{"id":10645,"date":"2026-03-08T16:15:17","date_gmt":"2026-03-08T23:15:17","guid":{"rendered":"https:\/\/zxi.mytechroad.com\/blog\/?p=10645"},"modified":"2026-03-09T09:58:10","modified_gmt":"2026-03-09T16:58:10","slug":"hdr-dynamic-metadata-pq-hlg-dolby-vision-explained","status":"publish","type":"post","link":"https:\/\/zxi.mytechroad.com\/blog\/video\/hdr-dynamic-metadata-pq-hlg-dolby-vision-explained\/","title":{"rendered":"\u7ec8\u6781\u89e3\u6790\uff1aHDR\u52a8\u6001\u5143\u6570\u636e\u3001\u5e95\u5c42\u66f2\u7ebf\u4e0e\u663e\u793a\u5668\u9636\u7ea7\u7684\u201c\u6b8b\u9177\u7269\u8bed\u201d"},"content":{"rendered":"\n\n\n\n\n<p>\u5982\u679c\u4f60\u5bf9\u663e\u793a\u6280\u672f\u6709\u8db3\u591f\u7684\u6267\u5ff5\uff0c\u4f60\u4e00\u5b9a\u4f1a\u53d1\u73b0\u5f53\u4e0b\u7684 HDR\uff08\u9ad8\u52a8\u6001\u8303\u56f4\uff09\u751f\u6001\u662f\u4e00\u4e2a\u5145\u6ee1\u672f\u8bed\u3001\u6807\u51c6\u4e92\u6bb4\u4ee5\u53ca\u8425\u9500\u8bdd\u672f\u7684\u201c\u9ed1\u6697\u68ee\u6797\u201d\u3002\u4ece PQ \u5230 HLG\uff0c\u4ece\u675c\u6bd4\u89c6\u754c\uff08Dolby Vision\uff09\u7684\u5404\u7c7b Profile \u5230\u5404\u79cd\u7ea7\u522b\u7684 DisplayHDR \u8ba4\u8bc1\uff0c\u666e\u901a\u6d88\u8d39\u8005\u751a\u81f3\u8bb8\u591a\u4e13\u4e1a\u73a9\u5bb6\u90fd\u5bb9\u6613\u8ff7\u5931\u5176\u4e2d\u3002<\/p>\n\n\n\n<p>\u672c\u6587\u5c06\u5265\u5f00\u8425\u9500\u7684\u5916\u8863\uff0c\u4ece\u6700\u786c\u6838\u7684\u5e95\u5c42\u903b\u8f91\u51fa\u53d1\uff0c\u5e26\u4f60\u5f7b\u5e95\u641e\u61c2 <strong>HDR \u52a8\u6001\u5143\u6570\u636e\uff08Dynamic Metadata\uff09<\/strong> \u662f\u5982\u4f55\u8fd0\u4f5c\u7684\uff0c\u5256\u6790 PQ \u4e0e HLG \u66f2\u7ebf\u7684\u672c\u8d28\u533a\u522b\uff0c\u6df1\u6316 Dolby Vision Profile 5 \u4e0e Profile 8.4 \u7684\u6280\u672f\u5206\u6b67\uff0c\u5e76\u6700\u7ec8\u63a8\u6f14\uff1a\u5728\u4ece SDR \u5e9f\u94c1\u5230\u7406\u8bba\u4e0a\u201c\u5b8c\u7f8e\u663e\u793a\u5668\u201d\u7684\u4e0d\u540c\u9636\u7ea7\u4e0b\uff0c\u52a8\u6001\u5143\u6570\u636e\u7a76\u7adf\u626e\u6f14\u7740\u600e\u6837\u7684\u89d2\u8272\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u5149\u4e0e\u7535\u7684\u5951\u7ea6\uff1aPQ \u4e0e HLG \u7684\u672c\u8d28\u5206\u6b67<\/h2>\n\n\n\n<p>\u8981\u7406\u89e3\u52a8\u6001\u5143\u6570\u636e\uff0c\u6211\u4eec\u5fc5\u987b\u5148\u7406\u89e3 HDR \u7684\u57fa\u77f3\u2014\u2014<strong>EOTF\uff08\u7535\u5149\u8f6c\u6362\u51fd\u6570\uff0cElectro-Optical Transfer Function\uff09<\/strong>\u3002\u5b83\u7684\u4f5c\u7528\u662f\u5c06\u6570\u5b57\u4fe1\u53f7\uff080\u548c1\uff09\u7ffb\u8bd1\u6210\u5c4f\u5e55\u4e0a\u5b9e\u9645\u53d1\u5149\u7684\u4eae\u5ea6\uff08nits \u6216 cd\/m^2)\u3002\u5728 HDR \u65f6\u4ee3\uff0c\u4e24\u5927\u6d41\u6d3e\u7edf\u6cbb\u4e86\u4e16\u754c\uff1aPQ \u548c HLG\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. PQ \u66f2\u7ebf (Perceptual Quantizer \/ SMPTE ST 2084)<\/h3>\n\n\n\n<p>PQ \u66f2\u7ebf\u7684\u6838\u5fc3\u54f2\u5b66\u662f<strong>\u201c\u7edd\u5bf9\u4eae\u5ea6\u6620\u5c04\u201d<\/strong>\u3002\u5b83\u662f\u675c\u6bd4\u5b9e\u9a8c\u5ba4\u57fa\u4e8e\u4eba\u7c7b\u89c6\u89c9\u7cfb\u7edf\uff08Barten \u9608\u503c\u6a21\u578b\uff09\u63a8\u5bfc\u51fa\u7684\u975e\u7ebf\u6027\u66f2\u7ebf\uff0c\u6700\u9ad8\u652f\u6301\u5230 10,000 nits\u3002<\/p>\n\n\n\n<p>\u5728 PQ \u7684\u4e16\u754c\u91cc\uff0c\u4fe1\u53f7\u4ee3\u7801\u4e0e\u7269\u7406\u4eae\u5ea6\u662f\u7edd\u5bf9\u7ed1\u5b9a\u7684\u3002\u5982\u679c\u89c6\u9891\u6587\u4ef6\u4e2d\u7684\u67d0\u4e2a\u50cf\u7d20\u5bf9\u5e94\u7684\u4fe1\u53f7\u503c\u8981\u6c42\u8f93\u51fa 1000 nits\uff0c\u90a3\u4e48\u65e0\u8bba\u662f\u653e\u5728 400 nits \u7684\u5165\u95e8\u663e\u793a\u5668\u4e0a\uff0c\u8fd8\u662f\u653e\u5728 4000 nits \u7684\u9876\u7ea7\u76d1\u89c6\u5668\u4e0a\uff0c\u8fd9\u4e2a\u50cf\u7d20\u201c\u672c\u8be5\u201d\u88ab\u70b9\u4eae\u5230 1000 nits\u3002<\/p>\n\n\n\n<p><strong>\u786c\u6838\u516c\u5f0f\uff1a<\/strong> PQ\u7684\u975e\u7ebf\u6027\u4fe1\u53f7 N \u8f6c\u6362\u4e3a\u7ebf\u6027\u4eae\u5ea6 Y \u7684 EOTF \u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>$$Y = \\left( \\frac{\\max[(N^{1\/m_2} &#8211; c_1), 0]}{c_2 &#8211; c_3 N^{1\/m_2}} \\right)^{1\/m_1}$$<\/p>\n\n\n\n<p><em>(\u6ce8\uff1a\u5176\u4e2d $m_1, m_2, c_1, c_2, c_3$ \u5747\u4e3a\u4e3a\u4e86\u62df\u5408\u4eba\u773c\u89c6\u89c9\u611f\u77e5\u7684\u5e38\u6570\u3002)<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/pq_curve.png\"><img loading=\"lazy\" decoding=\"async\" width=\"989\" height=\"590\" src=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/pq_curve.png\" alt=\"\" class=\"wp-image-10652\" srcset=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/pq_curve.png 989w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/pq_curve-300x179.png 300w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/pq_curve-768x458.png 768w\" sizes=\"auto, (max-width: 989px) 100vw, 989px\" \/><\/a><\/figure>\n\n\n\n<p><strong>\u81f4\u547d\u5f31\u70b9\uff1a<\/strong> \u56e0\u4e3a PQ \u662f\u7edd\u5bf9\u7684\uff0c\u6240\u4ee5\u5f53\u5185\u5bb9\u8981\u6c42\u7684\u4eae\u5ea6<strong>\u8d85\u8fc7<\/strong>\u663e\u793a\u5668\u7684\u7269\u7406\u6781\u9650\u65f6\uff08\u6bd4\u5982\u5185\u5bb9\u8981\u6c42 