Easy-to-use and fast batch batch audio converter/extractor. Convert from DVD, AC-3, AIFF/AIFC, APE, AU, FLAC, M4A, MKA, MP3, MPA, MPC, OFR, OGG, RA/RAM, SD2, SND, TTA, WAV, WMA, or extract audio from 3GPP/3GPP2, ASF, AVI, VCD DAT, DivX, DV, IVF, MKV, QuickTime MOV, MP4, MPG (MPEG-1, MPEG-2,), OGM, RM, DVD VOB, WMV, XviD, to AIF, AVI, MKA, MP3, OGG Vorbis, WAV, or WMA. M4A output optional. Able to convert without re-encoding if possible.