{"id":123,"date":"2025-11-06T13:22:23","date_gmt":"2025-11-06T05:22:23","guid":{"rendered":"https:\/\/blog.zeng807.xyz\/?p=123"},"modified":"2025-11-30T22:40:46","modified_gmt":"2025-11-30T14:40:46","slug":"2-%e6%ad%a3%e7%a1%ae%e5%ae%9e%e7%8e%b0dolby-atmos","status":"publish","type":"post","link":"https:\/\/blog.zeng807.xyz\/?p=123","title":{"rendered":"2 \u6b63\u786e\u5b9e\u73b0Dolby Atmos"},"content":{"rendered":"\n

\u4e0a\u4e00\u7bc7\u8bb2\u5230\u5728Windows\u4e0a\u9762\u6b63\u786e\u4f7f\u7528Dolby Access\u7684\u65b9\u5f0f\uff0c\u8fd9\u6b21\u6765\u8bb2\u4e00\u4e0b\u6b63\u786e\u64ad\u653eDolby Atmos\u7684\u65b9\u5f0f\u3002<\/p>\n\n\n\n

\u9996\u5148\u5206\u4e24\u79cd\u60c5\u51b5\uff0c\u4f7f\u7528\u5bb6\u5ead\u5f71\u9662\u7684\u65b9\u6848\u6216\u8005PC\/\u624b\u673a\u4e0aDolby\u548cOEM\u5408\u4f5c\u5b9e\u73b0\u7684\u65b9\u6848\u3002\u540e\u9762\u90a3\u79cd\u5c31\u5f88\u5bb9\u6613\u4e86\uff0c\u53c2\u8003\u4e0a\u4e00\u7bc7\u6587\u7ae0\uff0c\u5c31\u662f\u76f4\u63a5\u628aeac3-joc\u97f3\u9891\u6d41\u76f4\u63a5\u7ed9\u5230\u7cfb\u7edf\u7684\u5a92\u4f53\u5b9e\u73b0\uff0c\u4f46\u662f\u8fd9\u79cd\u4e5f\u6709\u9650\u5236\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u53ea\u80fd\u6e32\u67d3\u8f93\u51fa\u5230\u7acb\u4f53\u58f0PCM\uff0c\u7ed9\u8033\u673a\u6216\u5185\u7f6e\u97f3\u54cd\u7528\uff0c\u4e5f\u65e0\u6cd5\u5904\u7406TrueHD\u7684atmos\uff08\u76ee\u524d\u6211\u5df2\u7ecf\u6709\u5c06TrueHD Atmos\u8f6c\u4e3aeac3-joc\u7684\u65b9\u6cd5\uff0c\u4ee5\u540e\u4f1a\u8bb2\uff0c\u53ea\u9700\u8981Windows PC\uff09\u3002<\/p>\n\n\n\n

\u7136\u540e\u5c31\u662f\u5bb6\u5ead\u5f71\u9662\u7684\u65b9\u6848\u4e86\u3002\u9996\u5148\u652f\u6301Dolby Atmos\u7684AVR\u6216\u8005\u7535\u89c6\u4e00\u822c\u90fd\u4f1a\u652f\u6301\u4e09\u79cd\u683c\u5f0f\u8f93\u5165\uff0ceac3-joc\uff0cTrueHD\u7684atmos\uff0cLPCM+MAT\uff0c\u4e09\u79cd\u90fd\u6709\u4e0d\u540c\u7684\u4f7f\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

\u9996\u5148\u770b\u5230EDID CTA-861\u7684Audio formats\u90e8\u5206\uff0c\u8fd9\u91cc\u5199\u660e\u4e86\u8bbe\u5907\u652f\u6301\u7684\u97f3\u9891\u683c\u5f0f\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u770b\u5230E-AC-3\u7684flags\u4e3a3\uff0c\u4e00\u822c\u8ba4\u4e3a\u662f\u652f\u6301joc\uff0c\u5177\u4f53Dolby\u6ca1\u6709\u516c\u5f00\u7684\u6587\u6863\u67e5\u8be2\u3002TrueHD\u7684flags\u4e3a7\uff0c\u4e00\u822c\u88ab\u8ba4\u4e3a\u652f\u6301MAT (MLP)\uff0c\u5177\u4f53\u4e5f\u6ca1\u6709\u516c\u5f00\u3002\u770b\u5230\u8fd9\u4e24\u9879\uff0c\u57fa\u672c\u53ef\u4ee5\u8ba4\u4e3a\u4f60\u7684\u63a5\u6536\u8bbe\u5907\u662f\u80fd\u5904\u7406\u4ee5\u4e0a3\u79cdDolby Atmos\u683c\u5f0f\u3002<\/p>\n\n\n\n

