from video format - AVI, MPEG, MPG, DAT, FLV (Flash Video), WMV/ASF, MOV, MP4, 3GP to audio format - MP3, WAV, AC3 using this lovely little software, Audio Extractor
from video format - AVI, MPEG, MPG, DAT, FLV (Flash Video), WMV/ASF, MOV, MP4, 3GP to audio format - MP3, WAV, AC3 using this lovely little software, Audio Extractor