High speed variable length code decoder

Details High speed variable length code decoder High speed variable length code decoder

1996-11-15

1998-07-14

Young, Brian K.

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

H03M 740

Patent

active

057811350

ABSTRACT:
A high speed variable length code (VLC) decoder for decoding in real time data encoded in a system such as MPEG 1, MPEG 2 or HDTV (high definition television) includes a bit stream buffer, a data buffer, a pair of latch units, a pair of selectors, a barrel shifter, a VLC table random logic, an output buffer, an accumulator, and a VLC decoder controller. The VLC decoder controller appropriately controls data flow in the VLC decoder, by using a bit empty signal from the bit stream signal, a data empty signal from the data buffer, a data full signal from the output buffer and a carry signal from the accumulator.

REFERENCES:
patent: 5666116 (1997-09-01), Bakhumtsky
patent: 5677690 (1997-10-01), Sohn

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