3GP/3G2 Converter supports all mobile media formats.
Free audio converter with support for most commonly used audio formats.
Tool that allows you to extract audio from different video formats.

Utility with several resources for audio.
Program that extracts audio from DVDs, VCDs, SVCDs, MPEG-1 and MPEG-2 and converts them to MP3.
Audio converter that supports a wide variety of formats.