High speed variable length code decoder

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 outpu...

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Bibliographic Details
Main Authors BAE; SEONG OK, KIM; SU HWAN
Format Patent
LanguageEnglish
Published 14.07.1998
Edition6
Subjects
BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary: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.
Bibliography:Application Number: US19960749564