Multi-channel signal transmission

Details Multi-channel signal transmission Multi-channel signal transmission

1986-03-10

1990-01-02

Clark, David L.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Hearing aid

H04B 166

Patent

active

048918407

ABSTRACT:
A system for communicating a wide band signal across a plurlaity of narrow band channels by separating the wide band signal into two or more narrower sub-bands and modulating the developed narrower sub-bands down to baseband. The baseband channels are algebraically combined to form unique combination signals, and the combination signals are transmitted over the narrowband channels. On the receiving end, the combination signals are algebraically combined to recreate the original baseband channels. The channels are modulated up to their original frequency bands, and arithmetically combined to recreate the desired broadband signal.

REFERENCES:
patent: 2941032 (1960-06-01), Geiger et al.
patent: 3116374 (1963-12-01), Franco
patent: 3684838 (1972-08-01), Kahn
patent: 3875341 (1975-04-01), Gassmann
patent: 4034160 (1977-07-01), Van Gerwen
patent: 4170719 (1979-10-01), Fujimura
patent: 4374304 (1983-02-01), Flanagan

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