Variable length coded data processing method and device for perf

Details Variable length coded data processing method and device for perf Variable length coded data processing method and device for perf

1998-04-21

2000-11-28

Tung, Bryan

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

341 67, H04N 724

Patent

active

061544949

ABSTRACT:
Among a first and second video data each being variable length coded data such that an occupancy of a decoder buffer is neither overflown nor underflown, having an end code at a rear end thereof and being comprised of a plurality of compressed portion data, a value related to a buffer occupancy at a decoding timing of the last picture of the first video data is compared by an invalid data amount calculator 13 with the buffer occupancy at the decoding timing of the first picture of the second video data. According to a data amount corresponding to a difference between the occupancies when the result of comparison is a predetermined one, the invalid data of this data amount is added by an invalid data adder 14 to the last picture of the first video data and the second video data is connected by a video data connector 15 to the first video data.

REFERENCES:
patent: 5299019 (1994-03-01), Pack
patent: 5666161 (1997-09-01), Kohiyama
patent: 5825313 (1998-10-01), Kondo

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