Peak accelerated compressor

Pedal volume control for electric instruments

Polarity-independent transmission system

Portable terminal device for controlling received voice...

Powered volume control for distributed audio system

Processing of an audio signal for presentation in a high...

Radio distortion processing

Remote control apparatus and a receiver and an audio system

Seatback audio controller

Self-contained active sound reproducer with switchable control u

Shaping of automatic audio crossfade

Signal compressing and transmitting apparatus

Signal compressing circuit

Signal conditioning circuit for compressing audio signals

Signal generating module

Signal processing circuit for audio apparatus

Signal processing circuit in an audio device

Signal processing device

Signal processor

Signal responsive automatic control for audio equipment