MPEG2 编解码系统的恒定延迟技术.PDF

6 Vol.28 No. 6 2000 6 ACTA ELECTRONICA SINICA Ju e 2000 MPEG2 施 驰, 王宏远, 黄载禄 ( , 430074) : MPEG2 , . MPGE2 , , / . . : MPEG2; ; ; ; : TN91981 : A : (2000) The Constant Delay Techniques of MPEG2 System SHI Chi, WANG Ho gyua , HUANG Zailu ( Dep t of Electronic and Inf ormation Engineering , Huazhong University of Science and Technology, Wuhan 430074, China Abstract : I a MPEG2 system. it is a key tech ique to obtai perfect timi g model for decodi g SystemsVideo a d Audio. I this timi g model, the e dtoe d delay betwee the sig al i put to a e coder a d the sig al output from a decoder should be a co sta t .Accordi g to the MPEG2 I ter atio al Sta dard, the whole software a d hardware solutio of the timi g model i cludi g e codermultiplexerremutiplexer a d decodr which have co sta t delay is prese ted. Key words: MPEG2; co sta t delay; e coder; multiplexer; decoder 1 . , MPEG MPEG2 2 / . . , : 2 DVB( Digital Video Broadcast) . DVB MPEG2 TS , , , C Ku . MPEG2 . , 1. . , , . , MPEG2 , , TS PCR. 1 PCR MPEG2 ,