Video data recording apparatus

Details Video data recording apparatus Video data recording apparatus

1998-08-19

2000-10-03

Tokar, Michael

Coded data generation or conversion

Digital code to digital code converters

To or from bit count codes

341 59, H03M 746, H03M 700

Patent

active

061279528

ABSTRACT:
A video data run length decoding apparatus is disclosed. The aparatus includes a run length decoder for analyzing a run value of a coded video data, generating a run value, and alternately outputting an interval of a 8-clock signal in which there is a data and another interval of a 8-clock signal in which there is not a data using a gap clock signal, a reverse zig zag and dequantizer for processing a data from the run length decoder based on the reverse zig zag and dequantization operation, and a reverse discrete cosine converter for processing a data outputted from the reverse zig zag and dequantizer, two times, based on the reverse discrete cosine conversion and outputting a two-dimensional video data, thereby decreasing the number of gates of a decoding apparatus and implementing a high speed system by alternately outputting an interval in which there is a data and another interval in which there is not a data using a gap clock signal generator in a run length decoder for a video data run length decoding apparatus.

REFERENCES:
patent: 4207599 (1980-06-01), Murayama et al.
patent: 4499498 (1985-02-01), Iinuma
patent: 4626829 (1986-12-01), Hauck
patent: 5614953 (1997-03-01), Kim
patent: 5649077 (1997-07-01), On et al.

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