4000 nits\uff0c\u663e\u793a\u5668\u53ea\u80fd\u4eae 600 nits\uff09\uff0c\u663e\u793a\u5668\u5c31\u5fc5\u987b\u8fdb\u884c\u201c\u8272\u8c03\u6620\u5c04\uff08Tone Mapping\uff09\u201d\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48 PQ <strong>\u6781\u5176\u4f9d\u8d56\u5143\u6570\u636e<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. HLG \u66f2\u7ebf (Hybrid Log-Gamma \/ ARIB STD-B67)<\/h3>\n\n\n\n<p>HLG \u662f\u7531 BBC \u548c NHK \u8054\u5408\u5f00\u53d1\u7684\uff0c\u5b83\u7684\u54f2\u5b66\u662f<strong>\u201c\u76f8\u5bf9\u4eae\u5ea6\u6620\u5c04\u201d<\/strong>\u3002\u5b83\u653e\u5f03\u4e86\u5bf9\u7edd\u5bf9\u4eae\u5ea6\u7684\u6267\u5ff5\uff0c\u8f6c\u800c\u5173\u6ce8\u201c\u6bd4\u4f8b\u201d\u3002<\/p>\n\n\n\n<p>HLG \u7684\u6697\u90e8\u5230\u4e2d\u95f4\u8c03\u4f7f\u7528\u4f20\u7edf\u7684 Gamma \u66f2\u7ebf\uff08\u517c\u5bb9 SDR\uff09\uff0c\u800c\u9ad8\u5149\u90e8\u5206\u4f7f\u7528\u5bf9\u6570\uff08Log\uff09\u66f2\u7ebf\u3002<\/p>\n\n\n\n<p>$$E = \\begin{cases} \\sqrt{3} L^{0.5} &amp; 0 \\le L \\le 1\/12 \\\\ a \\ln(12L &#8211; b) + c &amp; 1\/12 &lt; L \\le 1 \\end{cases}$$<\/p>\n\n\n\n<p>\u7531\u4e8e\u662f\u76f8\u5bf9\u6620\u5c04\uff0cHLG \u4fe1\u53f7\u4e0d\u9700\u8981\u544a\u8bc9\u663e\u793a\u5668\u201c\u8fd9\u4e2a\u50cf\u7d20\u5fc5\u987b\u662f 1000 nits\u201d\uff0c\u800c\u662f\u8bf4\u201c\u8fd9\u4e2a\u50cf\u7d20\u662f\u6700\u9ad8\u4eae\u5ea6\u7684 80%\u201d\u3002\u663e\u793a\u5668\u4f1a\u6839\u636e\u81ea\u8eab\u7684\u6700\u5927\u4eae\u5ea6\uff08\u6bd4\u5982 600 nits\uff09\u81ea\u52a8\u8fdb\u884c\u7f29\u653e\u5206\u914d\u3002\u56e0\u6b64\uff0c<strong>\u6807\u51c6 HLG \u5929\u7136\u4e0d\u9700\u8981\u5143\u6570\u636e\u4e5f\u80fd\u6b63\u5e38\u663e\u793a<\/strong>\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/hlg_curve.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"593\" src=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/hlg_curve-1024x593.png\" alt=\"\" class=\"wp-image-10656\" srcset=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/hlg_curve-1024x593.png 1024w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/hlg_curve-300x174.png 300w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/hlg_curve-768x445.png 768w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/hlg_curve.png 1427w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u4ec0\u4e48\u662f\u52a8\u6001\u5143\u6570\u636e\uff08Dynamic Metadata\uff09\uff1f<\/h2>\n\n\n\n<p>\u8981\u771f\u6b63\u7406\u89e3\u52a8\u6001\u5143\u6570\u636e\uff08\u5982 Dolby Vision, HDR10+ \/ SMPTE ST 2094\uff09\u7684\u964d\u7ef4\u6253\u51fb\u80fd\u529b\uff0c\u6211\u4eec\u5fc5\u987b\u5148\u770b\u770b\u5b83\u7684\u524d\u8f88\u2014\u2014<strong>\u6807\u51c6 HDR10<\/strong> \u662f\u5982\u4f55\u5de5\u4f5c\u7684\u3002<\/p>\n\n\n\n<p>HDR10 \u4f9d\u8d56\u7684\u662f<strong>\u9759\u6001\u5143\u6570\u636e\uff08Static Metadata\uff09<\/strong>\u3002\u5b83\u5c31\u50cf\u662f\u4e00\u4e2a\u6781\u5176\u6b7b\u677f\u7684\u7535\u5f71\u653e\u6620\u5458\uff0c\u53ea\u5728\u7535\u5f71\u5f00\u573a\u524d\u770b\u4e00\u773c\u6570\u636e\u8868\uff1a\u6574\u90e8\u7535\u5f71\u6700\u4eae\u7684\u4e00\u4e2a\u50cf\u7d20\u662f\u591a\u5c11\uff08MaxCLL\uff0c\u6bd4\u5982 4000 nits\uff09\uff0c\u5e73\u5747\u4eae\u5ea6\u662f\u591a\u5c11\uff08MaxFALL\uff09\u3002\u7136\u540e\uff0c\u4f60\u7684\u663e\u793a\u5668\uff08\u5047\u8bbe\u5b83\u53ea\u6709 600 nits \u7684\u5cf0\u503c\u4eae\u5ea6\uff09\u4f1a\u57fa\u4e8e\u8fd9\u4e2a 4000 nits \u7684\u5168\u5c40\u6781\u503c\uff0c\u751f\u6210\u4e00\u6761\u8272\u8c03\u6620\u5c04\u66f2\u7ebf\uff0c\u5e76<strong>\u6b7b\u6b7b\u9501\u5b9a\uff0c\u8d2f\u7a7f\u6574\u90e8\u7535\u5f71\u7684\u4e24\u5c0f\u65f6\uff0c\u7edd\u4e0d\u66f4\u6539\u3002<\/strong><\/p>\n\n\n\n<p>\u76f8\u6bd4\u4e4b\u4e0b\uff0c<strong>\u52a8\u6001\u5143\u6570\u636e<\/strong>\u5219\u662f\u5728\u9010\u573a\u666f\uff08Scene-by-Scene\uff09\u751a\u81f3\u9010\u5e27\uff08Frame-by-Frame\uff09\u5730\u53d1\u9001\u6307\u4ee4\u3002\u5b83\u50cf\u662f\u4e00\u4e2a\u5750\u5728\u663e\u793a\u5668\u82af\u7247\u65c1\u8fb9\u7684\u8c03\u8272\u5e08\uff0c\u5b9e\u65f6\u6307\u6325\u3002<\/p>\n\n\n\n<p>\u8ba9\u6211\u4eec\u628a\u8fd9\u4e24\u8005\u653e\u5728\u4e00\u53f0 600 nits \u7684\u666e\u901a HDR \u663e\u793a\u5668\u4e0a\uff0c\u770b\u770b\u5b83\u4eec\u5728\u540c\u4e00\u90e8\u7535\u5f71\u7684\u4e0d\u540c\u573a\u666f\u4e2d\u8868\u73b0\u6709\u591a\u60ac\u6b8a\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u573a\u666fA\uff08\u9633\u5149\u6c99\u6ee9 &#8211; \u753b\u9762\u5cf0\u503c 4000 nits\uff09\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>HDR10\uff08\u9759\u6001\uff09\uff1a<\/strong> \u7535\u89c6\u77e5\u9053\u5168\u5c40\u6700\u9ad8\u662f 4000 nits\uff0c\u5f53\u524d\u753b\u9762\u4e5f\u786e\u5b9e\u523a\u773c\u3002\u4e3a\u4e86\u628a 4000 nits \u7684\u5de8\u989d\u4fe1\u53f7\u585e\u8fdb\u81ea\u8eab 600 nits \u7684\u786c\u4ef6\u74f6\u9888\u91cc\uff0c\u7535\u89c6\u5f00\u542f\u9ad8\u5149\u538b\u7f29\u6a21\u5f0f\uff08Roll-off\uff09\uff0c\u4fdd\u5168\u4e86\u5929\u7a7a\u4e2d\u9ad8\u5149\u4e91\u5c42\u7684\u5c42\u6b21\uff0c\u4f46\u4ee3\u4ef7\u662f\u6574\u4e2a\u6c99\u6ee9\u7684\u5e73\u5747\u4eae\u5ea6\u4e0d\u53ef\u907f\u514d\u5730\u88ab\u5168\u5c40\u538b\u6697\u4e86\u3002<\/li>\n\n\n\n<li><strong>\u52a8\u6001\u5143\u6570\u636e\uff1a<\/strong> \u540c\u6837\u6536\u5230 