To extract a song or episode from a movie, you can have Xilisoft Video to Audio Converter to assist you. The professional video to audio converter can easily convert AVI video to MP3 as AVI to MP3 converter, convert WMV to MP3 as WMV to MP3 converter. With it, you can easily get MP3, WMA, WAV, RA, M4A, AAC, AC3, OGG or Sun AU audio from video AVI, MPEG, WMV, DivX, MP4, H.264/MPEG-4 AVC, RM, MOV, etc.