Dynamic magnetic information storage or retrieval – General processing of a digital signal – Redundant or complimentary tracks
Patent
1984-08-16
1986-05-20
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
General processing of a digital signal
Redundant or complimentary tracks
G11B 509
Patent
active
045905312
ABSTRACT:
A pulse code modulated audio signal transmission system which compensates for signal interference in the pulse code modulated audio signal. The system includes a first device for receiving an audio signal and for converting the audio signal into a pulse code modulated audio signal, and a second device for receiving the audio signal and for producing an auxiliary signal corresponding to the audio signal but having a smaller bandwidth than the audio signal. A transmission circuit is connected to the first and second devices for receiving the pulse code modulated audio signal and the auxiliary signal and for producing an output signal which comprises the audio signal with portions of the audio signal which contain interference being substituted with corresponding portions of the auxiliary signal.
REFERENCES:
patent: 3761903 (1973-09-01), Bird et al.
patent: 3883891 (1975-05-01), Thompson et al.
patent: 4202018 (1980-05-01), Stockham, Jr.
patent: 4328580 (1982-05-01), Stockham et al.
Oberjatzas Gunter
Platte Hans-Joachim
Schroder Ernst
Voessing Walter
Canney Vincent P.
Telefunken Fernseh und Rundfunk GmbH
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