Disc playback method

Details Disc playback method Disc playback method

1995-04-19

1996-09-03

Nelms, David C.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 12, 369 32, 369 47, 360 32, 360 40, 360 48, G11B 700, G11B 1100, G11B 2000

Patent

active

055530559

ABSTRACT:
A method for fast playback of a disc in a cue or review mode to reproduce therefrom audio data compressed and recorded burstly by a predetermined amount as a unit. The method comprises predetermining a unitary block of data which consists of n times (where n is a positive integer) the decodable minimum unitary amount of the compressed data; sequentially extracting, out of the informationally continuous data of plural programs on the disc, the data of the unitary block at an interval of m unitary blocks (where m is a positive integer) in the forward or reverse direction of the continuity of the data; and reproducing the sound from the extracted data. By repeating such playback operation, the audio data of the plural programs can be reproduced in the cue or review mode at a speed higher than the normal playback speed.

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