Audacity is a free, easy-to-use and multilingual 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, WAV or AIFF sound files.
- Cut, copy, splice or mix sounds together.
- Change the speed or pitch of a recording.
Quick link Download audacity software
How to download and Install
How to make your first Podcast
To save in MP3 format you will need to install the lame plugin
this video will show how this is done.