Method, encoder and decoder for the transmission of digital sign

Details Method, encoder and decoder for the transmission of digital sign Method, encoder and decoder for the transmission of digital sign

1996-12-10

1998-10-20

Chin, Tommy P.

Television

Format

Broadband

348426, 348432, 370465, 370538, 375260, H04N 712, H04N 1102, H04N 1104

Patent

active

058254307

ABSTRACT:
A method and apparatus for the transmission of digital signals comprises the steps of forming at least two data channels carrying data packets, and eventually header data. The channels have different levels of error protection and include picture data, wherein the data packets within one of the channels have the same level of error protection, and wherein a super-ordinate channel has a higher error protection than a subordinate channel. Important information of a subordinate channel is then transmitted in a super-ordinate channel. The important information allows following erroneous reception of the digital signals an improved recovery of picture data decoding.

REFERENCES:
patent: 5105442 (1992-04-01), Wei
patent: 5148272 (1992-09-01), Acampora et al.
patent: 5243629 (1993-09-01), Wei
patent: 5287178 (1994-02-01), Acampora et al.
patent: 5361097 (1994-11-01), Kolczynski
patent: 5463641 (1995-10-01), Dorward et al.
patent: 5467132 (1995-11-01), Fazel et al.

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