Download Audacity 2.0.3 - Latest Version

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:
Audacity can record multiple channels simultaneously at high sample rates from microphones, USB or Firewire devices. Sound editing can be performed via basic Cut/Copy/Paste/Delete operations. Mixing can be achieved from multiple clips, while the Draw feature allows altering individual sample points. 
Features:
Record live audio.Convert tapes and records into digital recordings or CDs.Edit Ogg Vorbis, MP3, WAV or AIFF sound files.Cut, copy, splice or mix sounds together.Change the speed or pitch of a recording.Add new effects with LADSPA plug-ins.And more!