Voltage-to-current transconductance operational amplifier with adaptive biasing

Audio processing apparatus, audio processing method, and program

Enhancing audio content for voice isolation and biometric identification by adjusting high frequency attack and release times

Systems and methods of configuring a filter having at least two frequency response configurations

Systems and methods for speech processing comprising adjustment of high frequency attack and release times

Device and method for reproducing an audio signal

Systems and methods for speech processing via a GUI for adjusting attack and release times

Method and apparatus for automatically adjusting the bandwidth of an electronic amplifier

Automatic volume control for audio signals

Pre and post filter automatic gain control with bounded pre-filter gain control

Method and system for determining a gain reduction parameter level for loudspeaker equalization

FILTER CIRCUIT

Audio signal frequency range boost circuits

Feedback cancellation in a sound system

Automatic volume control for audio signals

Microphone-tailored equalizing system

Infra bass

Method and device for amplifying a reception signal

Bass boost circuit and bass boost processing program

Acoustic signal processor

Equalizing circuit amplifying bass range signal

Dynamic bass boost apparatus and method