3a\u9632\u6b62\u7206\u97f3\u7559\u51fa\u7ea65 db\u7684\u7a7a\u95f4\u3002<\/p>\n<p>\u6ce8\u610f\u5728\u97f3\u4e50\u884c\u8fdb\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4efb\u4f55\u7ec4\u4ef6\u90fd\u6709\u53ef\u80fd\u8fc7\u8f7d\uff0c\u4f60\u9700\u8981\u968f\u65f6\u76d1\u63a7\u5b83\u7684\u51fa\u73b0\u3002<\/p>\n<p>\u8bbe\u7f6e\u6c34\u5e73\u603b\u7684\u6765\u8bf4\u5c31\u662f\u5728\u5c3d\u91cf\u8fdc\u79bb\u566a\u97f3\u5e8a\uff08bed of noise\uff09\u7684\u540c\u65f6\u4e0d\u5931\u4efb\u4f55\u7ec4\u4ef6\u8fc7\u8f7d\u3002\u6a21\u62df\u78c1\u5e26\u6bd4\u6570\u7801\u566a\u58f0\u66f4\u5927\uff0c\u6a21\u62df\u8fc7\u8f7d\u662f\u4e00\u79cd\u66f4\u67d4\u8f6f\u548c\u5bbd\u4ec1\uff08forgiving\uff09\u7684\u58f0\u97f3\u3002\u6570\u7801\u5931\u771f\u662f\u7c97\u7cd9\u523a\u8033\u7684\uff0c\u5e76\u4e14\u566a\u97f3\u5e8a\u6162\u5f97\u591a\u3002\u56e0\u6b64\u5982\u679c\u6211\u4e0d\u786e\u5b9a\u6211\u5728\u4f4e\u5c42\u5bf9\u4e8e\u4e00\u4e2a\u4fe1\u53f7\u72af\u4e0b\u7684\u9519\u8bef\u7684\u8bdd\uff0c\u5b83\u53ef\u4ee5\u5728\u4e0d\u589e\u52a0\u540c\u6837\u591a\u566a\u97f3\u7684\u6761\u4ef6\u4e0b\u7a0d\u540e\u88ab\u4f18\u5316\u3002<\/p>\n<h3>\u6bd4\u7279\u6df1\u5ea6<\/h3>\n<p>\u6bd4\u7279\u6df1\u5ea6\uff0c\u5bf9\u6211\u6765\u8bf4\uff0c\u662f\u4e00\u79cd\u566a\u97f3\u6e90\u3002\u6bd4\u7279\u6df1\u5ea6\u8d8a\u9ad8\uff0c\u8d8a\u591a\u7684\u4e0a\u5c42\u7a7a\u95f4\uff08headroom\uff09\u9700\u8981\u5e94\u4ed8\u3002<\/p>\n<p>\u4e00\u4e2a\u6bd4\u7279\u662f\u4e00\u4e2a\u80fd\u591f\u8868\u793a0\u62161\u7684\u5185\u5b58\u5355\u4f4d\u3002\u5728\u4e00\u6bd4\u7279\u7684\u524d\u63d0\u4e0b\uff0c\u4f60\u4ec5\u80fd\u6570\u52301\uff080\u548c1\uff09\u3002\u4e24\u6bd4\u7279\uff0c\u4f60\u80fd\u6570\u52303\uff0800\uff0c01\uff0c10\uff0c11\uff09\u3002\u6bd4\u7279\u8d8a\u5927\uff0c\u4f60\u80fd\u6570\u5230\u7684\u6570\u5b57\u8d8a\u5927\u3002\u56db\u6bd4\u7279\u5c31\u4f1a\u670916\u79cd\u53ef\u80fd\u7684\u7ec4\u5408\uff0c\u6240\u4ee5\u4f60\u6700\u9ad8\u80fd\u6570\u523016\u300216\u6bd4\u7279\u8d8a\u6709\u7a0d\u5927\u4e8e65000\u79cd\u53ef\u80fd\u7684\u7ec4\u5408\uff0c\u6240\u4ee5\u4f60\u53ef\u80fd\u5927\u6982\u5f97\u5230\uff0d32000\u523032000\u95f4\u7684\u6570\u5b57\u3002<\/p>\n<p>\u91c7\u6837\u7387\u662f\u6bcf\u79d2\u8fdb\u884c\u91c7\u6837\u7684\u6b21\