With this program, open, create, and save audio files; display a waveform window of an audio file and apply zooming; play a file or any part of it; record a new file from a microphone or another input device; visually edit an audio file with features including Cut, Copy, DeleteSilence, Paste, PasteFromFile, Mix, and MixFromFile; apply effects including Amplify, Delay, Equalizer, Fade, Flanger, Invert, Normalize, Reverse, MultiTapDelay, Silence, Stretch, Vibrato, Echo, and Chorus; apply filters to selected parts of a file (BandPassFilter, FFTFilter, HighPassFilter, HighShelfFilter, LowPassFilter, LowShelfFilter, NotchFilter); insert noise or silence; convert from one format to another; and insert and change information about audio markers (Count, Country, Dialect, Label, Language, Length, Note, Num, Position, Text).

Version 2004.3.9 features minor improvements and bug fixes.