4000 nits \u7684\u6307\u4ee4\uff0c\u540c\u6837\u8fdb\u884c\u9ad8\u5149\u538b\u7f29\u3002\u5728\u8fd9\u4e2a\u6781\u9650\u9ad8\u5149\u573a\u666f\u4e0b\uff0c\u52a8\u6001\u5143\u6570\u636e\u548c HDR10 \u7684\u8868\u73b0\u5dee\u5f02\u4e0d\u5927\uff0c\u90fd\u5728\u52aa\u529b\u201c\u9632\u7206\u201d\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u573a\u666fB\uff08\u5730\u4e0b\u5ba4\u60ca\u9b42 &#8211; \u753b\u9762\u5cf0\u503c\u4ec5 200 nits\uff09\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>HDR10\uff08\u9759\u6001\uff09\u7684\u707e\u96be\uff1a<\/strong> \u8fd9\u662f\u9759\u6001\u5143\u6570\u636e\u7684\u81f4\u547d\u4f24\u3002\u5c3d\u7ba1\u5f53\u524d\u5730\u4e0b\u5ba4\u753b\u9762\u7684\u6700\u9ad8\u70b9\u53ea\u6709 200 nits\uff0c<strong>\u8fdc\u8fdc\u4f4e\u4e8e\u7535\u89c6\u672c\u8eab\u7684 600 nits \u7269\u7406\u6781\u9650<\/strong>\uff0c\u4f46\u7535\u89c6\u662f\u4e2a\u6b7b\u8111\u7b4b\uff0c\u5b83\u4f9d\u7136\u6b7b\u6b7b\u5957\u7528\u7740\u4e4b\u524d\u4e3a\u4e86\u9632\u8303 4000 nits \u9633\u5149\u6c99\u6ee9\u800c\u8bbe\u5b9a\u7684\u90a3\u5957\u201c\u5168\u5c40\u9632\u7206\u66f2\u7ebf\u201d\u3002\n<ul class=\"wp-block-list\">\n<li><strong>\u8ba9\u6211\u4eec\u6765\u7b97\u4e00\u7b14\u6b8b\u9177\u7684\u8d26\uff1a<\/strong> \u5047\u8bbe\u8fd9\u53f0\u7535\u89c6\u91c7\u7528\u4e86\u4e00\u79cd\u6807\u51c6\u7684\u4fdd\u5b88\u538b\u7f29\u7b56\u7565\u2014\u2014\u5728 100 nits\uff08\u4f20\u7edf SDR \u7684\u767d\u70b9\uff09\u4e4b\u524d\u4fdd\u6301 1:1 \u7cbe\u51c6\u6620\u5c04\uff0c\u7136\u540e\u5c06\u8d85\u8fc7 100 nits \u76f4\u81f3 4000 nits \u7684\u5e9e\u5927\u4fe1\u53f7\u533a\u95f4\uff0c\u751f\u786c\u5730\u6309\u6bd4\u4f8b\u585e\u8fdb\u663e\u793a\u5668\u4ec5\u5269\u7684 <strong>100 \uff5e 600 nits<\/strong> \u53d1\u5149\u7a7a\u95f4\u91cc\u3002<\/li>\n\n\n\n<li>\u6b64\u65f6\uff0c\u5bf9\u4e8e\u5730\u4e0b\u5ba4\u4e2d\u4e00\u4e2a\u539f\u672c\u8981\u6c42\u53d1\u5149 <strong>200 nits<\/strong> \u7684\u6697\u90e8\u7ec6\u8282\u50cf\u7d20\uff0c\u5b83\u7684\u5b9e\u9645\u8f93\u51fa\u4eae\u5ea6 L<sub>out<\/sub> \u5c06\u88ab\u538b\u7f29\u4e3a\uff1a$$L_{out} = 100 + (200 &#8211; 100) \\times \\left( \\frac{600 &#8211; 100}{4000 &#8211; 100} \\right) \\approx 112.8\\text{ nits}$$<\/li>\n\n\n\n<li><strong>\u770b\u5230\u4e86\u5417\uff1f\u539f\u672c\u5e94\u8be5\u6709 200 nits \u4eae\u5ea6\u7684\u7269\u4f53\uff0c\u88ab\u751f\u751f\u524a\u5f31\u4e86\u5c06\u8fd1\u4e00\u534a\uff0c\u6389\u56de\u4e86\u53ea\u6709 112.8 nits \u7684\u7c7b SDR \u4eae\u5ea6\u533a\u95f4\u3002<\/strong> \u7ed3\u679c\u5c31\u662f\uff0c\u539f\u672c\u5c31\u4e0d\u4eae\u7684\u5730\u4e0b\u5ba4\u88ab\u5168\u5c40\u65e0\u8111\u538b\u6697\uff0c\u6697\u90e8\u7ec6\u8282\uff08\u6bd4\u5982\u89d2\u843d\u91cc\u6f5c\u4f0f\u7684\u602a\u7269\uff09\u5f7b\u5e95\u7cca\u6210\u4e00\u56e2\u6b7b\u9ed1\uff0c\u539f\u672c\u4f18\u79c0\u7684 HDR \u6e38\u620f\/\u7535\u5f71\u89c2\u611f\u8361\u7136\u65e0\u5b58\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u52a8\u6001\u5143\u6570\u636e\u7684\u964d\u7ef4\u6253\u51fb\uff1a<\/strong> \u5b9e\u65f6\u6307\u4ee4\u544a\u8bc9\u7535\u89c6\uff1a\u201c\u6ce8\u610f\uff0c\u8fd9\u4e00\u5e55\u6700\u9ad8\u53ea\u6709 200 nits\uff0c\u7acb\u523b\u89e3\u9664\u9ad8\u5149\u538b\u7f29\u8b66\u62a5\uff01\u201d \u7535\u89c6\u6536\u5230\u6307\u4ee4\uff0c\u77ac\u95f4\u5e9f\u5f03\u4e86\u90a3\u6761\u82df\u5ef6\u6b8b\u5598\u7684 4000 nits \u6620\u5c04\u66f2\u7ebf\uff0c\u5207\u6362\u81f3\u65b0\u7684\u903b\u8f91\uff1a<strong>0 \uff5e200 nits \u8303\u56f4\u5185 1:1 \u76f4\u63a5\u8f93\u51fa\u4eae\u5ea6\uff0c\u4e0d\u505a\u4efb\u4f55\u538b\u7f29\u8ba1\u7b97<\/strong>\u3002\u77ac\u95f4\uff0c\u5730\u4e0b\u5ba4\u7684\u6697\u90e8\u7ec6\u8282\u88ab\u5b8c\u5168\u70b9\u4eae\uff0c\u602a\u7269\u7684\u8f6e\u5ed3\u547c\u4e4b\u6b32\u51fa\u3002\u8fd9\u53f0\u53ea\u6709 600 nits \u7684\u666e\u901a\u7535\u89c6\uff0c\u5728\u8fd9\u4e00\u523b\u8868\u73b0\u5f97\u5c31\u50cf\u4e00\u53f0\u5b8c\u7f8e\u7684\u53c2\u8003\u7ea7\u76d1\u89c6\u5668\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5c31\u662f\u52a8\u6001\u5143\u6570\u636e\u7684\u672c\u8d28\uff1a<strong>\u5b83\u662f\u4e00\u672c\u201c\u5b9e\u65f6\u6307\u5bfc\u624b\u518c\u201d\uff0c\u6559\u5bfc\u80fd\u529b\u4e0d\u8db3\u7684\u663e\u793a\u5668\u5982\u4f55\u5728\u4e0d\u7834\u574f\u521b\u4f5c\u8005\u610f\u56fe\u7684\u524d\u63d0\u4e0b\uff0c\u69a8\u5e72\u81ea\u5df1\u7684\u6bcf\u4e00\u6ef4\u786c\u4ef6\u6027\u80fd\u3002<\/strong> \u786c\u4ef6\u8d8a\u7fb8\u5f31\uff0c\u8fd9\u672c\u624b\u518c\u7684\u6551\u547d\u4f5c\u7528\u5c31\u8d8a\u5927\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u675c\u6bd4\u89c6\u754c\u7684\u53cc\u9762\u4eba\uff1aProfile 5 \u4e0e Profile 8.4<\/h2>\n\n\n\n<p>\u540c\u6837\u662f Dolby Vision\uff0c\u5e95\u5c42\u903b\u8f91\u5374\u53ef\u80fd\u5929\u5dee\u5730\u522b\u3002\u76ee\u524d\u4e3b\u6d41\u7684\u5185\u5bb9\u5206\u53d1\u4e2d\u6700\u5e38\u89c1\u7684\u662f Profile 5\uff08\u6d41\u5a92\u4f53\u5de8\u5934\u6700\u7231\uff09\u548c Profile 8.4\uff08\u82f9\u679c