River Past Audio Converter - Version 7.7.11 River Past Audio Converter is an easy-to-use, fast, and powerful batch audio conversion and extractor software.It outputs AIF, AVI, MKA (Matroska Audio), MP3, OGG Vorbis, WAV or WMA.With River Past MPEG-4 Booster Pack installed, you can output to M4A (MPEG-4 AAC audio), the format used by iTune and iPod.With MPEG-2 Booster Pack, you can convert to MPEG Audio layer-2.It can convert from Dolby Digital AC-3, Apple AIF (AIFF/AIFC), Monkey audio APE, Unix AU, FLAC (Free Lossless Audio Codec), MP3 (MPEG Layer-3), M4A (MPEG-4 Audio), MKA (Matroska Audio), MPA (MPEG-1 Audio), MPC (MusePack/MPEG Plus), OFR (OptimFROG), OGG Vorbis, RealAudio RA/RAM, SD2 (Sound Designer 2), SND, TTA (The True Audio encoder), WAV and WMA (Windows Media Audio). It can also extract audio from mobile phone 3G