Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1997-06-30
1999-11-09
Tran, Thai
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386124, H04N 593, G11B 2700
Patent
active
059829761
ABSTRACT:
A digital video signal processing apparatus to record or reproduce a video signal is provided in which a specific video signal is transformed by a user. The digital video signal processing apparatus includes a signal detector for detecting the level value of a specific signal selected from video data received, when a specific video detecting signal is applied, and outputting the video data and a region signal for indicating a detected region, a signal manipulator for transforming the level value of a signal in a region detected by the signal detector into the level value of a predetermined signal depending on a signal manipulation control signal, a data compressor for compressing digital video data including a specific signal transformed by the signal manipulator, a parity adder for adding a parity to the video data compressed by the data compressor, a modulator for modulating the video data, to which the parity has been added by the parity adder, and specific signal transformation control information data and recording the modulated data onto a recording medium, and a controller for applying the specific video detecting signal to the signal detector, applying the signal manipulation control signal to the signal manipulator, and applying the specific signal transformation control information data to the modulator. When a video signal is recorded or reproduced, all but a specific color desired by a user can be black or white processed, or a specific color desired by a user can be changed into another color.
REFERENCES:
patent: 4864500 (1989-09-01), Ichihara
patent: 5287187 (1994-02-01), Sato et al.
patent: 5638133 (1997-06-01), Squier et al.
Patent Abstracts of Japan vol. 15, No. 130 (E-1051), Mar. 29, 1991 & JP A 3-13078 (Toshiba), *Abstract.
Onuaku Christopher
Samsung Electronics Co,. Ltd.
Tran Thai
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