iPhone \u62cd\u6444\u7684\u9ed8\u8ba4\u683c\u5f0f\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Dolby Vision Profile 5\uff1a\u7eaf\u7cb9\u7684\u4e13\u5236\u8005<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u57fa\u7840\u66f2\u7ebf\uff1a<\/strong> PQ<\/li>\n\n\n\n<li><strong>\u8272\u5f69\u7a7a\u95f4\uff1a<\/strong> \u72ec\u5bb6 <strong>IPTPQc2<\/strong> (\u53d6\u4ee3\u4f20\u7edf\u7684 YCbCr)<\/li>\n\n\n\n<li><strong>\u7279\u70b9\uff1a<\/strong> \u8fd9\u662f\u675c\u6bd4\u6700\u7eaf\u7cb9\u3001\u6700\u786c\u6838\u7684\u5c01\u88c5\u683c\u5f0f\u3002\u5b83\u5b8c\u5168\u6ca1\u6709\u5411\u540e\u517c\u5bb9\u6027\uff08\u6ca1\u6709\u540e\u5907\u7684 HDR10 \u6216 SDR \u5c42\uff09\u3002\u5982\u679c\u4f60\u5728\u4e00\u4e2a\u4e0d\u652f\u6301\u675c\u6bd4\u89c6\u754c\u7684\u8bbe\u5907\u4e0a\u5f3a\u884c\u64ad\u653e Profile 5\uff0c\u4f60\u4f1a\u770b\u5230\u975e\u5e38\u8be1\u5f02\u7684\u7d2b\u7eff\u8272\u753b\u9762\u3002<\/li>\n\n\n\n<li><strong>\u4e3a\u4ec0\u4e48\u7528 IPT\uff1f<\/strong> \u4f20\u7edf\u7684 YCbCr \u7a7a\u95f4\u5728\u8fdb\u884c\u8272\u8c03\u6620\u5c04\uff08\u964d\u4f4e\u4eae\u5ea6\uff09\u65f6\uff0c\u5bb9\u6613\u53d1\u751f\u201c\u8272\u504f\uff08Hue Shift\uff09\u201d\u3002\u675c\u6bd4\u5f00\u53d1\u7684 IPT \u7a7a\u95f4\u5c06\u4eae\u5ea6\uff08I\uff09\u4e0e\u8272\u5ea6\uff08P, T\uff09\u8fdb\u884c\u4e86\u6781\u5176\u4e25\u683c\u7684\u89e3\u8026\u3002\u5f53\u52a8\u6001\u5143\u6570\u636e\u6307\u6325\u663e\u793a\u5668\u538b\u6697\u9ad8\u5149\u65f6\uff0cProfile 5 \u80fd\u786e\u4fdd\u989c\u8272\u4f9d\u7136\u7eaf\u6b63\uff0c\u4e0d\u4f1a\u51fa\u73b0\u9ad8\u5149\u6cdb\u9ec4\u6216\u53d1\u767d\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Dolby Vision Profile 8.4\uff1a\u5b9e\u7528\u4e3b\u4e49\u7684\u6df7\u8840\u513f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u57fa\u7840\u66f2\u7ebf\uff1a<\/strong> HLG<\/li>\n\n\n\n<li><strong>\u8272\u5f69\u7a7a\u95f4\uff1a<\/strong> BT.2020 \/ YCbCr<\/li>\n\n\n\n<li><strong>\u7279\u70b9\uff1a<\/strong> \u8fd9\u662f\u82f9\u679c\u4e3a\u4e86\u63a8\u5e7f HDR \u5f55\u5236\u800c\u5927\u529b\u6276\u6301\u7684\u6807\u51c6\u3002\u5b83\u7684\u5e95\u5b50\u662f\u4e00\u5c42\u6807\u51c6\u7684 HLG HDR\u3002\u5728\u8fd9\u5c42 HLG \u4e4b\u4e0a\uff0c\u53e0\u52a0\u4e86\u675c\u6bd4\u89c6\u754c\u7684\u52a8\u6001\u5143\u6570\u636e\uff08\u901a\u8fc7 SEI \u4fe1\u606f\u5c01\u88c5\uff09\u3002<\/li>\n\n\n\n<li><strong>\u4f18\u52bf\u4e0e\u59a5\u534f\uff1a<\/strong> \u5b83\u7684\u517c\u5bb9\u6027\u65e0\u654c\u3002\u5982\u679c\u4f60\u628a iPhone \u62cd\u7684 Profile 8.4 \u89c6\u9891\u53d1\u7ed9\u4e00\u53f0\u4e0d\u652f\u6301\u675c\u6bd4\u7684\u666e\u901a HDR \u7535\u89c6\uff0c\u7535\u89c6\u4f1a\u76f4\u63a5\u8bfb\u53d6 HLG \u5e95\u5c42\uff0c\u6b63\u5e38\u663e\u793a HDR \u753b\u9762\uff1b\u5982\u679c\u8bbe\u5907\u652f\u6301\u675c\u6bd4\uff0c\u5b83\u5c31\u4f1a\u63d0\u53d6\u52a8\u6001\u5143\u6570\u636e\u8fdb\u884c\u66f4\u7cbe\u51c6\u7684\u4f18\u5316\u3002\u867d\u7136\u5b83\u6ca1\u6709 Profile 5 \u7684 IPT \u8272\u5f69\u7a7a\u95f4\u90a3\u4e48\u4e25\u8c28\uff0c\u4f46\u5bf9\u4e8e\u7528\u6237\u751f\u6210\u5185\u5bb9\uff08UGC\uff09\u548c\u591a\u8bbe\u5907\u5206\u4eab\u6765\u8bf4\uff0c\u5b83\u662f\u6700\u4f73\u9009\u62e9\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u4f17\u751f\u76f8\uff1a\u52a8\u6001\u5143\u6570\u636e\u5728\u4e0d\u540c\u9636\u7ea7\u663e\u793a\u5668\u4e0a\u7684\u201c\u4f5c\u7528\u529b\u201d<\/h2>\n\n\n\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u8fdb\u5165\u672c\u6587\u6700\u6838\u5fc3\u7684\u63a8\u6f14\uff1a<strong>\u5f53\u8fd9\u672c\u201c\u5b9e\u65f6\u6307\u5bfc\u624b\u518c\u201d\uff08\u52a8\u6001\u5143\u6570\u636e\uff09\u4e0b\u53d1\u5230\u4e0d\u540c\u7ea7\u522b\u7684\u663e\u793a\u8bbe\u5907\u65f6\uff0c\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. SDR \u663e\u793a\u5668 (~100 &#8211; 250 nits, Rec.709)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528\u5927\u5c0f\uff1a\u6781\u5927\uff08\u51b3\u5b9a\u751f\u6b7b\uff09<\/strong><\/li>\n\n\n\n<li><strong>\u89e3\u6790\uff1a<\/strong> \u628a HDR \u653e\u5728 SDR \u663e\u793a\u5668\u4e0a\u64ad\u653e\uff0c\u662f\u4e00\u4e2a\u628a\u201c\u4e09\u7ef4\u7a7a\u95f4\u964d\u7ef4\u6253\u51fb\u6210\u4e8c\u7ef4\u201d\u7684\u8fc7\u7a0b\u3002\u5982\u679c\u4e0d\u4f9d\u8d56\u52a8\u6001\u5143\u6570\u636e\uff0c\u64ad\u653e\u5668\u53ea\u80fd\u8fdb\u884c\u6781\u5176\u7c97\u66b4\u7684\u5168\u5c40\u7ebf\u6027\u538b\u7f29\u6216\u8005\u76f4\u63a5\u622a\u65ad\uff08Clipping\uff09\uff0c\u5bfc\u81f4\u753b\u9762\u8272\u5f69\u5be1\u6de1\u3001\u9ad8\u5149\u6b7b\u767d\u3001\u6697\u90e8\u6b7b\u9ed1\u3002<\/li>\n\n\n\n<li><strong>\u52a8\u6001\u5143\u6570\u636e\u7684\u4ecb\u5165\uff1a<\/strong> \u914d\u5408\u652f\u6301\u675c\u6bd4\u89e3\u7801\u7684\u64ad\u653e\u7aef\uff08\u5982 Apple TV \u914d\u5408\u4f18\u8d28\u7684\u8f6c\u6362\u7b97\u6cd5\uff0c\u6216 madVR \u6e32\u67d3\u5668\uff09\uff0c\u52a8\u6001\u5143\u6570\u636e\u4f1a\u5b9e\u65f6\u544a\u8bc9\u8f6c\u6362\u5668\u5f53\u524d\u753b\u9762\u7684\u4eae\u5ea6\u5206\u5e03\u3002\u7b97\u6cd5\u53ef\u4ee5\u6839\u636e\u8fd9\u4e9b\u6570\u636e\uff0c\u6bcf\u4e00\u5e27\u90fd\u91cd\u65b0\u751f\u6210\u6700\u4f18\u7684 