Method and arrangement for recording/reproducing compressed prog

Details Method and arrangement for recording/reproducing compressed prog Method and arrangement for recording/reproducing compressed prog

1994-07-07

1996-09-10

Epps, Georgia Y.

Dynamic information storage or retrieval

Signal processing by storage and subsequent retrieval

369 58, G11B 509

Patent

active

055552293

ABSTRACT:
Pieces of leading compressed information, each of which corresponds to a predetermined number of blocks of each of a plurality of programs recorded on an optical disk, are successively read therefrom, and stored in a buffer memory in a compressed state as they are. Upon reproducing a certain program, the corresponding leading compressed information is read from the buffer memory, and reproduced after having been subjected to a decompressing process in an information-decompression processing circuit. The program is continuously reproduced by reading compressed information corresponding to the predetermined number of blocks following the leading compressed information from the optical disk and supplying the compressed information to the buffer memory. With this arrangement, it is possible to eliminate a slow switching operation in the case when programs are switched to start reproducing a different program.

REFERENCES:
patent: 5153861 (1992-10-01), Maeda et al.
patent: 5212678 (1993-05-01), Roth et al.
patent: 5220648 (1993-06-01), Sato
patent: 5224089 (1993-06-01), Matsumura et al.
patent: 5430703 (1995-07-01), Tsuji et al.
patent: 5444687 (1995-08-01), Okumura

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