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A novel co-decoding scheme to reduce memory in MPEG-2 MP@ML decoder

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4 Author(s)
Chimienti, A. ; Centro di Studio per la Televisione, CNR, Torino, Italy ; Lucenteforte, M. ; Pau, D. ; Sannino, R.

This paper presents an encoding algorithm which allows a main profile main level MPEG-2 decoder to reduce the external dedicated memory. Typically, for most TV applications, a 16 Mbit SDRAM is needed, but using a new compression approach it is possible to reduce this amount of memory to less than 8 Mbits for PAL sequences. The REMPEG50 (reduced memory MPEG decoder and 50% frame compression) is a modified architecture of a MPEG-2 decoder that needs only one half of the external memory while keeping a full compatibility with the standard MPEG-2 decoder. When compared to a “pure” MPEG-2 decompression scheme, this shows a very good trade-off between loss of MPEG-2 quality over different bit rates and overall increased complexity

Published in:

Signals, Systems, and Electronics, 1998. ISSSE 98. 1998 URSI International Symposium on

Date of Conference:

29 Sep-2 Oct 1998