Audacity (Audio & Multimedia - Audio File Recorders)

Audacity is a free, easy-to-use audio editor and recorder for Windows, Mac OS X and Linux. Use Audacity to create podcasts; record audio up to 24-bit 96kHz; convert tapes and records to MP3 or CD; edit OGG, MP3 and WAV files; cut, copy, splice, and mix sounds together, change the speed or pitch of a recording. Import sound files, edit them, and combine them with other files or new recordings. Export recordings in several common formats.