Gamma \u66f2\u7ebf\uff0c\u4ece\u800c\u5728 100 nits \u7684\u72ed\u5c0f\u7a7a\u95f4\u91cc\uff0c\u5c3d\u53ef\u80fd\u201c\u9a97\u201d\u8fc7\u4eba\u773c\uff0c\u4fdd\u7559 HDR \u5e94\u6709\u7684\u5bf9\u6bd4\u5ea6\u9519\u89c9\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. HDR400 \/ HDR600 (\u4fa7\u5165\u5f0f\u80cc\u5149 \/ \u65e0\u5206\u533a\u63a7\u5149\u6216\u6781\u5c11\u5206\u533a)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528\u5927\u5c0f\uff1a\u6781\u5176\u5173\u952e\uff08\u906e\u4e11\u795e\u5668\uff09<\/strong><\/li>\n\n\n\n<li><strong>\u89e3\u6790\uff1a<\/strong> \u8fd9\u4e00\u9636\u5c42\u88ab\u79f0\u4e3a\u201c\u5047 HDR\u201d\u3002\u5b83\u4eec\u867d\u7136\u80fd\u770b\u61c2 PQ \u66f2\u7ebf\uff0c\u4f46\u786c\u4ef6\u7d20\u8d28\u6781\u5dee\u3002\u5f53\u9762\u5bf9 1000 nits \u6216 4000 nits \u7684 HDR \u5185\u5bb9\u65f6\uff0c\u5b83\u4eec\u5fc5\u987b\u8fdb\u884c\u6781\u4e3a\u5267\u70c8\u7684\u8272\u8c03\u6620\u5c04\uff08Tone Mapping\uff09\u3002<\/li>\n\n\n\n<li><strong>\u52a8\u6001\u5143\u6570\u636e\u7684\u4ecb\u5165\uff1a<\/strong> \u5982\u679c\u6ca1\u6709\u52a8\u6001\u5143\u6570\u636e\uff0cHDR400 \u663e\u793a\u5668\u9762\u5bf9 4000 nits \u6781\u9650\u7684\u5185\u5bb9\uff0c\u53ea\u80fd\u5168\u5c40\u6781\u5ea6\u538b\u6697\u3002\u6709\u4e86\u52a8\u6001\u5143\u6570\u636e\uff0c\u663e\u793a\u5668\u5728\u6697\u573a\u666f\u53ef\u4ee5\u5168\u529f\u7387\u8f93\u51fa\u4fdd\u8bc1\u4eae\u5ea6\uff0c\u5728\u9ad8\u5149\u573a\u666f\u5219\u901a\u8fc7\u667a\u80fd\u7684 Knee-point\uff08\u62d0\u70b9\uff09\u5e73\u6ed1\u8fc7\u6e21\u9ad8\u5149\u3002\u52a8\u6001\u5143\u6570\u636e\u5728\u8fd9\u91cc\u7684\u4f5c\u7528\u662f<strong>\u201c\u62ef\u6551\u89c2\u611f\u201d<\/strong>\uff0c\u9632\u6b62\u4f60\u7684\u663e\u793a\u5668\u56e0\u4e3a\u65e0\u8111\u6620\u5c04\u800c\u53d8\u6210\u4e00\u5768\u9ed1\u4e4e\u4e4e\u7684\u9a6c\u8d5b\u514b\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. HDR1000 (Mini-LED \/ \u9ad8\u7aef OLED \/ \u51e0\u767e\u81f3\u4e0a\u5343\u5206\u533a\u63a7\u5149)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528\u5927\u5c0f\uff1a\u4e2d\u7b49\u504f\u4e0a\uff08\u9526\u4e0a\u6dfb\u82b1\uff0c\u7ec6\u8282\u96d5\u7422\uff09<\/strong><\/li>\n\n\n\n<li><strong>\u89e3\u6790\uff1a<\/strong> \u8fd9\u662f\u4e00\u4e2a\u5206\u6c34\u5cad\u3002\u76ee\u524d\u597d\u83b1\u575e\u5927\u91cf\u7684\u7535\u5f71\u6b63\u662f\u5728\u6700\u9ad8 1000 nits \u7684\u76d1\u89c6\u5668\u4e0a\u5b8c\u6210\u8c03\u8272\u7684\uff08\u4f8b\u5982\u7d22\u5c3c\u7684 BVM-HX310\uff09\u3002<\/li>\n\n\n\n<li><strong>\u52a8\u6001\u5143\u6570\u636e\u7684\u4ecb\u5165\uff1a<\/strong> * <strong>\u5982\u679c\u5185\u5bb9\u672c\u8eab\u5c31\u662f 1000 nits \u5c01\u9876\uff1a<\/strong> \u4f60\u7684\u663e\u793a\u5668\u786c\u4ef6\u5df2\u7ecf\u80fd\u591f 1:1 \u5b8c\u7f8e\u8ddf\u8e2a PQ \u66f2\u7ebf\u76f4\u5230\u6700\u9ad8\u70b9\u3002\u6b64\u65f6\uff0c\u4e0d\u53d1\u751f\u4efb\u4f55\u538b\u7f29\uff0c\u8272\u8c03\u6620\u5c04\u5904\u4e8e\u4f11\u7720\u72b6\u6001\uff0c<strong>\u52a8\u6001\u5143\u6570\u636e\u51e0\u4e4e\u4e0d\u8d77\u4f5c\u7528<\/strong>\u3002\n<ul class=\"wp-block-list\">\n<li><strong>\u5982\u679c\u5185\u5bb9\u662f 4000 nits \u5c01\u9876\uff08\u5982\u534e\u7eb3\u5144\u5f1f\u7684\u4e00\u4e9b\u7535\u5f71\uff09\uff1a<\/strong> \u6b64\u65f6\uff0c\u5bf9\u4e8e 0-1000 nits \u7684\u90e8\u5206\uff0c\u663e\u793a\u5668\u7cbe\u51c6\u8fd8\u539f\uff1b\u5bf9\u4e8e 1000-4000 nits \u7684\u9ad8\u5149\uff08\u5982\u592a\u9633\u3001\u706b\u82b1\u3001\u9713\u8679\u706f\uff09\uff0c\u52a8\u6001\u5143\u6570\u636e\u5c06\u6307\u5bfc\u663e\u793a\u5668\u5982\u4f55\u4f18\u96c5\u5730\u5c06\u8fd9\u90e8\u5206\u8d85\u51fa\u7684\u4eae\u5ea6\u538b\u7f29\u8fdb\u81ea\u5df1 1000 nits \u7684\u6781\u9650\u91cc\uff0c\u4ece\u800c\u4fdd\u7559\u4e91\u5c42\u7684\u5c42\u6b21\u548c\u7206\u70b8\u7684\u7130\u706b\u7ec6\u8282\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. HDR4000 (\u9876\u7ea7\u53c2\u8003\u7ea7\u76d1\u89c6\u5668 \/ \u672a\u6765\u7684\u5bb6\u7528\u65d7\u8230)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528\u5927\u5c0f\uff1a\u5fae\u4e4e\u5176\u5fae\uff08\u57fa\u672c\u95f2\u7f6e\uff09<\/strong><\/li>\n\n\n\n<li><strong>\u89e3\u6790\uff1a<\/strong> \u5f53\u663e\u793a\u5668\u7684\u5168\u5c4f\u6216\u5cf0\u503c\u4eae\u5ea6\u771f\u6b63\u8fbe\u5230 4000 nits\uff0c\u4e14\u62e5\u6709\u50cf\u7d20\u7ea7\u63a7\u5149\u80fd\u529b\uff08\u5982\u672a\u6765\u7684 Micro-LED \u6216\u6781\u81f4\u7684\u53cc\u5c42 LCD\uff09\u65f6\uff0c\u5b83\u5df2\u7ecf\u5177\u5907\u4e86\u786c\u5403\u5f53\u524d\u5e02\u9762\u4e0a 99.9% \u84dd\u5149\u53ca\u6d41\u5a92\u4f53\u539f\u76d8\u6570\u636e\u7684\u80fd\u529b\u3002<\/li>\n\n\n\n<li><strong>\u52a8\u6001\u5143\u6570\u636e\u7684\u4ecb\u5165\uff1a<\/strong> \u5728\u8fd9\u7c7b\u602a\u517d\u7ea7\u786c\u4ef6\u9762\u524d\uff0c\u6240\u6709\u7684\u8272\u8c03\u6620\u5c04\u7b97\u6cd5\u5927\u90e8\u5206\u65f6\u95f4\u90fd\u5728\u7761\u5927\u89c9\u3002PQ \u66f2\u7ebf\u5728\u8fd9\u53f0\u663e\u793a\u5668\u4e0a\u5f97\u5230\u4e86\u7edd\u5bf9\u7684\u5c0a\u91cd\u3002\u52a8\u6001\u5143\u6570\u636e\u53ea\u5728\u6781\u7aef\u7f55\u89c1\u7684\u573a\u666f\uff08\u4f8b\u5982\u67d0\u4e2a\u7535\u5f71\u4f7f\u7528\u4e86 