u6570\u3002\u6bd4\u7279\u6df1\u5ea6\u662f\u7ed9\u91c7\u6837\u4f7f\u7528\u7684\u6570\u5b57\u7684\u591a\u5c11\u3002\u6bd4\u7279\u6df1\u5ea6\u4ee3\u8868\u632f\u5e45\uff0c\u56e0\u4e3a\u8f83\u5927\u7684\u6570\u5b57\u80fd\u591f\u51c6\u786e\u63cf\u8ff0\u632f\u5e45\u66f4\u5927\u7684\u8303\u56f4\u3002\u6bcf\u4e00\u989d\u5916\u7684\u6bd4\u7279\u4f1a\u88ab\u89e3\u91ca\u4e3a\u989d\u5916\u76847db\u8303\u56f4\u30028\u548c16\u6bd4\u7279\u95f4\u7684\u5dee\u5f02\u5927\u7ea6\u4e3a50db\u30028\u6bd4\u7279\u7ed9\u4e8850db\u7684\u4e0a\u5c42\u7a7a\u95f4\uff0c16\u6bd4\u7279100db\uff0c24\u6bd4\u7279\u5927\u7ea6150db\u3002\u4ec0\u4e48\u4e4b\u4e0a\u7684\u4e0a\u5c42\u7a7a\u95f4\uff1f\u6bd4\u7279\u6df1\u5ea6\u81ea\u5df1\uff08\u6bd4\u7279\u672c\u8eab\uff1f\uff09\u3002<\/p>\n<p>\u5982\u679c\u4f60\u4f7f\u7528\u4e00\u4e2a\u4f4e\u6bd4\u7279\u7387\u5f55\u5236\u4e00\u6761\u6b63\u5f26\u6ce2\uff0c\u6bd4\u65b9\u8bf4\uff0c10\u4e2a\u6570\u5b57\uff08\uff0d5\u52305\uff09\uff0c\u4e00\u6761\u7eaf\u6b63\u5f26\u6ce2\u5c06\u4f1a\u663e\u5f97\u53c2\u5dee\u4e0d\u9f50\uff0c\u56e0\u4e3a\u6bcf\u91c7\u6837\u4e00\u6b21\u5b83\u90fd\u8981\u53bb\u5230\uff0d5\u52305\u95f4\u7684\u67d0\u4e00\u4e2a\u6570\u5b57\u4e0a\u3002\u540c\u6837\u7684\uff0c\u5982\u679c\u4f60\u4ee5\u4e00\u4e2a\u975e\u5e38\u4f4e\u7684dB\u751f\u6210\u4e00\u6761\u6b63\u5f26\u6ce2\uff0c\u6bd4\u5982\u8bf45 dB\uff0c8 bit\uff0c\u7136\u540e\u589e\u5927\u632f\u5e45\u5230\u5927\u7ea640 dB\uff0c\u4f60\u5c06\u4e0d\u4f1a\u770b\u5230\u4e00\u6761\u5e72\u51c0\u6574\u9f50\u7684\u6b63\u5f26\u6ce2\uff0c\u800c\u4f1a\u770b\u5230\uff1a<\/p>\n<figure id=\"attachment_1139\" aria-describedby=\"caption-attachment-1139\" style=\"width: 469px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p3.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1139\" title=\"p3\" src=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p3.gif\" alt=\"p3\" width=\"469\" height=\"138\" \/><\/a><figcaption id=\"caption-attachment-1139\" class=\"wp-caption-text\">p3<\/figcaption><\/figure>\n<p>\u4f60\u770b\u5230\u7684\u9636\u68af\u6765\u81ea\u6211\u4eec\u6240\u62e5\u6709\u7684\u6570\u5b57\u7684\u9650\u5236\uff1a-5, -4, -3, -2, -1, -, 1, 2, 3, 4, 