Method and apparatus for conversion of compressed bit stream rep

Details Method and apparatus for conversion of compressed bit stream rep Method and apparatus for conversion of compressed bit stream rep

1994-08-09

1996-04-30

Groody, James J.

Television

Format conversion

348416, H04N 701, H04N 7015, H04N 726

Patent

active

055129536

ABSTRACT:
A compressed bit stream converter is utilized for converting the video signal parameter bit stream representations of a video signal that are encoded using the temporal and spatial resolution characteristics of a first video transmission standard to the video signal parameter bit stream representations of the video signal that are encoded using the temporal and spatial resolution characteristics of a second video transmission standard. The representation of the video signal remains in compressed form and is not converted back into video signal form using a video encoder during the conversion between the compressed bit streams encoded using the first and second video transmission standard.

REFERENCES:
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patent: 5379072 (1995-01-01), Kondo
patent: 5408274 (1995-04-01), Chang et al.
patent: 5414469 (1995-05-01), Gonzales et al.
"Line Transmission on Non-Telephone Signals. Video Codec for Audiovisual Services at p.times.64 kbit/s," Recommendation H.261, CCITT, The International Telegraph and Telephone Consultative Committee, Geneva, 1990, 29 pages.
Netravali, A., et al., "A Codec for HDTV," IEEE Transactons on Consumer Electronics, vol. 38, No. 3, Aug. 1992, pp. 325-340.
Netravali, A., Haskel, B. G., Digital Pictures. Representation and Compression, Plenum Press, New York and London, pp. 204, 205, 334, 335.

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