Download Audacity- Audacity is a free, easy-to-use audio editor and recorder for Windows, Mac OS X, GNU/Linux, and
other operating systems. You can use Audacity to:
Record live audio.
Convert tapes and records into digital recordings or CDs.
Edit Ogg Vorbis, MP3, and WAV sound files.
Cut, copy, splice, and mix sounds together.
- Change the speed or pitch of a recording.