Wavosaur is a free portable application for visual editing of your audio files : cut, copy, paste, mix, record, add VST effects and play your files in a easy to use interface. Thanks to the realtime VST effect support you can add : reverb, echo, dynamic processing, noise gate, limiters, enhancer, equalizer, filter, noise reducer, pitch shifter, vocoder, special FX, distorsion, spectrum analyzer, flanger, phaser, chorus, deesser, etc.