방송 서비스에서 MMT와 MPEG-2 TS의 오버헤드 비교

Abstract

' (MMT(MPEG Media Transport)MPEG-2 TS(Transport Stream))* (overhead)+ &,. MPEG-2 TS(DTV(Digital Television), IPTV(Internet Protocol Television), DMB(Digital Multimedia Broadcasting) -. /01234 . 5. 678+,9:; &?@AB@)CDEF@GHI%JKL,. MPEG-2 TS MNO1990PQ RJSFT, UV20 xyz{ |&)* Dv}?~p+I%;qFT, Dv€^+‚F@7ƒ„ )* + , 0 ;q,. AbstractThis paper compares the transport overhead of MMT (MPEG Media Transport) with that of MPEG-2 TS (Transport Stream). MPEG-2 TS is globally used in multiplexing compressed audio and video data in digital broadcast industry, including areas of DTV (Digital Television), IPTV (Internet Protocol Television), and DMB (Digital Multimedia Broadcasting). It was the early 1990s when MPEG-2 TS standard was established. After more than two decades of years since its first establishment, many parts of MPEG-2 TS turned out to be inappropriate to today’s broadcast and communication environment. Given the situations, in 2014 MPEG (ISO/IEC JTC 1 SC 29/WG 11) standardized MMT as the next-generation multimedia transport standard hopefully that can replace MPEG-2 TS. In this paper, with assumptions of broadcast service scenarios we applied both MMT and MPEG-2 TS to each scenario and we calculated their transport overheads. We used a software program that counts the transport overhead, which was developed in our laboratory for this paper. And we conducted a comparative analysis based on the calculated result of transport overhead. Keywords: MMT, MPEG-2 TS, transport overhead, DTV, IPTV