Demodulator

Details Demodulator Demodulator

1994-11-22

1996-10-01

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

381 16, 455324, 455337, 329347, 329348, H04H 500

Patent

active

055617166

ABSTRACT:
In a demodulator for a stereo signal transmitted by amplitude and phase modulation of a carrier, a phase signal and a quantity signal are formed. By multiplication of the quantity signal with the tangent of the phase signal reduced by a value to be preset, a difference signal is formed. The value to be preset is generated in such a way as to minimize the direct portion of the difference signal.

REFERENCES:
patent: 4172966 (1979-10-01), Parker et al.
patent: 4184046 (1980-01-01), Parker
patent: 4185171 (1980-01-01), Parker
patent: 4278839 (1981-07-01), Marik
patent: 4426728 (1984-01-01), Kahn
patent: 4872207 (1989-10-01), Ecklund
patent: 5239699 (1993-08-01), Ecklund

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