Packetized data stream decoder using timing information extracti

Details Packetized data stream decoder using timing information extracti Packetized data stream decoder using timing information extracti

1997-02-03

2000-04-04

Tung, Bryan

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

3488452, H04N 724

Patent

active

060470275

ABSTRACT:
A decoding device and decoding method for decoding main video data, sub video data and audio data included in a bit stream. The decoding device includes a divider which divides the bit stream into a header and data. The device also includes an extractor and a formatter, the extractor extracts first timing information which defines timing for outputting the decoded signal from the header, and the formatter inserts the first timing information to a prescribed position of the data. The device further includes a decoder for decoding the data to generate the decoded signal, and an output controller for controlling timing for outputting the decoded signal based on second timing information which defines a reference for the timing for outputting the decoded signal and the first timing information inserted at the prescribed position of the data. The decoding method includes the steps of dividing the bit stream into a header and data, and extracting the first timing information from the header. The method also includes the steps of inserting the first timing information to a prescribed position of the data, decoding the data to generate the decoded signal; and controlling timing for outputting the decoded signal based on the second timing information and the first timing information inserted at the prescribed position of the data.

REFERENCES:
patent: 5517250 (1996-05-01), Hoogenboom
patent: 5644310 (1997-07-01), Laczko, Sr.
patent: 5758007 (1998-05-01), Kitamura

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