Digital television transmission with error correction

Details Digital television transmission with error correction Digital television transmission with error correction

2011-08-02

2011-08-02

Baker, Stephen M (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S774000

Reexamination Certificate

active

07992068

ABSTRACT:
In a transmitter, a standard stream of encoded multi-media data and uniform error correction data is transmitted through a first channel. The uniform error correction data provides substantially the same error correction for all portions of the encoded multimedia data. Simultaneously, additional unequal error correction data is generated for critical portions of the standard stream and not for other portions of the standard stream, and the additional error correct data is transmitted through a second channel. In a receiver, the additional error correct data is used to error correct just the critical portions of the standard stream, and then the uniform error correction data is used to error correct all the portions of the encoded multimedia data of the standard stream.

REFERENCES:
patent: 7010037 (2006-03-01), Ye et al.
patent: 7082221 (2006-07-01), Jiang
patent: 7426677 (2008-09-01), Chou et al.
patent: 2002/0146074 (2002-10-01), Ariel et al.
patent: 19503528 (1996-08-01), None
Wayne E. Bretl et al., “PES packets and elementary streams” in “Comprehensive MPEG2 Video Compression Tutorial”, Jan. 15, 2000, www.bretl.com.
“ATSC Satandard A/53: Digital Television Standard”, Aug. 2001, www.atsc.org.

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