5\u3002\u5982\u679c\uff0c\u6253\u4e2a\u6bd4\u65b9\uff0c5\u5b8c\u4e86\u4e4b\u540e\u9a6c\u4e0a\u52304\uff0c\u90a3\u4e484\u4e0e5\u4e4b\u95f4\u7684\u4fe1\u606f\u5c06\u4f1a\u88ab\u4e22\u5931\u3002\u4ee5\u4f4e\u6bd4\u7279\u6df1\u5ea6\u5f55\u97f3\u4f1a\u589e\u52a0\u566a\u97f3\uff0c\u6216\u4e00\u79cd\u9897\u7c92\u72b6\u7684\u58f0\u97f3\u3002<\/p>\n<p>\u91c7\u6837\u7387\u4e0e\u6bd4\u7279\u6df1\u5ea6\u53ef\u4ee5\u7528\u6570\u7801\u7167\u7247\u540c\u6837\u7684\u53c2\u6570\uff08\u5206\u8fa8\u7387\u548c\u6bd4\u7279\u6df1\u5ea6\uff09\u6765\u56fe\u5f62\u5316\u3002\u4e0b\u8fb9\u5c31\u662f\u4e00\u4e2a\u4f8b\u5b50\u3002\u7b2c\u4e00\u5e45\u56fe\u7247\u662f\u6b63\u5e38\u7684\uff0c\u7b2c\u4e8c\u5e45\u662f\u4f4e\u5206\u8fa8\u7387\uff08\u6ce8\u610f\u5c71\u8fb9\u7f18\u7684\u952f\u9f7f\uff09\uff0b\u9ad8\u6bd4\u7279\u6df1\u5ea6\uff08\u989c\u8272\u533a\u57df\u662f\u51c6\u786e\u7684\uff09\u3002\u6700\u540e\u4e00\u5e45\u662f\u9ad8\u5206\u8fa8\u7387\uff08\u5e73\u6ed1\u7684\u5c71\u7684\u8f6e\u5ed3\uff09\uff0b\u4f4e\u6bd4\u7279\u6df1\u5ea6\uff08\u5757\u72b6\u7684\u989c\u8272\uff09\u3002<\/p>\n<figure id=\"attachment_1140\" aria-describedby=\"caption-attachment-1140\" style=\"width: 663px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p4.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1140\" title=\"6.2. \u91c7\u6837\u7387\uff08\u5206\u8fa8\u7387\uff09\u4e0e\u6bd4\u7279\u6df1\u5ea6\" src=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p4.jpg\" alt=\"6.2. \u91c7\u6837\u7387\uff08\u5206\u8fa8\u7387\uff09\u4e0e\u6bd4\u7279\u6df1\u5ea6\" width=\"663\" height=\"151\" srcset=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p4.jpg 663w, https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2010\/12\/p4-480x109.jpg 480w\" sizes=\"auto, (max-width: 663px) 100vw, 663px\" \/><\/a><figcaption id=\"caption-attachment-1140\" class=\"wp-caption-text\">6.2. \u91c7\u6837\u7387\uff08\u5206\u8fa8\u7387\uff09\u4e0e\u6bd4\u7279\u6df1\u5ea6<\/figcaption><\/figure>\n<h3>\u6587\u4ef6\u5927\u5c0f<\/h3>\n<p>\u90a3\u4e48\u4e3a\u4ec0\u4e48\u4e0d\u7528\u7acb\u4f53\u58f0\u300296k\uff0c24bit\u505a\u4e00\u5207\u4e8b\u60c5\u5462\uff1f\u6211\u73ed\u4e0a\u6709\u4f4d\u5b66\u751f\u66fe\u7ecf\u7684\u5bfc\u5e08\u8ba9\u5979\u8fd9\u4e48\u505a\u3002\u5979\u5728\u6211\u73ed\u4e0a\u4e00\u4e2a3\u5206\u949f\u7684\u5de5\u7a0b\u5927\u7ea6\u67094GB\u8fd