10,000 nits \u7684\u6bcd\u7248\u8fdb\u884c\u8c03\u8272\uff09\u4e0b\u624d\u4f1a\u7a0d\u5fae\u6d3b\u52a8\u4e00\u4e0b\u7b4b\u9aa8\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u7406\u8bba\u4e0a\u7684\u5b8c\u7f8e\u663e\u793a\u5668\uff08\u65e0\u9650\u4eae\u5ea6\uff0c\u5b8c\u5168\u7684\u7eaf\u9ed1\uff0c100% Rec.2020 \u8272\u57df\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528\u5927\u5c0f\uff1a\u7edd\u5bf9\u4e3a\u96f6\uff08\u6ca6\u4e3a\u5e9f\u4ee3\u7801\uff09<\/strong><\/li>\n\n\n\n<li><strong>\u89e3\u6790\uff1a<\/strong> \u8fd9\u662f\u663e\u793a\u6280\u672f\u7684\u7ec8\u6781\u4e4c\u6258\u90a6\u3002\u5728\u8fd9\u53f0\u5b8c\u7f8e\u7684\u8bbe\u5907\u4e0a\uff0c\u5b83\u53ef\u4ee5 1:1 \u5b8c\u7f8e\u8ddf\u8e2a SMPTE ST 2084 \u7684 PQ \u66f2\u7ebf\u76f4\u5230 Barten \u6a21\u578b\u7684\u5c3d\u5934\u3002<\/li>\n\n\n\n<li>\u4e0d\u5b58\u5728\u786c\u4ef6\u74f6\u9888\uff0c\u5c31\u4e0d\u5b58\u5728\u8d85\u51fa\u786c\u4ef6\u80fd\u529b\u7684\u4fe1\u53f7\uff0c\u56e0\u6b64<strong>\u4e0d\u9700\u8981\u8fdb\u884c\u4efb\u4f55\u8272\u8c03\u6620\u5c04\uff08Tone Mapping = False\uff09<\/strong>\u3002<\/li>\n\n\n\n<li>\u6b64\u65f6\uff0c\u65e0\u8bba\u7535\u5f71\u5c01\u88c5\u4e86\u591a\u4e48\u590d\u6742\u3001\u591a\u4e48\u6602\u8d35\u7684 Dolby Vision \u52a8\u6001\u5143\u6570\u636e\uff0c\u8fd9\u53f0\u663e\u793a\u5668\u770b\u90fd\u4e0d\u4f1a\u770b\u4e00\u773c\u3002\u5b83\u53ea\u9700\u8981\u8bfb\u53d6\u6700\u539f\u59cb\u7684 0 \u548c 1 \u7684 PQ \u89c6\u9891\u6d41\uff0c\u5c06\u7535\u4fe1\u53f7\u8f6c\u5316\u4e3a\u5bf9\u5e94\u7684\u7edd\u5bf9\u5149\u5b50\u53d1\u5c04\u51fa\u53bb\u3002\u5728\u8fd9\u91cc\uff0c<strong>\u5143\u6570\u636e\u5b8c\u6210\u4e86\u5b83\u7684\u5386\u53f2\u4f7f\u547d\uff0c\u81ea\u6211\u6d88\u89e3\u4e8e\u5b8c\u7f8e\u7684\u786c\u4ef6\u4e4b\u4e2d\u3002<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bed\uff1a\u4e00\u573a\u7531\u786c\u4ef6\u59a5\u534f\u5f15\u53d1\u7684\u534e\u4e3d\u6253\u78e8<\/h2>\n\n\n\n<p>\u56de\u671b\u6574\u4e2a HDR \u7684\u6280\u672f\u6808\uff0c\u4f60\u4f1a\u53d1\u73b0\u4e00\u4e2a\u6709\u8da3\u7684\u6096\u8bba\uff1a<strong>\u52a8\u6001\u5143\u6570\u636e\u6280\u672f\u8d8a\u53d1\u8fbe\u3001\u8d8a\u91cd\u8981\uff0c\u6070\u6070\u8bf4\u660e\u6211\u4eec\u5f53\u4e0b\u7684\u663e\u793a\u786c\u4ef6\u8d8a\u7fb8\u5f31\u3002<\/strong> PQ \u66f2\u7ebf\u8bbe\u5b9a\u4e86\u4e00\u4e2a\u7406\u60f3\u56fd\u7684\u6807\u6746\uff0c\u800c\u73b0\u5b9e\u4e2d\u7684\u663e\u793a\u5668\u53c2\u5dee\u4e0d\u9f50\u3002Dolby Vision \u7b49\u52a8\u6001\u5143\u6570\u636e\u6280\u672f\uff0c\u672c\u8d28\u4e0a\u662f\u9876\u7ea7\u7b97\u6cd5\u5de5\u7a0b\u5e08\u4e3a\u4e86\u5f25\u8865\u201c\u7406\u60f3\u4fe1\u53f7\u201d\u4e0e\u201c\u6b8b\u7f3a\u786c\u4ef6\u201d\u4e4b\u95f4\u7684\u9e3f\u6c9f\uff0c\u6240\u5f00\u53d1\u51fa\u7684\u4e00\u5957\u6781\u81f4\u590d\u6742\u7684\u59a5\u534f\u827a\u672f\u3002\u5f53\u4f60\u770b\u7740\u4e00\u53f0\u5343\u5143\u7ea7 HDR400 \u5c4f\u5e55\uff0c\u56e0\u4e3a\u675c\u6bd4\u89c6\u754c\u7684\u52a0\u6301\u800c\u52c9\u5f3a\u5448\u73b0\u51fa\u4e0d\u9519\u7684\u9633\u5149\u8d28\u611f\u65f6\uff0c\u4f60\u770b\u5230\u7684\u662f\u65e0\u6570\u884c\u4ee3\u7801\u5728\u540e\u53f0\u75af\u72c2\u8fd0\u7b97\u3001\u59a5\u534f\u4e0e\u633d\u6551\u7684\u6210\u679c\u3002<\/p>\n\n\n\n<p>\u90a3\u4e48\uff0c\u5bf9\u4e8e\u6b63\u5728\u642d\u5efa\u6216\u5347\u7ea7\u684c\u9762\/\u5bb6\u5ead\u5f71\u9662\u7cfb\u7edf\u7684\u4f60\u800c\u8a00\uff0c\u5728\u9884\u7b97\u6709\u9650\u7684\u60c5\u51b5\u4e0b\uff0c\u4f60\u662f\u66f4\u503e\u5411\u4e8e\u8d2d\u4e70\u4e00\u53f0\u8d26\u9762\u6570\u636e\u60ca\u4eba\u4f46\u53ea\u652f\u6301\u9759\u6001 HDR10 \u7684\u663e\u793a\u5668\uff0c\u8fd8\u662f\u5b81\u613f\u727a\u7272\u4e00\u70b9\u5cf0\u503c\u4eae\u5ea6\uff0c\u53bb\u8ffd\u6c42\u4e00\u53f0\u5b8c\u7f8e\u652f\u6301 Dolby Vision \u52a8\u6001\u6620\u5c04\u7684\u8bbe\u5907\u5462\uff1f<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u9644\u5f55\uff1a\u5dc5\u5cf0\u5bf9\u51b3\uff1a\u5f53 HLG \u88ab\u5f3a\u884c\u62c9\u5347\u81f3 10000 nits\uff0c\u8c01\u5728\u88f8\u6cf3\uff1f<br><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/pq_vs_hlg2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"637\" src=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/pq_vs_hlg2-1024x637.png\" alt=\"\" class=\"wp-image-10668\" srcset=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/pq_vs_hlg2-1024x637.png 1024w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/pq_vs_hlg2-300x186.png 300w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/pq_vs_hlg2-768x477.png 768w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2026\/03\/pq_vs_hlg2.png 1427w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>\u5982\u679c\u8bf4 1000 nits \u662f\u5f53\u4e0b\u4e3b\u6d41 HDR \u7684\u53ca\u683c\u7ebf\uff0c\u90a3\u4e48 10000 nits \u5c31\u662f\u663e\u793a\u6280\u672f\u7684\u201c\u7ec8\u6781\u8bd5\u70bc\u573a\u201d\u3002\u8fd9\u4e5f\u662f\u9a8c\u8bc1 PQ\uff08\u7edd\u5bf9\u6620\u5c04\uff09\u4e0e HLG\uff08\u76f8\u5bf9\u6620\u5c04\uff09\u5e95\u5c42\u54f2\u5b66\u5dee\u5f02\u7684\u6700\u4f73\u663e\u5fae\u955c\u3002<\/p>\n\n\n\n<p>\u8ba9\u6211\u4eec\u628a<strong>\u6807\u51c6\u7684 