System for compensating signal interference in a PCM audio transmission
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United States of America Patent
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May 20, 1986
Grant Date -
N/A
app pub date -
Aug 16, 1984
filing date -
Aug 17, 1983
priority date (Note) -
Expired
status (Latency Note)
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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.
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