9\u4e48\u5927\uff08\u5e76\u4e14\u5979\u7684\u597d\u591a\u5f55\u97f3\u5e76\u6ca1\u6709\u76f8\u5173\u7684\u7acb\u4f53\u58f0\u4fe1\u606f\uff1a\u5355\u4e50\u5668\u6216\u4eba\u58f0\uff09\u3002\u4f5c\u4e3a\u5bf9\u6bd4\uff0c\u5176\u5b83\u5b66\u751f\u4eec\u5e73\u5747\u7684\u6587\u4ef6\u5927\u5c0f\u6700\u5927\u4e0d\u8d85\u8fc780MB\u3002<\/p>\n<p>\u4f60\u89c9\u5f97\u8fd9\u662f\u5fae\u4e0d\u8db3\u9053\u7684\uff1f\u4e00\u5f20DVD\u800c\u5df2\uff1f\u6211\u627f\u8ba4\u8fd9\u662f\u8d8a\u6765\u8d8a\u5c0f\u7684\u4e00\u4ef6\u4e8b\u60c5\u3002\u4f46\u5982\u679c\u4f60\u8981\u505a\u4e00\u5f20\u670910\u9996\u6b4c\u5de6\u53f3\u7684CD\uff0c\u6bcf\u9996\u6b4c3-5\u5206\u949f\uff0c\u90a3\u5c31\u662f40GB\u3002\u518d\u4e0b\u4e00\u5f20CD\uff0c80GB\u3002\u5bf9\u4e8e\u6211\u4eec\u5b9e\u9a8c\u5ba43\u6210\u7684\u5b66\u751f\u6765\u8bf4\uff0c\u8fd9\u5c31\u662f\u4e00\u4e2a\u95ee\u9898\u3002\u5982\u679c\u4e00\u95f4\u4e13\u4e1a\u7684\u5de5\u4f5c\u5ba4\u5982\u6b64\u5de5\u4f5c\u4e24\u4e2a\u6708\u7684\u8bdd\uff0c\u4ed6\u4eec\u7684\u7a7a\u95f4\u6d88\u8017\u5c06\u662f\u8fd9\u768410\u500d\u751a\u81f320\u500d\u3002\u6bcf\u5f53\u4f60\u6253\u5f00\u4e00\u4e2a\u5de5\u7a0b\u6587\u4ef6\uff0c\u5907\u4efd\u5b83\uff0c\u6216\u4ece\u670d\u52a1\u5668\u79fb\u52a8\u5b83\uff0c\u4f60\u4e0d\u5f97\u4e0d\u7b49\u5f85\u3002\u5982\u679c\u4f60\u53c8\u8db3\u591f\u591a\u7684\u65f6\u95f4\u548c\u7a7a\u95f4\uff0c\u90a3\u5c3d\u7ba1\u8fd9\u4e48\u505a\u5427\u3002<\/p>\n<p>\u4e5f\u8bb8\u6211\u592a\u8fc7\u4e8e\u5173\u6ce8\u7ecf\u6d4e\u4e86\u3002\u8fd9\u6e90\u4e8e\u6211\u66fe\u7ecf\u57284\u8f6860\u5206\u949f\u78c1\u5e26\u4e0a\u5de5\u4f5c\u7684\u7ecf\u5386\uff0c\u90a3\u65f6\u5019\u6bcf\u82f1\u5bf8\u53ef\u4f9b\u5f55\u5236\u7684\u5730\u65b9\u90fd\u662f\u73cd\u8d35\u7684\u3002\u4f46\u8fd8\u6709\u4e00\u4e2a\u66f4\u5fae\u5999\u7684\u95ee\u9898\uff1a\u8fd9\u53cd\u6620\u4e86\u4f60\u505a\u4e3a\u4e00\u4e2a\u5de5\u7a0b\u5e08\u7684\u6280\u672f\u3002\u603b\u662f\u7a81\u7834\u6587\u4ef6\u5927\u5c0f\u7684\u9650\u5236\uff0c\u4ece\u4e0d\u4e22\u5f03\u5f55\u574f\u7684\u90e8\u5206\uff0c\u590d\u5236\u6587\u4ef6\u7b49\u7b49\u90fd\u662f\u4e0d\u4e13\u4e1a\u7684\u8868\u73b0\u3002\u8fd9\u4e9b\u574f\u4e60\u60ef\u4f1a\u56de\u6765\u4f5c\u795f\u3002\u4e00\u4e2a\u5929\u624d\u7684\u5de5\u7a0b\u5e08\u6c38\u8fdc\u662