Audio processor circuit for an FM-stereo radio receiver

Details Audio processor circuit for an FM-stereo radio receiver Audio processor circuit for an FM-stereo radio receiver

1974-10-21

1976-04-20

Claffy, Kathleen H.

179 1G, H04R 504

Patent

active

039521613

ABSTRACT:
An audio processor is disclosed which includes circuitry for modifying pure left and right audio signals by blending the left audio signal with the right audio signal as a function of frequency and for rolling off the higher frequencies of the blended signal. The processor further includes circuitry for selecting complementary portions of a blended, rolled-off audio signal and a pure audio signal as a function of the RF carrier strength to improve the overall listenability of the audio.

REFERENCES:
patent: 3281533 (1966-10-01), Pflager et al.
patent: 3673342 (1972-06-01), Muller

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