ITU-T J.189 CORR 1 FRENCH-2003
MPEG-2比特流的无缝拼接.系列J:有线电视网络及电视声音节目和其它多媒体信号的传输.杂项.9号研究组

Seamless splicing for MPEG-2 bit streams SERIES J: CABLE NETWORKS AND TRANSMISSION OF TELEVISION SOUND PROGRAMME AND OTHER MULTIMEDIA SIGNALS Miscellaneous Study Group 9

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标准号

ITU-T J.189 CORR 1 FRENCH-2003

发布日期

2003年04月01日

实施日期

废止日期

无

中国标准分类号

M60

发布单位

IX-ITU

适用范围

Modify this clause as follows:The processing of the MPEG-2 bit stream is becoming increasingly necessary in televisiontransmission chainsto avoid picture quality degradation due to multiple cascaded MPEG-2 encoding and decoding cycles. In fact, Many local television operators normally receive several TV programtelevisionsignals from different or remote sources in the form of MPEG-2 bit streams. They switch these program signals at an appointed time to produce complete TV television programssignals, or they insert local advertisements and emergency messages into already complete television programsthe TV program signals. In these switching systems, seamless bitstream insertions, splicing has been strongly demandedrequiredto avoid picture quality degradation on the splicing point at the decoder side.