Device for storing video data

Details Device for storing video data Device for storing video data

1996-08-29

2000-02-29

Le, Vu

Television

Bandwidth reduction system

Data rate reduction

348400, 386111, H04N 730, H04N 732

Patent

active

060315741

ABSTRACT:
To reduce the data in a video-server (SER), a compression of the video data of a video film is performed by coding according to the interframe method (K1). In addition, the video data of predetermined individual video pictures are coded according to the intraframe method (K2), and are stored (MEMO) as entry points parallel to the corresponding interframe-coded video data. When the video film is transmitted, only the interframe-coded video data are transmitted. In response to a request for fast forward or fast backward mode only, the video data of the entry point are transmitted intraframe-coded, and all subsequent video pictures are transmitted interframe-coded.

REFERENCES:
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patent: 5345268 (1994-09-01), Matsuta et al.
patent: 5371532 (1994-12-01), Gelman et al.
patent: 5371602 (1994-12-01), Tsuboi et al.
patent: 5521630 (1996-05-01), Chen et al.
patent: 5720037 (1998-02-01), Biliris et al.
patent: 5867625 (1999-02-01), McLaren
"Audio- und Videodaten-kompression mit MPEG2", R. Grigat et al, Funkschau Mar. 1995, pp. 26-33.

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