HLG 1000 nits \u66f2\u7ebf<\/strong>\u4e5f\u52a0\u5165\u6218\u5c40\u3002\u6839\u636e ITU-R BT.2100 \u6807\u51c6\uff0c\u5728 1000 nits \u663e\u793a\u5668\u4e0a\uff0cHLG \u7684\u7cfb\u7edf Gamma\uff08OOTF Shift\uff09\u662f\u76f8\u5bf9\u6e29\u548c\u7684 1.2\uff1b\u4f46\u5982\u679c\u6211\u4eec\u8981\u5728\u4e00\u53f0\u7406\u8bba\u5cf0\u503c\u4e3a 10000 nits \u7684\u5b8c\u7f8e\u663e\u793a\u5668\u4e0a\u64ad\u653e\u76f8\u540c\u7684 HLG \u4fe1\u53f7\uff0c\u663e\u793a\u5668\u5fc5\u987b\u5c06\u7cfb\u7edf Gamma \u98d9\u5347\u81f3\u60ca\u4eba\u7684 1.62\uff0c\u4ee5\u6b64\u6765\u66b4\u529b\u62c9\u4f38\u753b\u9762\u5bf9\u6bd4\u5ea6\u3002<\/p>\n\n\n\n<p>\u5f53\u6211\u4eec\u628a\u8fd9\u6761\u4f18\u96c5\u7684 HLG 1000 nits \u66f2\u7ebf\u3001\u88ab\u6781\u7aef\u62c9\u4f38\u7684 HLG 10000 nits \u66f2\u7ebf\uff0c\u4e0e\u5929\u751f\u4e3a 10000 nits \u6253\u9020\u7684 PQ \u66f2\u7ebf\u653e\u5728\u540c\u4e00\u5f20\u5bf9\u6570\u5750\u6807\u56fe\u4e0a\u65f6\uff0c\u4e00\u4e2a\u6781\u5176\u53cd\u76f4\u89c9\u3001\u5374\u53c8\u65e0\u6bd4\u7b26\u5408\u7269\u7406\u5b66\u5b9a\u5f8b\u7684\u771f\u76f8\u6d6e\u51fa\u6c34\u9762\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u6697\u90e8\u4e0e\u4e2d\u7070\u7684\u8f83\u91cf\uff1aPQ \u7684\u7edd\u5bf9\u951a\u5b9a vs HLG \u7684\u201c\u6570\u636e\u96ea\u5d29\u201d<\/h4>\n\n\n\n<p>\u5728\u7535\u5149\u8f6c\u6362\u66f2\u7ebf\uff08EOTF\uff09\u4e2d\uff0c\u6709\u4e00\u4e2a\u7edd\u5bf9\u771f\u7406\uff1a\u66f2\u7ebf\u8d8a\u5e73\u7f13\uff0c\u5206\u914d\u7684\u6570\u5b57\u8272\u9636\uff08Code Value\uff09\u5c31\u8d8a\u591a\uff0c\u8272\u5f69\u8fc7\u6e21\u5c31\u8d8a\u7ec6\u817b\uff1b\u66f2\u7ebf\u8d8a\u9661\u5ced\uff0c\u8272\u9636\u6570\u636e\u8d8a\u5c11\uff0c\u4eae\u5ea6\u8de8\u5ea6\u8d8a\u5927\uff0c\u8d8a\u5bb9\u6613\u51fa\u73b0\u65ad\u5c42\uff08Banding\uff09\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>HLG 1000 nits \u7684\u201cSDR \u504f\u8892\u201d\uff1a<\/strong> \u8fd9\u662f\u4e00\u4e2a\u6781\u5176\u60ca\u4eba\u7684\u4e8b\u5b9e\u2014\u2014\u5728\u6807\u51c6\u7684 1000 nits \u73af\u5883\u4e0b\uff0cHLG \u5728 0 \u5230 100 nits\uff08\u4f20\u7edf SDR \u4eae\u5ea6\uff0c\u4eba\u773c\u6700\u654f\u611f\u533a\u57df\uff09\u5206\u914d\u4e86\u6781\u5176\u5938\u5f20\u7684\u6570\u636e\u91cf\u3002\u5b83\u8db3\u8db3\u6d88\u8017\u4e86\u7ea6 <strong>644 \u4e2a Code Value\uff08\u5360\u6bd4\u9ad8\u8fbe 63%\uff09<\/strong>\uff01\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48 HLG \u5177\u6709\u6781\u5f3a\u7684 SDR \u5411\u4e0b\u517c\u5bb9\u6027\uff0c\u56e0\u4e3a\u5b83\u7684\u524d\u534a\u6bb5\u57fa\u56e0\u51e0\u4e4e\u5c31\u662f\u4e3a\u4f20\u7edf\u5c4f\u5e55\u91cf\u8eab\u5b9a\u5236\u7684\u3002\u5728\u8fd9\u4e2a\u4eae\u5ea6\u4e0b\uff0c\u5b83\u7684\u6697\u90e8\u8fc7\u6e21\u4e30\u5bcc\u5230\u6ea2\u51fa\u3002<\/li>\n\n\n\n<li><strong>PQ \u7684\u201c\u7edd\u5bf9\u951a\u5b9a\u201d\uff1a<\/strong> \u76f8\u6bd4\u4e4b\u4e0b\uff0c\u7ea2\u8272\u7684 PQ \u66f2\u7ebf\u65e0\u8bba\u5728\u4ec0\u4e48\u663e\u793a\u5668\u4e0a\uff0c\u90fd\u6b7b\u6b7b\u951a\u5b9a\u7740 Barten \u89c6\u89c9\u9608\u503c\u3002\u5728 0 \u5230 100 nits \u533a\u95f4\uff0c\u5b83\u6c38\u8fdc\u6052\u5b9a\u652f\u51fa\u7ea6 <strong>520 \u4e2a Code Value\uff08\u5360\u6bd4\u7ea6 51%\uff09<\/strong>\u3002\u5b83\u4e0d\u504f\u8892\u4efb\u4f55\u4eba\uff0c\u53ea\u5fe0\u4e8e\u4eba\u773c\u751f\u7406\u5b66\uff0c\u6b65\u6b65\u4e3a\u8425\u5730\u4fdd\u8bc1\u6697\u90e8\u6e10\u53d8\u5982\u4e1d\u822c\u987a\u6ed1\u3002<\/li>\n\n\n\n<li><strong>HLG 10000 nits \u7684\u201c\u6570\u636e\u96ea\u5d29\u201d\uff1a<\/strong> \u707e\u96be\u53d1\u751f\u5728\u88ab\u62c9\u4f38\u7684 HLG 10000 nits \u94c1\u7ebf\u4e0a\u3002\u5728\u9ad8\u8fbe 1.62 \u7684 System Gamma \u66b4\u529b\u62c9\u626f\u4e0b\uff0c\u4e3a\u4e86\u628a\u4eae\u5ea6\u9876\u5230 10000 nits\uff0c\u5b83\u88ab\u8feb\u5c06\u6697\u90e8\u7684\u6570\u636e\u75af\u72c2\u201c\u62bd\u8840\u201d\u3002\u539f\u672c\u5728 100 nits \u4ee5\u4e0b\u4eab\u6709 644 \u4e2a\u53f0\u9636\u7684\u6697\u90e8\u548c\u4e2d\u7070\uff0c\u6b64\u65f6\u88ab\u751f\u751f\u538b\u7f29\u5230\u4e86\u4ec5\u5269 <strong>428 \u4e2a\u53f0\u9636\uff08\u5360\u6bd4\u66b4\u8dcc\u81f3 42%\uff09<\/strong>\uff01 \u6574\u6574\u4e22\u5931\u4e86 200 \u591a\u4e2a\u53f0\u9636\uff0c\u5bfc\u81f4\u8fd9\u7247\u6700\u654f\u611f\u533a\u57df\u7684\u66f2\u7ebf\u53d8\u5f97\u6781\u5176\u9661\u5ced\uff0c\u6bcf\u4e00\u6b65\u7684\u7269\u7406\u4eae\u5ea6\u5dee\u88ab\u786c\u751f\u751f\u62c9\u5927\uff0c\u76f4\u63a5\u51fb\u7a7f\u4e86 Barten \u9608\u503c\u7684\u4fdd\u62a4\u7f69\u3002\u8fd9\u5c31\u5b8c\u7f8e\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48 HLG \u5728\u62c9\u4f38\u5230\u8d85\u9ad8\u4eae\u5ea6\u663e\u793a\u5668\u65f6\uff0c\u6700\u5148\u5d29\u76d8\u3001\u51fa\u73b0\u60e8\u4e0d\u5fcd\u7779\u7684\u7b49\u9ad8\u7ebf\u8272\u5e26\uff08Banding\uff09\u7684\u5730\u65b9\uff0c\u6070\u6070\u662f\u539f\u672c\u6570\u636e\u6700\u4e30\u6c9b\u7684\u6697\u90e8\u548c\u4e2d\u7070\u8272\u5757\uff01<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u9ad8\u5149\u533a\u7684\u6b8a\u9014\u540c\u5f52\uff1a\u4eba\u773c\u7684\u201c\u81f4\u76f2\u59a5\u534f\u201d<\/h4>\n\n\n\n<p>\u5982\u679c\u4f60\u7ee7\u7eed\u5f80\u56fe\u8868\u7684\u53f3\u4e0a\u65b9\u770b\uff081000 