Electrical audio signal processing systems and devices – Binaural and stereophonic – Broadcast or multiplex stereo
Patent
1982-07-16
1984-08-14
Pellinen, A. D.
Electrical audio signal processing systems and devices
Binaural and stereophonic
Broadcast or multiplex stereo
381 28, 381 94, H04H 500
Patent
active
044661169
ABSTRACT:
A circuit for processing an angle modulated signal having amplitude modulation signal components in stereophonic broadcasting systems. An inverse modulation of a signal to be detected is provided over a first signal amplitude range, and a constant signal level is provided over a remaining range for signals having a marginal amplitude level. The discontinuity in the control range avoids noise expansion for high negative amplitude modulator levels for the signal to be angle modulated.
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patent: 4170716 (1979-10-01), Hilbert et al.
patent: 4302626 (1981-11-01), Streeter
patent: 4340782 (1982-07-01), Weigand et al.
patent: 4373115 (1983-02-01), Kahn
Comments of Magnavox Consumer Electronics Company to FCC re Docket No. 21313, Feb. 9, 1981, pp. IV-21 to IV-23.
Reply Comments of Magnavox Consumer Electronics Company to FCC re Docket No. 21313, Mar. 1981, pp. 3-9.
Magnavox Consumer Electronics Company
Pellinen A. D.
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