\u9996\u5148\u8bb2LPCM+MAT\uff0c\u8fd9\u79cd\u683c\u5f0f\u6bd4\u8f83\u7b80\u5355\uff0c\u7531\u64ad\u653e\u8bbe\u5907\u89e3\u7801\u4e4b\u540e\u8f93\u51fa\u7ed9avr\uff0c\u672c\u8d28\u4e0a\u5c31\u662f\u591a\u58f0\u9053PCM\u97f3\u9891\u52a0\u4e0aDolby Atmos\u7684\u5143\u6570\u636e\uff0c\u4e00\u822c\u7535\u89c6\u76d2\u5b50\u5982Apple TV\u548c\u6e38\u620f\u7b49\u5b9e\u65f6\u6027\u5f3a\u7684\u7a7a\u95f4\u97f3\u9891\u5c31\u662f\u7528\u7684\u8fd9\u79cd\u8f93\u51fa\u65b9\u5f0f\u3002\u6bd4\u8f83\u7075\u6d3b\uff0c\u53ef\u4ee5\u5c06\u7cfb\u7edf\u97f3\u6548\u548c\u64ad\u653e\u7684\u675c\u6bd4\u5168\u666f\u58f0\u5185\u5bb9\u6df7\u5408\u5728\u4e00\u8d77\u53d1\u9001\u7ed9avr\uff0c\u4e5f\u4e0d\u9650\u5236avr\u7684\u8f93\u51fa\u58f0\u9053\u6570\uff0c\u6ca1\u6709\u5929\u7a7a\u58f0\u9053\u4e5f\u80fd\u6b63\u5e38\u6e32\u67d3\uff08\u6216\u8005\u8bf4\u5176\u5b9e\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\uff0cLPCM+MAT\u65e0\u6cd5\u50cfeac3-joc\u90a3\u6837\u964d\u7ea7\u4e3aeac3\u56fa\u5b9a\u7684\u58f0\u9053\u683c\u5f0f\u5904\u7406\uff0c\u6240\u4ee5\u4e0d\u7ba1\u6709\u6ca1\u6709\u5929\u7a7a\u58f0\u9053\u90fd\u9700\u8981\u8fdb\u884c\u7269\u4ef6\u6e32\u67d3\uff09\u3002
\u8fd9\u53ef\u4ee5\u8bf4\u662f\u4e00\u79cd\u517c\u5bb9\u6027\u6bd4\u8f83\u9ad8\u5b9e\u65f6\u6027\u5f3a\u7684\u683c\u5f0f\uff0c\u5c06\u539f\u59cb\u7684eac3-joc\u89e3\u7801\uff0c\u6216\u8005\u8f93\u5165\u539f\u59cb\u7a7a\u95f4\u97f3\u9891\u6570\u636e\uff0c\u6df7\u5408\u5176\u4ed6\u97f3\u6548\uff0c\u5305\u88c5\u4e3aMAT\u5e27\uff0c\u4ee5\u56fa\u5b9a\u7684\u7801\u7387\u53d1\u9001\u7ed9avr\u3002<\/p>\n\n\n\n