f\u7ecf\u6d4e\u548c\u9ad8\u6548\u7684\u3002<\/p>\n<p>\u5f53\u6211\u5c06\u8fd9\u4e2a\u5b66\u751f\u7684\u5de5\u7a0b\u8f6c\u6362\u56de44k\uff0c16bit\uff0c\u4ec5\u5f53\u9700\u8981\u65f6\u624d\u4f7f\u7528\u7acb\u4f53\u58f0\u6587\u4ef6\u540e\uff0c\u5979\u7684\u5de5\u7a0b\u53d8\u4e3a\u4e86100MB\u3002\u7ba1\u7406\u8d77\u6765\u5bb9\u6613\u5f97\u591a\u3002\u56e0\u6b64\u8fd9\u662f\u6211\u5728\u8fd9\u4e2a\u8bfe\u4e0a\u603b\u662f\u5efa\u8bae\u7684\u683c\u5f0f\u3002<\/p>\n<p>\u90a3\u4e48\u8fd9\u5c31\u662f\u6570\u5b57\u3002\u6587\u4ef6\u5927\u5c0f\u4e0e\u8f68\u6570\uff0c\u91c7\u6837\u7387\u548c\u6bd4\u7279\u6df1\u5ea6\u76f4\u63a5\u76f8\u5173\u3002\u5982\u679c\u4f60\u6309\u4e00\u534a\u6216\u56db\u5206\u4e4b\u4e00\u51cf\u5c11\u5b83\u4eec\uff0c\u90a3\u4e48\u6587\u4ef6\u5927\u5c0f\u4e5f\u4f1a\u6210\u6bd4\u4f8b\u53d8\u5316\u3002\u8fd9\u662f\u4f60\u5e94\u7262\u8bb0\u7684\uff1a1\u5206\u949fCD\u97f3\u8d28\uff0844.1k\uff0c16bit\uff0c\u7acb\u4f53\u58f0\uff09\u7684\u97f3\u9891\u65f610M\u3002\u5c06\u5b83\u53d8\u4e3a\u5355\u58f0\u9053\u540e\uff0c5M\u3002\u91cd\u65b0\u91c7\u6837\u523022k\uff0c2.5M\uff0c11k\uff0c1.25M\u3002\u4ee58bit\u5f55\u5236\uff0c0.6M \u6bcf\u5206\u949f\u3002\u4e00\u5c0f\u65f6CD\u97f3\u8d28\u7684\u97f3\u9891\u662f600M\uff0c\u4f46\u4e00\u5c0f\u65f611k\uff0c8bit\u7684\u5355\u58f0\u9053\u97f3\u9891\u5927\u6982\u662f30M\u3002\u4e5f\u8bb8\u8fd9\u66f4\u9002\u4e8e\u5f55\u5236\u4e00\u4e2a\u6f14\u8bb2\u3002<\/p>\n<h3>\u201c\u6b63\u786e\u201d\u7684\u5f55\u97f3\u65b9\u6cd5<\/h3>\n<p>\u6211\u4e3a\u6211\u7684\u558b\u558b\u4e0d\u4f11\u800c\u62b1\u6b49\uff0c\u56e0\u4e3a\u6211\u5e0c\u671b\u9a71\u6563\u97f3\u9891\u5f55\u5236\u4fbf\u662f\u5b97\u6559\u7684\u795e\u8bdd\u3002<\/p>\n<p>\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u53ea\u662f\u7ed9\u4e86\u4f60\u4eec\u9009\u9879\uff0c\u800c\u5e76\u6ca1\u6709\u7279\u522b\u63a8\u8350\u67d0\u79cd\u65b9\u6cd5\uff0c\u6bd4\u5982\u8bf4\u7528\u66f4\u9760\u8fd1\u7684\u9ea6\u514b\u5f55\u97f3\uff0c\u6216\u8005\u66f4\u8fdc\u7684\u8ddd\u79bb\uff0c\u6211\u53ea\u662f\u544a\u8bc9\u4f60\u5982\u679c\u4f60\u5728\u4e00\u95f4\u6709\u6742\u97f3\u7684\u623f\u95f4\u91cc\u5f55\u97f3\uff0c\u90a3\u4e48\u5c06\u9ea6\u514b\u653e\u5f97\u66f4\u8fd1\u4e00\u4e9b\uff0c\u5982\u679c\u4f60\u9700\u8981\u5305\u62ec\u