FM Channel separation adjustment

Details FM Channel separation adjustment FM Channel separation adjustment

1988-12-15

1990-09-25

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

H04H 500

Patent

active

049598597

ABSTRACT:
An attenuator in the composite L-R signal path used for dynamic signal control for blend purposes is limited in range by a static separation adjust signal which attenuates the maximum L-R signal to a value selected for the best right and left channel separation upon matrixing of the L+R and L-R signals. The gain of the L-R signal path is set greater than the L+R path so that a wide adjustment range is available to the separation adjustment circuit.

REFERENCES:
patent: 4063042 (1977-12-01), Mallon
patent: 4748669 (1988-05-01), Klayman
patent: 4841572 (1989-06-01), Klayman
Stark, "A Continuously Variable Stereo Dimension Control".

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