4Easysoft Video to Audio Converter
Extract audio from video, and convert audio to any other audio formats.
4Videosoft Video to Audio Converter
it can convert between all the audio formats as the powerful audio converter.
Audio Extractor for Free
it is a brand-new tool to extract digital audio from a variety of video files.
4Easysoft Free Flash Converter
Convert lots of video formats to SWF/FLV, and support AVI/WMV/MP4/3GP, etc.