Audacity is an open source (cross-platform) digital auditor, recorder, and mixer. It is a sophisticated software application that comes with an extensive list of features such as:
- recording (from a microphone or mixer)
- import/export of WAV, AIFF, AU, FLAC, MP3 (via LAME encoder) Ogg Vorbis files
- advanced editing (cut, copy, paste, delete commands with unlimited Undo and Redo, multitrack mixing)
- digital effects (change the pitch, remove background noises, alter frequencies, remove vocals, create voice-overs for podcasts, etc.) and plug-ins (support for LADSPA, Nyquist, VST Audio Unit, including VAMP analysis plug-ins).