Recording and reproducing apparatus

Details Recording and reproducing apparatus Recording and reproducing apparatus

1994-06-07

1997-04-29

Tran, Thai Q.

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

358343, 360 142, 360 27, 386 57, 386 93, 386 95, 386 96, H04N 576, G11B 2702, G11B 502

Patent

active

056254610

ABSTRACT:
A recording and reproducing apparatus is capable of editing video signals and audio signals recording additional information data for controlling the reproduction output level. The recording side includes an additional information data generating circuit, a time division multiplexing circuit for time-division multiplexing a video signal data and audio signal data and the additional information data, and a recording head. In independent areas on a recording medium, the video signal data, audio signal data and additional information data are individually recorded. The reproduction side includes a reproduction head, a data separation circuit for separating the video, audio and additional information, an additional information data detecting circuit for producing output level data, and a circuit for controlling the levels of the reproduced video and audio signals depending on the output level data.

REFERENCES:
patent: 4459613 (1984-07-01), Faroudja
patent: 4480273 (1984-10-01), Fujiki et al.
patent: 4700239 (1987-10-01), Yoshinaka et al.
patent: 4752832 (1988-06-01), Higurashi
patent: 5132807 (1992-07-01), Takimoto et al.
patent: 5173813 (1992-12-01), Haikawa et al.
Sony, basic video recording course, booklet 4, pp. 1-11, 1979.

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