Recording and/or reproducing device and its method

Details Recording and/or reproducing device and its method Recording and/or reproducing device and its method

1997-08-25

2000-03-14

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 82, 360 48, H04N 591

Patent

active

060383704

ABSTRACT:
A recording and/or reproducing device and its method capable of alleviating the noise generated in the audio-output at the time of the variable speed reproduction mode. At the time of recording, a series of audio data is recorded on a tape recording medium, in units of plural data blocks respectively for each first unit, and an identification code for each first unit is added whereto; on the other hand, at the time of reproduction, the identification codes of the reproduced data blocks are sequentially detected, the most frequent identification code are inferred for each stated period from the result of the detection, and, when the identification code of the data block is other than the most frequent identification code, the identification code of the immediately preceding data block is held and sent out, and the stated interpolation process is performed when the output transfers to the succeeding audio data of the data block of the most frequent identification code.

REFERENCES:
patent: 5687275 (1997-11-01), Lane et al.
patent: 5774289 (1998-06-01), Seki
patent: 5960148 (1999-09-01), Miyazawa

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