If you want to extract the audio from a video file then here is a free tool which could help you to do that very easily. Free Video to Audio Converter is completely a free tool which extracts the audio from a video. After extraction of an audio it saves the file according to the suitable audio format. So, that means Free Video to Audio Converter works as an extractor and converter.
Free Video to Audio Converter gives high conversion speed and produce quality output. This tool works for Windows users.

Extract audio for videos formats listed below:

Video Input Formats: AVI, 3GP, GIF, MPEG, WMV, MP4, DV, MOV, M4V, VOB (the video format used in DVD), SWF, NUT, RM, APE, CUE, 3G2, MP2, MP3, RA, WMA, WAV, M4A, AAC, OGG and CDA.

Audio Output Formats: WMV, MP2, MP3, WMA, WAV, M4A, AAC, AC3, OGG and AU.

Download Free Video to Audio Converter