\u7136\u540e\u662feac3-joc\u548ctruehd\u7684atmos\uff0c\u9996\u5148\u8fd9\u4e24\u79cd\u97f3\u9891\u90fd\u662f\u57fa\u4e8e\u4ed6\u4eec\u7684\u524d\u8eabeac3\u548ctruehd\uff0c\u8bbe\u8ba1\u4e0a\u5411\u540e\u517c\u5bb9\u800c\u4e14\u4f20\u8f93\u65b9\u5f0f\u76f8\u540c\u3002\u8fd9\u4e9b\u662f\u53ef\u53d8\u7801\u7387\u7684\u6d41\uff0c\u800cHDMI\u662f\u57fa\u4e8e\u56fa\u5b9a\u65f6\u949f\u7684\u94fe\u8def\uff0c\u5fc5\u987b\u662f\u56fa\u5b9a\u7684\u7801\u7387\uff0c\u6240\u4ee5\u64ad\u653e\u5668\u4f1a\u5c06\u8fd9\u79cd\u97f3\u9891\u6d41\u586b\u5145\u4e3a\u56fa\u5b9a\u5927\u5c0f\uff0c\u4ee5IEC-61937\u7684\u6807\u51c6\u5c01\u88c5\u4e3a\u56fa\u5b9a\u7801\u7387\u7684\u6d41\uff0c\u53d1\u9001\u5230HDMI\u94fe\u8def\uff0c\u518d\u7531avr\u5904\u7406\u3002\u8fd9\u79cd\u675c\u6bd4\u5168\u666f\u58f0\u683c\u5f0f\u8981\u6c42avr\u8f93\u51fa\u5fc5\u987b\u8981\u6709\u7269\u7406\u5929\u7a7a\u58f0\u9053\u6216\u8005\u542f\u7528\u865a\u62df\u626c\u58f0\u5668\uff0c\u5426\u5219\u964d\u7ea7\u4e3aDD+\u6216TrueHD\uff0c\u4e0d\u4f1a\u5904\u7406\u97f3\u9891\u7269\u4ef6\uff08\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\uff0c\u53cd\u6b63avr\u5c31\u662f\u8fd9\u6837\u5904\u7406\u7684\uff09\u3002<\/p>\n\n\n\n

\u63a5\u7740\u8f9f\u4e2a\u8c23\uff0c\u5728b\u7ad9\u4e0a\u770b\u5230\u8fc7\u5356\u84dd\u5149\u673a\u7684\u5546\u5bb6\uff0c\u5ba3\u79f0\u5fc5\u987b\u8981\u84dd\u5149\u673a\u624d\u80fd\u8f93\u51fa\u5b8c\u7f8e\u7684\u675c\u6bd4\u5168\u666f\u58f0\uff0c\u4ed6\u4eec\u5185\u7f6e\u675c\u6bd4\u6388\u6743\u7684\u786c\u4ef6MAT\u7f16\u7801\u5668\uff0c\u6bd4\u5176\u4ed6\u8bbe\u5907\u4e0a\u8f6f\u4ef6\u5b9e\u73b0\u7684\u8981\u66f4\u597d\u3002\u9996\u5148\u6b63\u5982\u6211\u4e0a\u9762\u6240\u8bb2\uff0c\u53ea\u6709LPCM+MAT\u7684\u675c\u6bd4\u5168\u666f\u58f0\u5b9e\u73b0\u624d\u9700\u8981MAT\u7f16\u7801\u5668\uff0c\u4e00\u822c\u84dd\u5149\u76d8\u90fd\u662ftruehd\u7684atmos\uff0c\u4e0d\u9700\u8981\u4efb\u4f55\u7684\u91cd\u65b0\u7f16\u7801\u5c31\u80fd\u8f93\u51fa\u7ed9avr\u3002\u5728\u6b63\u5e38\u64ad\u653e\u84dd\u5149\u5149\u76d8\u7684\u573a\u666f\uff0c\u90fd\u662f\u5c06truehd atmos\u6d41\u76f4\u63a5\u8f93\u51fa\u7ed9avr\uff0c\u4e0d\u9700\u8981\u6df7\u5165\u7cfb\u7edf\u97f3\u6548\uff0c\u90a3\u4e5f\u5c31\u4e0d\u9700\u8981\u8fd9\u6837\u7684MAT\u7f16\u7801\uff0c\u800c\u4e14\u8fd9\u6837\u7684MAT\u7f16\u7801\u4f1a\u5f15\u5165\u989d\u5916\u7684\u5904\u7406\u8def\u5f84\uff0c\u4f1a\u5bfc\u81f4\u975e\u5e38\u8f7b\u5fae\u7684\u6539\u53d8\uff08\u4e0d\u8fc7\u5904\u7406\u7cbe\u5ea6\u8db3\u591f\u9ad8\uff0c\u4e00\u822c\u4eba\u7c7b\u5bdf\u89c9\u4e0d\u5230\uff09\uff0c\u66f4\u52a0\u8fdd\u53cd\u4e86\u53d1\u70e7\u4f6c\u7684\u6559\u4e49\u3002<\/p>\n\n\n\n

