About Audacity :
Audacity is a free, easy-to-use audio editor and recorder for Windows, Mac OS X, GNU/Linux, and other operating systems. Audacity can record live audio through a microphone or mixer, or digitize recordings from cassette tapes, vinyl records, or minidiscs. With some sound cards, it can also capture streaming audio.
Audacity Features
- Record live audio.
- Edit Ogg Vorbis, MP3, and WAV sound files.
- Record from microphone, line input, or other sources.
- Change the pitch without altering the tempo, or vice-versa.
- Record and edit 16-bit, 24-bit, and 32-bit (floating point) samples.
- Add new effects with LADSPA plugins.