Differential audio amplification system
Differential line receiver with common-mode AC bootstrapping
Digital loudspeaker
Digital switching power amplifier
Distortion compensation
Electronic apparatus having audio output units
Electronic apparatus having audio output units
Foreground music system using current amplification
Frequency threshold audio activity detector
Guitar amplifier with channel-dedicated power switching
Half-voltage headphone driver circuit
Headphone amplifier
Hearing aid amplifier circuitry
Impedance adapter preamplifier device for electronic tube...
Interchangeable amplifier device
Laser audio preamplifier, volume control, and multiplexer
Method and apparatus for automatic gain control using a linear l
Method and apparatus for boosting an audible signal in a...
Method and apparatus for boosting an audible signal in a...
Method and apparatus for controlling a selectable voltage...