Audio fidelity frequency equalizer system
Audio frequency signalling systems for telephone systems
Audio playback systems
Audio power amplifier and a pre-amplifier thereof
Audio signal compression and expansion system
Audio signal processing circuit
Audio signal processor
Auto gain controller
Automatic crossover distortion correction circuit
Automatic dynamic compander system
Automatic gain control
Automatic gain control amplifier
Automatic gain control circuit
Automatic gain control circuit
Automatic gain control circuit and method
Automatic gain control circuit and system for using same
Automatic gain control circuit arrangements having a plurality o
Automatic gain control circuit with high linearity and...
Automatic level control
Automatic level control circuit