Composite signal generation and decoding in digital signal proce

Details Composite signal generation and decoding in digital signal proce Composite signal generation and decoding in digital signal proce

1992-11-23

1994-07-05

Williams, Howard L.

Coded data generation or conversion

Analog to or from digital conversion

Multiplex

381 2, 369 5, 360 20, H03M 112

Patent

active

053271327

ABSTRACT:
A digital signal processing automotive audio system uses an analog audio source providing stereo output signals. One of the stereo signals is mixed to a distinct frequency band and summed with the other stereo signal to form a composite signal which can be digitized in a single analog-to-digital converter. Separate digital stereo signals are recovered using digital signal processing.

REFERENCES:
patent: 4531232 (1985-07-01), Sakurai
patent: 4703340 (1987-10-01), Balaban et al.
patent: 4712250 (1987-12-01), Michels et al.
patent: 5124707 (1992-06-01), Stove
patent: 5227794 (1993-07-01), Whitehart
patent: 5257312 (1993-10-01), Therssen et al.
Sanyo Audio Integrated Circuits Specifications Oct. 1991.

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