DAFX Studio is a professional audio enhancing studio for winamp and other soft-wares which support winamp DSP plugin. So far, it includes five main classes of audio processing modules:  "Audio Restoration", which has three parts, "DeClick", "DeHiss" and "DeNoise".  "Graphic Equalizer (GEQ)", which consists of many professional multi-bands Graphic Equalizers.  "Spatial Audio", which consists of DeVocal (Karaoke effect), Model-Reverberation and Virtual 3D.  "Tempo / Pitch modification", which consists of Tempo Scaler, Pitch Scaler and Resampler.  "Distortion effects", which consists of Vibrato and Whisper.
See also: Enhancer, Restoration, mp3, dsp, DAFX, Graphic EQ, DeNoise, DeHiss, DeClick, Karaoke, DeVocal, Resampler, Reverberation, Virtual 3D, Pitch, Tempo