Circuit arrangement for the recognition of adjacent channel inte

Circuit for automatically recognizing and receiving mono and ste

Circuit for controlling operator indicators in an AM stereo rece

Circuit for controlling separation and high-cut operation of a s

Circuit for decoding a multiplex signal in a stereo receiver

Circuit for detecting the level of noise in FM signal for use in

Circuit for improving the stereo image separation of a stereo si

Circuit for mobile radio receivers

Circuit for preventing crosstalk

Circuit for removing ignition noise from a multiplex signal

Circuit for suppression of short-lived noise-phenomena in a digi

Clock-controlled filtering arrangement

Closed-loop audio attenuator

Co-channel interference detector

Coding and decoding of audio signals by using intensity...

Coherence-based audio coding and synthesis

Coherent signal generation in digital radio receiver

Coherent signal generation in digital radio receiver

Combination head mounted speaker assembly and multi-channel audi

Combined deemphasis circuit and noise blanker