Method and apparatus for transmitting a coded video signal

Details Method and apparatus for transmitting a coded video signal Method and apparatus for transmitting a coded video signal

2011-07-19

2011-07-19

Vu, Huy D (Department: 2461)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S231000, C370S234000, C370S252000, C370S230000

Reexamination Certificate

active

07983160

ABSTRACT:
A method and apparatus for transmitting a digitally encoded video image in real time via a data network wherein the video image is digitally encoded using a compression algorithm having a variable bit rate, e.g., JPEG2K, to provide an encoded data stream, the encoded data stream is fed into a buffer of known size, and the data is read from the buffer via a streamer with a controllable bit rate to provide a bit stream at a desired stream bit rate for transmission via the network. The bit rate of the encoded data stream from the encoder is monitored by a predictor and predicts a future bit rate of the encoded data stream; and, the bit rate of at least one of the encoder and the streamer is adjusted to provide the desired streaming bit rate.

REFERENCES:
patent: 5517253 (1996-05-01), De Lange
patent: 6160846 (2000-12-01), Chiang et al.
patent: 6269078 (2001-07-01), Lakshman et al.
patent: 2002/0122484 (2002-09-01), Mihara et al.
patent: 2002/0181597 (2002-12-01), Okada

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