System for processing a digital signal including auxiliary data

Details System for processing a digital signal including auxiliary data System for processing a digital signal including auxiliary data

1993-04-22

1995-04-25

Williams, Howard L.

Coded data generation or conversion

Digital code to digital code converters

To or from packed format

341 67, 348408, 348423, H03M 740, H04N 712

Patent

active

054103088

ABSTRACT:
A block of picture elements is DCT transformed and coded to produce a corresponding data block of variable length codewords having an average length. The data blocks are apportioned among fixed length transport blocks as needed to produce full transport blocks. The transport blocks include a direct (DC) component and alternating components at prescribed locations, as well as an address information flag indicating whether or not block data is longer or shorter than the average length, and an address pointer, to facilitate recovery and synchronization of apportioned data blocks at a decoder.

REFERENCES:
patent: 4907101 (1990-03-01), Keesen et al.
patent: 4985766 (1991-01-01), Morrison et al.
patent: 5047852 (1991-09-01), Hanyu et al.
patent: 5138315 (1992-08-01), Le Queau et al.
patent: 5302949 (1994-04-01), Yoshinari et al.

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