Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1997-02-19
1999-07-27
Tran, Thai
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386111, 348423, H04N 592, H04N 712
Patent
active
059304510
ABSTRACT:
In an audio and video reproduction system receiving multiplexed data which comprises an audio packet comprising an audio packet header and audio packet data and comprising an audio buffer memory for storing the audio packet data as stored audio data, the audio packet has a plurality of audio rates which correspond to a plurality of rate modes. A detecting block detects a size of the audio packet data as a detected audio data size. A counting block counts the detected audio data size to produce a counted audio data size. A time indication signal generating unit generates a time indication signal by the use of reception system clocks and a time value which is predetermined in relation to the plurality of rate modes. A latching circuit latches the counted audio data size as a latched audio data size on reception of the time indication signal. A CPU decides one of the plurality of audio rates as a decided audio rate to adjust an audio reproduction time of the stored audio data in accordance with the decided audio rate.
REFERENCES:
patent: 5467139 (1995-11-01), Lankford
patent: 5565924 (1996-10-01), Haskell et al.
patent: 5657423 (1997-08-01), Benbassat et al.
patent: 5815634 (1998-09-01), Daum et al.
NEC Corporation
Tran Thai
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