Variable bandwidth multivoice demodulating circuit

Details Variable bandwidth multivoice demodulating circuit Variable bandwidth multivoice demodulating circuit

1986-06-20

1988-08-02

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

358144, 381 98, H04H 500

Patent

active

047618140

ABSTRACT:
A multivoice demodulator circuit in which a sub-signal is separated from the main signal. The sub-signal may have different content and characteristic dependent upon the reception mode of the original signal. The sub-signal is given different frequency characteristics dependent upon the reception mode.

REFERENCES:
patent: 3980832 (1976-09-01), Nakamura et al.
patent: 3991374 (1976-11-01), Csicsatica et al.
patent: 4032717 (1977-06-01), Mallon
patent: 4208547 (1980-06-01), Simeau
patent: 4356510 (1982-10-01), Nakayama
patent: 4379207 (1983-04-01), Kubota
patent: 4602380 (1986-07-01), Stebbing

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