Method of reproducing high-speed audio data by a CD-ROM player

Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium

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369 47, 369 59, G11B 700

Patent

active

054208394

ABSTRACT:
A method of performing a reproduction of a high-speed audio data in a CD-ROM player comprises the steps of; reading EFM demodulated data from the disk at a high speed, writing the thus read data one after the other into a CD-ROM data storage as an input buffer of an audio signal processing section, reading out the written data at the same frequency as the sampling frequency thereof, transmitting the data read out from the CD-ROM data storage sequentially to the audio signal processing section, stopping the EFM demodulated data writing operation to the CD-ROM data storage when the address for writing the data is on the verge of exceeding the address which is not read out yet, simultaneously jumping the optical disk back for a certain pitch corresponding to a predetermined number of tracks to read in again, and resuming the data writing operation from the point where the data writing was previously stopped when a predetermined number of vacant addresses is made in the CD-ROM data storage by the above data reading operation which has been advanced during the period the data writing operation was stopped.

REFERENCES:
patent: 5105402 (1992-04-01), Ishii et al.
patent: 5218450 (1993-06-01), Nagai et al.
patent: 5220545 (1993-06-01), Tomimitsu
patent: 5220551 (1993-06-01), Tataishi et al.
patent: 5222054 (1993-06-01), Muraoka et al.
patent: 5224081 (1993-06-01), Muraoka et al.

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