73af\u5883\u56de\u58f0\uff0c\u90a3\u4e48\u5c31\u79bb\u5f97\u8fdc\u4e00\u4e9b\u3002\u6211\u6ca1\u6709\u8bf4\u752844.1k\u8fd8\u662f96k\u5f55\u97f3\uff0c\u6211\u53ea\u662f\u7ed9\u4e86\u4f60\u4eec\u4e00\u4e32\u53ef\u4f9b\u9009\u62e9\u7684\u91c7\u6837\u7387\u5217\u8868\u3002\u90a3\u4e48\u201c\u6b63\u786e\u201d\u7684\u65b9\u6cd5\u662f\u4ec0\u4e48\u5462\uff1f\u4f60\u5e94\u5728\u4f7f\u7528\u6700\u5c11\u7684\u65f6\u95f4\u3001\u91d1\u94b1\u3001\u7a7a\u95f4\u4ee5\u53ca\u8d44\u6e90\u7684\u524d\u63d0\u4e0b\u80fd\u591f\u8fbe\u6210\u4f60\u7684\u76ee\u6807\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u6211\u4ece\u6765\u4e0d\u61c2\u67d0\u4e9b\u4eba\u5728\u97f3\u9891\u6280\u5de7\u4e2d\u7684\u611f\u60c5\u6295\u8d44\u3002\u6211\u603b\u662f\u56de\u907f\u8fd9\u4e2a\u8bdd\u9898\uff0c\u5c31\u50cf\u4e00\u4e2a\u4eba\u5728\u665a\u9910\u65f6\u56de\u907f\u8ba8\u8bba\u5b97\u6559\u4e00\u6837\u3002\u6211\u51e0\u4e4e\u4e0d\u6562\u5efa\u8bae\u67d0\u4e9b\u5de5\u7a0b\u5e08\u4e0d\u8981\u4f7f\u7528\u76d1\u89c6\u5668\u4e86\u3002\u4ed6\u4eec\u5bf9\u5f85\u5b83\u5c31\u50cf\u4eb5\u6e0e\u795e\u7075\u4e00\u6837\u3002\u56e0\u6b64\u5192\u7740\u53ef\u80fd\u56de\u5192\u72af\u5230\u522b\u4eba\u7684\u98ce\u9669\uff0c\u6211\u4ecd\u65e0\u6761\u4ef6\u7684\u62d2\u7edd\u6709\u97f3\u9891\u4e4b\u795e\u7684\u5b58\u5728\u3002\u5e76\u6ca1\u6709\u771f\u6b63\u7684\u91c7\u6837\u7387\u3002\u6ca1\u6709\u901a\u5f80\u9ea6\u514b\u6446\u653e\u4f4d\u7f6e\u7684\u5149\u660e\u5927\u9053\u3002\u6709\u7684\uff0c\u53ea\u662f\u806a\u660e\u7684\u9009\u62e9\u3002<\/p>\n<p>\u6709\u4e00\u4ef6\u6fc0\u53d1\u6211\u8fd9\u901a\u5927\u8bdd\u7684\u5c0f\u4e8b\u3002\u73b0\u5728\u548c\u4ee5\u540e\u6211\u9700\u8981\u628a\u6211\u7535\u8111\u4e2d\u6b63\u64ad\u653e\u7684\u4e00\u4e9b\u4e1c\u897f\u6570\u4f4d\u5316\uff08digitalize\uff09\uff1a\u6216\u8bb8\u662f\u7cfb\u7edf\u81ea\u5e26\u7684\u8b66\u544a\u58f0\u6216\u8005\u5f02\u7aef\u6211\u53ef\u4ee5\u901a\u8fc7\u6d4f\u89c8\u5668\u64ad\u653e\u5374\u65e0\u8bba\u5982\u4f55\u65e0\u6cd5\u4e0b\u8f7d\u5230\u672c\u5730\u7684\u97f3\u9891\u6587\u4ef6\u3002\u6709\u5f88\u591a\u79cd\u65b9\u5f0f\u6765\u505a\u8fd9\u4e2a\u4e8b\uff1a\u4f60\u53ef\u4ee5\u5c06\u4e00\u53f0\u673a\u5668\u7684\u8f93\u51fa\u8fde\u5165\u53e6\u4e00\u53f0\u673a\u5668\u7684\u8f93\u5165\uff