Circuit for electronic speech synthesis

Circuit for eliminating noise

Circuit for eliminating noise of audio signal

Circuit for eliminating pop sounds at power on and off by a...

Circuit for improving the stereo image separation of a stereo si

Circuit for mobile radio receivers

Circuit for muting noises for an audio amplifier

Circuit for preventing crosstalk

Circuit for priority selection of audio signals

Circuit for providing visual indication of feedback

Circuit for recognizing oscillations in a useful signal due to f

Circuit for reducing audio amplifier noise during powering on an

Circuit for removing ignition noise from a multiplex signal

Circuit for storing a speech signal in a digital speech memory

Circuit for suppressing amplitude peaks caused by stop consonant

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

Circuit for use in programmable hearing aids

Circuit system for switching loudspeakers

Circuit to compensate for deficit of output characteristics of a

Circuit to improve transducer separation in handsfree telephone