Equalizer and audio device using the same

Equalizer and audio device using the same

Equalizer and audio device using the same

Equalizer apparatus having two dimensional display

Equalizer networks and methods of developing scaling coefficient

Equalizer with adjustable band filters and a digital filter suit

Equalizing circuit amplifying bass range signal

Equalizing circuit for a loudspeaker system

Filter circuit and audio signal processor provided therewith

Filtering audio signals from a combined microphone/speaker earpi

Fixed bandpass tone controlling

Frequency bandwidth dependent exponential release for dynamic fi

Frequency control system in an audio device

Gain and equalization system and method

Gain controller

Graphic equalizer with spectrum analyzer and system thereof

Guitar preamlifier system with controllable distortion

High efficiency encoding device and a noise spectrum modifying d

Howling detection and prevention circuit and a loudspeaker...

Indoor communication system for a vehicular cabin