Bit stream separating and merging system, apparatus, method...

Details Bit stream separating and merging system, apparatus, method... Bit stream separating and merging system, apparatus, method...

2005-05-31

2005-05-31

Vo, Tung (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

Reexamination Certificate

active

06901109

ABSTRACT:
Herein disclosed is a multiple-output bit stream separating apparatus for inputting an original MPEG-2 bit stream to separate into a plurality of transcoded MPEG-2 bit streams and a plurality of differential bit streams, and a multiple-output bit stream merging apparatus for inputting the transcoded MPEG-2 bit stream and the differential bit streams to reconstruct the original MPEG-2 bit stream. The bit rate of the transcoded MPEG-2 bit stream and the differential bit streams thus multiple times separated are much lower than that of the original MPEG-2 bit stream. This leads to the fact that the multiple-output bit stream separating apparatus and the multiple-input bit stream merging apparatus can promptly and reliably transmit and receive an original MPEG-2 bit stream having a large bit rate by transmitting and receiving a plurality of transcoded MPEG-2 bit streams and a plurality of differential bit streams in place of the original MPEG-2 bit stream.

REFERENCES:
patent: 4799252 (1989-01-01), Eizenhoffer et al.
patent: 6529484 (2003-03-01), Quinquis et al.
patent: 2002/0054638 (2002-05-01), Hanamura et al.

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