audacity: audacity (cross-platform sound editor)
audacity: 
audacity: Audacity is a free, easy-to-use audio editor and recorder, which can
audacity: be used to:
audacity:     * Record live audio.
audacity:     * Convert tapes and records into digital recordings or CDs.
audacity:     * Edit Ogg Vorbis, MP3, WAV or AIFF sound files.
audacity:     * Cut, copy, splice or mix sounds together.
audacity:     * Change the speed or pitch of a recording.
audacity:     * And more! See the complete list of features
audacity:       (http://audacity.sourceforge.net/about/features)