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1、ICS 35.040 Ref. No. ISO/IEC 14496-2:2004/Amd.3:2007/Cor.1:2008(E) ISO/IEC 2008 All rights reserved Published in Switzerland INTERNATIONAL STANDARD ISO/IEC 14496-2:2004/Amd.3:2007 TECHNICAL CORRIGENDUM 1 Published 2008-07-15 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE D
2、E NORMALISATION INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION LECTROTECHNIQUE INTERNATIONALE Information technology Coding of audio-visual objects Part 2: Visual AMENDMENT 3: Support for colour spaces TECHNICAL CORRIGENDUM 1 Technologies de linformation Codage des objets audiovisuels Partie 2
3、: Codage visuel AMENDEMENT 3: Support pour espaces de couleur RECTIFICATIF TECHNIQUE 1 Technical Corrigendum 1 to ISO/IEC 14496-2:2004/Amd.3:2007 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia i
4、nformation. Page 2, replace Table 6-9 with the following (where changes are highlighted in grey): ISO/IEC 14496-2:2004/Amd.3:2007/Cor.1:2008(E) 2 ISO/IEC 20# All rights reserved Table 6-9 Transfer Characteristics Value Transfer Characteristic Informative Remarks 0 Forbidden 1 V = 1,099 Lc0,45 0,099
5、for 1 Lc 0,018 V = 4,500 Lc for 0,018 Lc 0 ITU-R Recommendation BT.709-5 ITU-R Recommendation BT.1361 conventional colour gamut system (functionally the same as the value 6) 2 Unspecified Image characteristics are unknown or are determined by the application. 3 Reserved For future use by ISO/IEC 4 A
6、ssumed display gamma 2,2 ITU-R Recommendation BT.470-6 System M (historical) United States National Television System Committee 1953 Recommendation for transmission standards for color television United States Federal Communications Commission Title 47 Code of Federal Regulations (2004) 73.682 (a) (
7、20) 5 Assumed display gamma 2,8 ITU-R Recommendation BT.1700 625 PAL or 625 SECAM ITU-R Recommendation BT.470-6 System B, G (historical) 6 V = 1,099 Lc0,45 0,099 for 1 Lc 0,018 V = 4,500 Lc for 0,018 Lc 0 ITU-R Recommendation BT.1700 NTSC ITU-R Recommendation BT.1358 525 or 625 Society of Motion Pic
8、ture and Television Engineers 170M (functionally the same as the value 1) 7 V = 1,1115 Lc0,45 0,1115 for Lc 0,0228 V = 4,0 Lc for 0,0228 Lc Society of Motion Picture and Television Engineers 240M 8 V = Lc Linear transfer characteristics 9 V = Max( 0, 1.0 + Log10( Lc )/2 ) for 0 Lc 0,018 V = (1,099 (
9、Lc)0,45 0,099) for 0,018 Lc IEC 61966-2-4 ISO/IEC 14496-2:2004/Amd.3:2007/Cor.1:2008(E) ISO/IEC 2008 All rights reserved 3 12 V = 1,099 Lc0,45 0,099 for 1,33 Lc 0,018 V = 4,500 Lc for 0,018 Lc 0,0045 V = (1,099 (4 * Lc)0,45 0,099) 4 for -0,0045 Lc 0,25 ITU-R Recommendation BT.1361 extended colour gamut system 13-255 Reserved For future use by ISO/IEC -,-,-