Disc playback apparatus for playback of music and digital data

Details Disc playback apparatus for playback of music and digital data Disc playback apparatus for playback of music and digital data

1988-12-22

1990-12-11

Psitos, Aristotelis M.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 50, 369 59, 360 362, 360 7804, G11B 2110

Patent

active

049775502

ABSTRACT:
Apparatus for playback from a disc on which main digital data and subsidiary digital data for selectively reproducing of the main digital data have been recorded in multiplex fashion incorporates a write clock generator for generating a write clock synchronized with a reproduced signal from the disc, a read clock generator for generating a read clock having a predetermined period, a buffer memory into which main digital data and subsidiary digital data reproduced from the disc are written and read out in response to the read clock so as to de-interleave the main digital data, and a control unit for seeking a position to be reproduced in the main digital data in response to the subsidiary digital data read out from the buffer memory. The buffer memory into which the subsidiary digital data is written may be a FIFO buffer register which is provided separately from the buffer memory into which the main digital date is written.

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