\u90a3\u675c\u6bd4\u5b98\u65b9\u6240\u8bf4\u7684:<\/p>\n\n\n\n

\n

The Dolby Metadata-enhanced Audio Transmission (Dolby MAT) encoder resides in a Blu-ray player to
pack the variable bit-rate Dolby TrueHD bitstreams for transmission over the fixed bit-rate HDMI
connections. A MAT decoder is subsequently employed in an AVR to unpack the Dolby TrueHD
bitstreams. With the introduction of Dolby Atmos, we have expanded this technology to support
encoding of Dolby Atmos content as lossless pulse-code modulation (PCM) audio.<\/p>\n<\/blockquote>\n\n\n\n

\u8fd9\u53c8\u662f\u4e3a\u4ec0\u4e48\u3002\u9996\u5148Dolby MAT\u7f16\u7801\u5668\u5e76\u4e0d\u662f\u53ea\u80fd\u628a\u7a7a\u95f4\u97f3\u9891\u7f16\u7801\u4e3aLPCM+MAT\u8f93\u51fa\uff0c\u5b83\u8fd8\u80fd\u5c06TrueHD\/DD+\u97f3\u9891\u5e27\u5305\u88c5\u8fdbMAT\u5e27\uff0c\u7136\u540e\u4ee5IEC-61937\u89c4\u8303\uff0c\u5728HDMI\u94fe\u8def\u4e0a\u4ee5\u56fa\u5b9a\u7801\u7387\u7684PCM\u5f62\u5f0f\u4f20\u8f93\u7ed9AVR\uff0c\u4e0d\u4f1a\u5bf9\u97f3\u9891\u6d41\u672c\u8eab\u6709\u4efb\u4f55\u7684\u5904\u7406\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0bMAT\u7f16\u7801\u5668\u53ea\u662f\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u53c2\u8003\u4e00\u4e0bffmpeg\u7684\u5b9e\u73b0<\/a>\u548ckodi\u7684\u5b9e\u73b0<\/a>\uff0c\u5c0624\u4e2aTrueHD\u5e27\u5305\u88c5\u8fdb1\u4e2aMAT\u5e27\uff0c\u6700\u7ec8\u8f93\u51fa\u683c\u5f0f\u7b26\u5408IEC-61937\u89c4\u8303\uff0c\u770b\u5230\u4ee3\u7801\u548c\u6ce8\u91ca\uff0c\u53ef\u4ee5\u53d1\u73b0\u6240\u8c13\u7684MAT\u7f16\u7801\u5668\uff0c\u6ca1\u6709\u5bf9TrueHD\u5e27\u6709\u4efb\u4f55\u7684\u91cd\u65b0\u7f16\u7801\u5904\u7406\u3002\u8fd9\u90e8\u5206\u7684MAT\u7f16\u7801\u5668\uff0c\u7b2c\u4e09\u65b9\u7684\u5b9e\u73b0\u548c\u675c\u6bd4\u5b98\u65b9\u7684\u5b9e\u73b0\u8f93\u51fa\u6ca1\u6709\u4efb\u4f55\u533a\u522b\uff0cAVR\u6700\u7ec8\u6536\u5230\u7684\u90fd\u662f\u540c\u6837\u7684MAT\u5e27\uff0c\u53ea\u8981\u4f60\u542c\u5230\u7684\u58f0\u97f3\u662f\u6d41\u7545\u6ca1\u6709\u4efb\u4f55\u5361\u987f\u7684\uff0c\u90a3\u5c31\u8bf4\u660eTrueHD\u5e27\u88ab\u6b63\u786e\u9001\u5230\u4e86AVR\u3002Windows\u4e0a\u5176\u5b9e\u6709\u5b98\u65b9\u5b9e\u73b0\u7684\u6709\u6388\u6743\u7684MAT\u7f16\u7801\u5668\uff0c\u5c31\u662fMedia Foundation\uff0c\u5373\u4e3aWindows\u5185\u7f6e\u7684\u5a92\u4f53\u5b9e\u73b0\uff0c\u6548\u679c\u548c\u7b2c\u4e09\u65b9\u64ad\u653e\u5668\u662f\u4e00\u6837\u7684\u3002
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