Optical disk player capable of playing back both CD-ROM and CD-D

Details Optical disk player capable of playing back both CD-ROM and CD-D Optical disk player capable of playing back both CD-ROM and CD-D

1997-08-12

2000-04-25

Dinh, Tan

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 33, G11B 1722

Patent

active

060552166

ABSTRACT:
The present invention provides a disk reproduction apparatus including a CD player and a CD-ROM decoder which reproduces PCM data at a high rate uncorrelated with an audio reproduction rate thereby to narrow a range necessary for operating the apparatus. The CD player reads information data including audio data from a disk as reproduction data and control data and demodulates the information data. The disk reproduction apparatus also includes a decoder for decoding the demodulated data, a buffer memory controlled by the decoder, a write means for writing the demodulated data to the buffer memory, and a readout means for reading the reproduction data and control data out of the buffer memory. Since the buffer memory has a relatively large capacity, a write/read operation for the audio data can be performed easily and sufficiently.

REFERENCES:
patent: 5214631 (1993-05-01), Maeda et al.
patent: 5363362 (1994-11-01), Maeda et al.
patent: 5420839 (1995-05-01), Tateishi
patent: 5870355 (1999-02-01), Fujihara

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