Data output apparatus for variable length decoder

Details Data output apparatus for variable length decoder Data output apparatus for variable length decoder

1994-11-18

1997-02-11

Gaffin, Jeffrey A.

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

348423, H04N 7133

Patent

active

056025483

ABSTRACT:
A data output apparatus for a variable length decoder comprises a variable length decoding controller for outputting an address value, a general data enable signal and a video data enable signal in response to a variable length decoding control signal and a clock signal, a general data output unit for rearranging variable length-decoded general data in response to the general data enable signal and outputting the rearranged general data in response to the clock signal, and a video data output unit for rearranging variable length-decoded video data in response to the video data enable signal and outputting the rearranged video data in response to the clock signal. The general data output unit includes a selector for rearranging the variable length-decoded general data in response to a plurality of control signals, and a general data output controller for outputting the plurality of control signals to the selector in response to the general data enable signal. The video data output unit includes a selector for rearranging the variable length-decoded video data in response to a plurality of control signals, and a video data output controller for outputting the plurality of control signals to the selector in response to the video data enable signal, a video data escape active signal and a video data clear signal.

REFERENCES:
patent: 5086439 (1992-02-01), Asai et al.
patent: 5122875 (1992-06-01), Raychaudhuri
patent: 5414468 (1995-05-01), Lee

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