Video image and audio sound signal processor having signal multi

Details Video image and audio sound signal processor having signal multi Video image and audio sound signal processor having signal multi

1996-04-10

1998-06-30

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386101, 386 39, 348432, H04N 576, H04N 5225, H04N 592

Patent

active

057746230

ABSTRACT:
A video image and audio sound signal processor having a signal multiplexer and a single data compression system for a video image recording and playback apparatus. An audio sound signal is sampled in accordance with a timing signal in synchronism with a horizontal synchronizing signal of a video image signal, and such a sampled audio sound signal is then multiplexed onto an end of the video image signal, which is then converted into a digital signal by a single A/D (analog to digital) converter. Such a multiplexed digital signal containing video image data and audio sound data is then sent to a data converter wherein raster data are converted into a plurality of data blocks, each of such data blocks including a plurality of picture elements in both horizontal and vertical directions. And then, the data blocks are sent to a single compression device.

REFERENCES:
patent: 4816926 (1989-03-01), Moriwaki et al.
patent: 5081538 (1992-01-01), Takei et al.
patent: 5418853 (1995-05-01), Konota et al.
patent: 5479299 (1995-12-01), Matsumi et al.
patent: 5497194 (1996-03-01), Sakagami et al.

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