Digital audio data reproduction apparatus

Details Digital audio data reproduction apparatus Digital audio data reproduction apparatus

1984-12-28

1988-04-05

McElheny, Jr., Donald

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

369 48, 358343, G11B 2736, H04N 594

Patent

active

047363550

ABSTRACT:
A digital audio data playback apparatus such as a digital audio disc player is configured such that a PCM encoder and associated circuits within the apparatus can be used both for playback of recording discs having only digital audio data recorded thereon and also for processing a digital audio signal output from a video disc player during playback of a video recording disc having digital audio data recorded thereon, superimposed upon frequency-modulated recorded audio and video data. This eliminates the need to provide a PCM encoder circuit within such a video recording disc player.

REFERENCES:
patent: 4393489 (1983-07-01), Mehrotra
patent: 4433347 (1984-02-01), Sugiyama et al.
patent: 4446488 (1984-05-01), Suzuki

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