Digital audio signal processing apparatus

Digital graphic equalizer

Digital graphic equalizer control system and method

Digital self-adapting graphic equalizer and method

Digital signal processing acoustic speaker system

Digital signal processing device and audio apparatus using the s

Dynamic bass equalization with modified sallen-key high pass...

Dynamic equalization method and device

Equalizer and audio device using the same

Equalizer apparatus having two dimensional display

Equalizer networks and methods of developing scaling coefficient

Equalizing circuit amplifying bass range signal

Equalizing circuit for a loudspeaker system

Frequency control system in an audio device

Howling detection and prevention circuit and a loudspeaker...

Indoor communication system for a vehicular cabin

Linearized filter band equipment and processes

Method and apparatus for adaptively pre-shaping audio signal...

Method and apparatus for digital filtering of audio signals

Method and apparatus for leveling and equalizing the audio...