Signal encoding with reverse run length and variable length codi

Details Signal encoding with reverse run length and variable length codi Signal encoding with reverse run length and variable length codi

1992-10-28

1994-04-12

Williams, Howard L.

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

341 63, 3582611, H03M 740, H03M 746

Patent

active

053029496

ABSTRACT:
Luminance signal coefficient data and chroma signal coefficient data are mixed in a signal string mixing circuit and supplied to a reverse run generating circuit where a run is taken in a reverse direction with respect to the encoding direction. The run is supplied to a variable length encoding circuit for being processed with variable length encoding so that encoding is performed while the relation on the time base between the signals is maintained. This leads to an improved encoding efficiency at the time of variable length encoding.

REFERENCES:
patent: 4626829 (1986-12-01), Hauck
patent: 4760461 (1988-07-01), Sato
patent: 4811113 (1989-03-01), Ozeki et al.
patent: 5046122 (1991-09-01), Nakaya et al.
patent: 5113266 (1992-05-01), Sugiura

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