Stereo blend controller for FM receivers

Details Stereo blend controller for FM receivers Stereo blend controller for FM receivers

1990-12-17

1992-05-12

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

381 13, H04H 500

Patent

active

051134462

ABSTRACT:
The stereo separation provided by a radio receiver is controlled in dependence on the radio frequency environment at the receiver antenna. The blend curve for determining stereo separation in dependence on the field intensity of a received signal is dynamically shifted to maintain the average magnitude of a blend control signal at a predetermined magnitude if the field intensity is above a threshold. Otherwise the blend control signal follows a lower limit blend curve of predetermined shape.

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patent: 4914715 (1990-04-01), Miyata
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