A system for recording and playing back a 12-cm diameter compact disc with a pre-grooved recordable alloy layer is reported. The system is capable of playing back conventional Cds, the read and write head being only a slight modification of that used in the conventional system and the signal processing system being the same. The block error rate and signal-to-noise ratio is sufficient. The system employs a GaA1As and can record and play back a sixty-minute digital audio program.

Authors: Nakagawa, Kenzo; Osato, Kiyoshi; Urayama, Kenichi; Yazawa, Takashi; Ihashi, Takao
Affiliation: Sony Corporation, Tokyo, Japan
AES Convention: 76 (October 1984) Paper Number: 2174
Publication Date: October 1, 1984 Import into BibTeX
Subject: Audio Media
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=11581

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