0c\u751a\u81f3\u5c06\u4e00\u53f0\u673a\u5668\u7684\u8f93\u51fa\u76f4\u63a5\u8fde\u5230\u5b83\u7684\u8f93\u5165\u3002\u540c\u6837\u8fd8\u6709\u8bb8\u591a\u79cd\u652f\u6301\u5185\u5f55\u7684\u8f6f\u4ef6\u3002\u6211\u4f7f\u7528\u4e86\u7edd\u5927\u591a\u6570\u65b9\u5f0f\uff0c\u4f46\u5b83\u4eec\u90fd\u6709\u4e00\u70b9\u95f9\u7f20\u548c\u5c0f\u8d35\u3002\u4e00\u5929\u6211\u5f88\u6025\u7740\u8981\u628a\u4e00\u4e2a\u7f51\u7ad9\u4e0a\u7684\u5bf9\u8bdd\u6570\u4f4d\u5316\u3002\u6211\u6253\u5f00\u4e86\u4e00\u4e2a\u6570\u5b57\u5f55\u97f3\u673a\u5e76\u5f00\u59cb\u7422\u78e8\u7740\u5982\u4f55\u8fde\u63a5\u8f93\u5165\u548c\u8f93\u51fa\u3002\u7136\u540e\u6211\u5ffd\u7136\u5076\u7136\u6ce8\u610f\u5230\uff0c\u5f55\u97f3\u673a\u5df2\u7ecf\u6293\u53d6\u5230\u7f51\u9875\u7684\u58f0\u97f3\u4fe1\u53f7\u3002\u56e0\u4e3a\u6211\u5c06\u7cfb\u7edf\u8f93\u5165\u8bbe\u7f6e\u4e3a\u4e86\u5916\u90e8\u9ea6\u514b\uff0c\u5728\u6211\u7684\u7b14\u8bb0\u672c\u4e0a\u5b83\u6070\u597d\u4f4d\u4e8e\u626c\u58f0\u5668\u65c1\u8fb9\u3002\u65e0\u987b\u63a5\u7ebf\uff0c\u9ea6\u514b\u98ce\u6b63\u5728\u542c\u7740\u6211\u6240\u542c\u5230\u7684\u58f0\u97f3\u3002\u6211\u9042\u540e\u70b9\u51fb 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hints\u7f51\u7ad9\u3002\u6211\u603b\u662f\u51c6\u5907\u597d\u8046\u542c\u6765\u81ea\u5176\u5b83\u4f5c\u8005\u7684\u610f\u89c1\uff0c\u4f46\u4ee4\u6211\u60ca\u8bb6\u7684\u662f\uff0c\u8fd9\u7bc7\u6587\u7ae0\u53d7\u5230\u7a7a\u524d\u7684\u5173\u6ce8\u3002<\/p>\n<p>\u5f53\u7136\uff0c\u5979\u4eec\u8bf4\uff0c\u4e00\u4e2a\u201c\u771f\u6b63\u201d\u7684\u5de5\u7a0b\u5e08\u4e0d\u4f1a\u72af\u8ba9\u7a7a\u6c14\u8fdb\u5165\u4fe1\u9053\u7684\u4f4e\u7ea7\u9519\u8bef\u3002\u4ed6\u4eec\u5efa\u8bae\u6211\u7684\u5b66\u751f\u4eec\u627e\u6211\u9000\u5b66\u8d39\u3002<\/p>\n<p>\u6211\u5e38\u4e3a\u59d4\u5458\u4f1a\uff08committee\uff09\u4f1a\u8bae\u5f55\u97f3\u3002\u6211\u60f3\u5728\u5404\u79cd\u6709\u70b9\u8eab\u4efd\u7684\u4eba\u9762\u524d\uff0c\u4e3a\u4e86\u4e0d\u8ba9\u6211\u81ea\u5df1\u611f\u5230\u5c34\u5c2c\uff0c\u6211\u5e94\u8be5\u7528\u4e00\u652f\u9ad8\u6863\u7684<a href=\"http:\/\/www.akg.com\/site\/products\/powerslave,id,781,pid,781,nodeid,2,_language,EN.html\" target=\"_blank\">AKG 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