nits \u5230 10000 nits \u7684\u6781\u9650\u9ad8\u5149\u533a\uff09\uff0c\u4f60\u4f1a\u53d1\u73b0\u4e00\u4e2a\u6709\u8da3\u7684\u73b0\u8c61\uff1a\u4e4b\u524d\u5728\u6697\u90e8\u5206\u6b67\u5de8\u5927\u7684 PQ \u548c HLG 10000nits \u66f2\u7ebf\uff0c\u5728\u8fd9\u91cc\u7adf\u7136\u9ad8\u5ea6\u91cd\u5408\uff0c\u90fd\u53d8\u5f97\u6781\u4e3a\u9661\u5ced\u5e73\u6ed1\uff08\u5728\u5bf9\u6570\u56fe\u8868\u4e0a\u8868\u73b0\u4e3a\u76f8\u4f3c\u7684\u6536\u675f\uff09\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5e95\u5c42\u6570\u5b66\u7684\u5207\u6362\uff1a<\/strong> HLG \u5728\u4fe1\u53f7\u8de8\u8fc7 50% \u4e4b\u540e\uff0c\u820d\u5f03\u4e86\u4e0b\u534a\u6bb5\u7684 Gamma \u66f2\u7ebf\uff0c\u5207\u6362\u6210\u4e86\u7eaf\u7cb9\u7684\u5bf9\u6570\u66f2\u7ebf\uff08Log Curve\uff09\uff1b\u800c PQ \u7684\u6574\u4f53\u6570\u5b66\u6a21\u578b\uff0c\u5728\u9ad8\u5149\u533a\u57df\u4e5f\u662f\u6781\u5176\u63a5\u8fd1\u5bf9\u6570\u7279\u6027\u7684\u3002\u6b64\u65f6\uff0c\u65e0\u8bba\u662f 1000 nits \u8fd8\u662f 10000 nits \u7684 HLG\uff0c\u5176\u9ad8\u5149\u538b\u7f29\u903b\u8f91\u4e0e PQ \u6b8a\u9014\u540c\u5f52\u3002<\/li>\n\n\n\n<li><strong>\u751f\u7269\u5b66\u7684\u771f\u76f8\uff1a<\/strong> \u5728\u51e0\u5343 nits \u7684\u523a\u773c\u9ad8\u5149\u4e0b\uff08\u6bd4\u5982\u76f4\u89c6\u592a\u9633\u3001\u7535\u710a\u706b\u82b1\u6216\u7206\u70b8\uff09\uff0c\u4eba\u773c\u4f1a\u53d1\u751f\u751f\u7406\u6027\u7684\u201c\u7729\u5149\u81f4\u76f2\u201d\uff0c\u5bf9\u6bd4\u5ea6\u654f\u611f\u5ea6\u6781\u5ea6\u4e0b\u964d\u3002\u4e0d\u7ba1\u662f\u675c\u6bd4\u7684\u79d1\u5b66\u5bb6\u8fd8\u662f BBC \u7684\u5de5\u7a0b\u5e08\uff0c\u5927\u5bb6\u90fd\u5fc3\u7167\u4e0d\u5ba3\u5730\u8fbe\u6210\u4e86\u5171\u8bc6\uff1a\u6ca1\u5fc5\u8981\u7ed9\u9ad8\u5149\u6d6a\u8d39\u592a\u591a\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5728\u8fd9\u4e2a\u6781\u9ad8\u4eae\u533a\u95f4\uff0c\u4e24\u5957\u6807\u51c6\u90fd\u5728\u8fdb\u884c\u75af\u72c2\u7684\u201c\u9ad8\u5149\u538b\u7f29\u201d\uff0c\u5b83\u4eec\u90fd\u6781\u5176\u9ed8\u5951\u5730\u53ea\u7528\u5269\u4e0b\u7684 <strong>25% \u5de6\u53f3<\/strong> Code Value\uff0c\u53bb\u8de8\u8d8a\u4e86 90% \u7684\u7269\u7406\u4eae\u5ea6\u533a\u95f4 (1000 nits ~ 10000 nits)\u3002\u5728\u8fd9\u7247\u201c\u4eba\u7c7b\u89c6\u89c9\u76f2\u533a\u201d\u91cc\uff0c\u5b83\u4eec\u8fbe\u6210\u4e86\u60ca\u4eba\u7684\u548c\u89e3\u3002\u8c01\u8ba9\u4eba\u7c7b\u662f\u7528\u5bf9\u6570\u611f\u77e5\u4e16\u754c\u7684\uff08\u8fd9\u5176\u5b9e\u662f\u4e00\u79cd\u751f\u7269\u5b66\u4fdd\u62a4\uff09\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5c0f\u7ed3\uff1a\u7687\u51a0\u5c5e\u4e8e\u8c01\uff1f<\/h4>\n\n\n\n<p>\u8fd9\u573a\u4ece 1000 nits \u5230 10000 nits \u7684\u7ec8\u6781\u63a8\u6f14\u544a\u8bc9\u6211\u4eec\uff1aHLG \u662f\u4e00\u628a\u6781\u5176\u4f18\u79c0\u7684\u201c\u745e\u58eb\u519b\u5200\u201d\uff0c\u5b83\u7528\u76f8\u5bf9\u6620\u5c04\u548c\u65e0\u5143\u6570\u636e\u89e3\u51b3\u4e86\u5e7f\u7535\u7cfb\u7edf\u5411\u4e0b\u517c\u5bb9\u7684\u75db\u70b9\uff0c\u5728 1000 nits \u4ee5\u4e0b\u8868\u73b0\u4f18\u5f02\u3002\u4f46\u5728\u51b2\u51fb\u7406\u8bba\u6781\u9650\u65f6\uff0c\u5176\u5e95\u5c42\u76f8\u5bf9\u6620\u5c04\u673a\u5236\u4f1a\u5f15\u53d1\u6697\u90e8\u201c\u6570\u636e\u62bd\u8840\u201d\uff0c\u9020\u6210\u7684 JND\uff08\u6700\u5c0f\u53ef\u89c9\u5bdf\u5dee\u5f02\uff09\u7206\u8868\uff0c\u6ce8\u5b9a\u4e86\u5b83\u65e0\u6cd5\u627f\u8f7d\u6781\u81f4\u7684\u89c6\u89c9\u4f53\u9a8c\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u771f\u6b63\u8ffd\u6c42\u6781\u81f4\u7684 HDR \u751f\u6001\uff08\u597d\u83b1\u575e\u6bcd\u5e26\u3001\u9876\u7ea7 3A \u6e38\u620f\u5927\u4f5c\uff09\u800c\u8a00\uff0c\u57fa\u5e95\u91c7\u7528 PQ \u66f2\u7ebf\uff0c\u4e0a\u5c42\u8f85\u4ee5\u9010\u5e27\u6307\u5bfc\u7684\u52a8\u6001\u5143\u6570\u636e\uff08Dolby Vision\uff09\uff0c\u624d\u662f\u901a\u5411\u201c\u5b8c\u7f8e\u663e\u793a\u201d\u7684\u552f\u4e00\u771f\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u679c\u4f60\u5bf9\u663e\u793a\u6280\u672f\u6709\u8db3\u591f\u7684\u6267\u5ff5\uff0c\u4f60\u4e00\u5b9a\u4f1a\u53d1\u73b0\u5f53\u4e0b\u7684 HDR\uff08\u9ad8\u52a8\u6001\u8303\u56f4\uff09\u751f\u6001\u662f\u4e00\u4e2a\u5145\u6ee1\u672f\u8bed\u3001\u6807\u51c6\u4e92\u6bb4\u4ee5\u53ca\u8425\u9500\u8bdd\u672f\u7684\u201c\u9ed1\u6697\u68ee\u6797\u201d\u3002\u4ece PQ \u5230 HLG\uff0c\u4ece\u675c\u6bd4\u89c6\u754c\uff08Dolby Vision\uff09\u7684\u5404\u7c7b Profile \u5230\u5404\u79cd\u7ea7\u522b\u7684 DisplayHDR \u8ba4\u8bc1\uff0c\u666e\u901a\u6d88\u8d39\u8005\u751a\u81f3\u8bb8\u591a\u4e13\u4e1a\u73a9\u5bb6\u90fd\u5bb9\u6613\u8ff7\u5931\u5176\u4e2d\u3002 \u672c\u6587\u5c06\u5265\u5f00\u8425\u9500\u7684\u5916\u8863\uff0c\u4ece\u6700\u786c\u6838\u7684\u5e95\u5c42\u903b\u8f91\u51fa\u53d1\uff0c\u5e26\u4f60\u5f7b\u5e95\u641e\u61c2 HDR \u52a8\u6001\u5143\u6570\u636e\uff08Dynamic Metadata\uff09 \u662f\u5982\u4f55\u8fd0\u4f5c\u7684\uff0c\u5256\u6790 PQ \u4e0e HLG \u66f2\u7ebf\u7684\u672c\u8d28\u533a\u522b\uff0c\u6df1\u6316 Dolby Vision Profile 5 \u4e0e 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