Information recording device and information output device

Details Information recording device and information output device Information recording device and information output device

1996-10-17

1999-01-12

Chevalier, Robert

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 46, H04N 591, H04N 700

Patent

active

058599509

ABSTRACT:
An MPU 1 decomposes video-audio information which is externally inputted and stored into a second temporary storage area 32 for each parameter included in a sequence layer and the like, and further into video information and audio information, and stores the information into a third temporary storage area 33. Next, the MPU 1 extracts a predetermined quality deterioration parameter from the parameters stored in the third temporary storage area 33 and stores a prescribed value in the storage area in which that quality deteriaration parameter was stored. The MPU 1 then composes the video-audio information stored in the third temporary storage area 33 again and stores the composed video-audio information (quality deteriorated) into a fourth temporary storage area 34. Next, the MPU 1 outputs the video-audio information (quality deteriorated) stored in the fourth temporary storage area 34 to a first recording device 4 and causes the first recording device 4 to write the video-audio information (quality deteriorated) on a copy target recording medium 4. Thus the size of the display screen of the video-audio information (quality deteriorated) differs from that of the video-audio information externally inputted.

REFERENCES:
patent: 4644422 (1987-02-01), Bedini
patent: 5627655 (1997-05-01), Okamoto et al.

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