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DCT\uff09\u3002\u8fd9\u79cd\u53d8\u6362\u5c06\u6b8b\u5dee\u5757\u4ece\u7a7a\u95f4\u57df\u5de7\u5999\u8f6c\u6362\u81f3\u9891\u57df\u3002\u5728\u7a7a\u95f4\u57df\u4e2d\uff0c\u6570\u636e\u53ef\u80fd\u5448\u73b0\u51fa\u590d\u6742\u7684\u5206\u5e03\uff0c\u4f46\u7ecf\u8fc7\u53d8\u6362\u540e\uff0c\u80fd\u91cf\u4f1a\u96c6\u4e2d\u5728\u5c11\u6570\u4f4e\u9891\u7cfb\u6570\u4e0a\uff0c\u800c\u9ad8\u9891\u7cfb\u6570\u5219\u4e3b\u8981\u53cd\u6620\u56fe\u50cf\u7684\u7ec6\u8282\u4fe1\u606f\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4e3a\u540e\u7eed\u7684\u91cf\u5316\u548c\u538b\u7f29\u64cd\u4f5c\u521b\u9020\u4e86\u6709\u5229\u6761\u4ef6\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u4e00\u5e45\u5305\u542b\u5927\u9762\u79ef\u5e73\u5766\u533a\u57df\u548c\u5c11\u91cf\u7ec6\u8282\u7684\u89c6\u9891\u56fe\u50cf\uff0c\u53d8\u6362\u540e\u4f4e\u9891\u7cfb\u6570\u4f1a\u643a\u5e26\u5927\u90e8\u5206\u80fd\u91cf\uff0c\u9ad8\u9891\u7cfb\u6570\u5219\u5bf9\u5e94\u56fe\u50cf\u4e2d\u7684\u8fb9\u7f18\u3001\u7eb9\u7406\u7b49\u7ec6\u8282\u90e8\u5206\u3002<\/li>\n\n\n\n<li><strong>\u91cf\u5316<\/strong>\uff1a\u91cf\u5316\u662f\u4e00\u4e2a\u4e0d\u53ef\u907f\u514d\u7684\u6709\u635f\u538b\u7f29\u6b65\u9aa4\u3002\u5176\u539f\u7406\u662f\u901a\u8fc7\u8c03\u6574\u91cf\u5316\u6b65\u957f\uff0c\u6539\u53d8\u53d8\u6362\u7cfb\u6570\u7684\u7cbe\u5ea6\u3002\u8f83\u5927\u7684\u91cf\u5316\u6b65\u957f\u4f1a\u4f7f\u7cfb\u6570\u7cbe\u5ea6\u964d\u4f4e\uff0c\u66f4\u591a\u9ad8\u9891\u7cfb\u6570\u88ab\u7f6e\u96f6\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u9ad8\u7684\u538b\u7f29\u7387\uff0c\u4f46\u8fd9\u4e5f\u4f1a\u5bfc\u81f4\u91cd\u5efa\u89c6\u9891\u51fa\u73b0\u66f4\u591a\u5931\u771f\uff0c\u5982\u753b\u9762\u7ec6\u8282\u4e22\u5931\u3001\u8fb9\u7f18\u6a21\u7cca\u7b49\u73b0\u8c61\u3002\u76f8\u53cd\uff0c\u8f83\u5c0f\u7684\u91cf\u5316\u6b65\u957f\u80fd\u4fdd\u7559\u66f4\u591a\u7ec6\u8282\uff0c\u91cd\u5efa\u89c6\u9891\u8d28\u91cf\u66f4\u9ad8\uff0c\u4f46\u538b\u7f29\u7387\u4f1a\u76f8\u5e94\u964d\u4f4e\u3002\u7f16\u7801\u5668\u4f1a\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u4e2d\u7684\u89c6\u9891\u8d28\u91cf\u8981\u6c42\u548c\u53ef\u7528\u7f51\u7edc\u5e26\u5bbd\u72b6\u51b5\uff0c\u667a\u80fd\u7075\u6d3b\u5730\u9009\u62e9\u91cf\u5316\u53c2\u6570\uff08QP\uff09\u3002\u5728\u5bf9\u753b\u8d28\u8981\u6c42\u6781\u9ad8\u7684\u5f71\u89c6\u5236\u4f5c\u9886\u57df\uff0c\u901a\u5e38\u4f1a\u9009\u7528\u8f83\u5c0f\u7684 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class=\"wp-block-heading\">\uff08\u4e09\uff09\u76d1\u63a7\u7cfb\u7edf\uff1a\u5b88\u62a4\u5b89\u5168\u7684\u6280\u672f\u652f\u6491<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u957f\u65f6\u95f4\u5b58\u50a8\u4f18\u5316<\/strong>\uff1a\u76d1\u63a7\u7cfb\u7edf\u9700\u8981\u957f\u65f6\u95f4\u4e0d\u95f4\u65ad\u5730\u5b58\u50a8\u6d77\u91cf\u7684\u89c6\u9891\u6570\u636e\uff0c\u5b58\u50a8\u6210\u672c\u6210\u4e3a\u5173\u952e\u8003\u91cf\u56e0\u7d20\u3002H.264\/MPEG &#8211; 4 AVC 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