Audacity® is free, open source, cross-platform software for recording and editing sounds. It is available for Windows®, Mac®, GNU/Linux® and other operating systems. You can use Audacity to:
· Record live audio.
· Convert tapes and records into digital recordings or CDs.
· Edit WAV, AIFF, FLAC, MP2, MP3 or Ogg Vorbis sound files.
· Cut, copy, splice or mix sounds together.
· Change the speed or pitch of a recording.
· And more! See the complete list of features.
For more information, please refer to its official websie: