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.
ITU-T J.189 CORR 1 FRENCH-2003由国际电信联盟 IX-ITU 发布于 2003-04-01。
ITU-T J.189 CORR 1 FRENCH-2003 在中国标准分类中归属于: M60 广播、电视网综合。
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