Method and apparatus for VC-1 to MPEG-2 video transcoding

Details Method and apparatus for VC-1 to MPEG-2 video transcoding Method and apparatus for VC-1 to MPEG-2 video transcoding

2011-03-08

2011-03-08

An, Shawn (Department: 2483)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240250, C375S240240, C375S240260, C375S240120, C375S240130, C375S240200, C382S233000, C382S235000, C382S238000, C382S236000, C382S250000, C382S246000

Reexamination Certificate

active

07903739

ABSTRACT:
A method for transcoding from a VC-1 format to an MPEG-2 format is disclosed. The method generally comprises the steps of (A) decoding an input video stream in the VC-1 format to generate a picture; (B) determining a first mode indicator for the picture; and (C) coding the picture into an output video stream in the MPEG-2 format using one of (i) an MPEG-2 field mode coding and (ii) an MPEG-2 frame mode coding as determined from the first mode indicator.

REFERENCES:
patent: 5442401 (1995-08-01), Murakami et al.
patent: 6625320 (2003-09-01), Nilsson et al.
patent: 7480335 (2009-01-01), Payson
patent: 7602846 (2009-10-01), Wu et al.
patent: 2005/0232497 (2005-10-01), Yogeshwar et al.
patent: 2006/0153294 (2006-07-01), Wang et al.

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