Rate and delivery time multiplexing for bandwidth optimization

Details Rate and delivery time multiplexing for bandwidth optimization Rate and delivery time multiplexing for bandwidth optimization

2005-08-16

2005-08-16

Rao, Andy (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240040

Reexamination Certificate

active

06931059

ABSTRACT:
A rate and delivery time multiplexing for bandwidth optimization algorithm has an allocation portion and a transrating portion. The allocation portion determines how many bits are available for each group of pictures in each program stream that is to be inserted into an outgoing MPEG Transport Stream (MTS). Based upon the allocated bits the transrating portion, when necessary, further compresses the program streams either in the compressed domain when rate reduction is minimal or in the pixel domain when rate reduction is significant. The result is the ability to transmit more video program streams over a given fixed bandwidth pipe for a given level of acceptable picture degradation.

REFERENCES:
patent: 6275536 (2001-08-01), Chen et al.
patent: 6351471 (2002-02-01), Robinett et al.

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