Moving pictures encoding with constant overall bit rate

Details Moving pictures encoding with constant overall bit rate Moving pictures encoding with constant overall bit rate

2006-08-15

2006-08-15

Wong, Allen (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240000, C375S240010, C375S240020, C375S240120

Reexamination Certificate

active

07092441

ABSTRACT:
A method and apparatus control bit rates used in a moving pictures encoder, such as an MPEG standard encoder. A sequence of moving pictures is divided into segments each of which comprises one or more groups of pictures. A constant overall bit rate is specified for the sequence of pictures, but variable bit rate encoding is used within each segment. A difference between the number of bits allocated for encoding the segment and the actual bits used for encoding is determined, and the difference is distributed over one or more subsequent segments.

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patent: 0804035 (1997-10-01), None

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