"River Past Audio Converter is an easy-to-use, fast, and powerful audio conversion and extractor software."

River Past Audio Converter converts from audio and extract audio from video to WAV, MP3, WMA (Windows Media Audio), OGG Vorbis, or audio-only AVI files.

River Past Audio Converter can convert from Dolby Digital AC-3, AIFF/AIFC, Monkey audio APE, AU, Free Lossless Audio Codec FLAC, MP3, MPEG-4 Audio, MPA, MPC (MusePack/MPEG Plus), OFR (OptimFROG), OGG Vorbis, RealAudio RA/RAM, SD2, SND, TTA (The True Audio encoder), WAV and WMA. River Past Audio Converter can also extract audio from 3GPP/3GPP2, ASF, AVI, VCD DAT, DivX, DV, IVF, Matroska MKV, QuickTime MOV, MP4 (MPEG-4), MPG (MPEG-1 and MPEG-2), RealMedia RM, OGG Media OGM, DVD VOB, WMV and XviD.

You have the full control over the codec, sample rate, channel, bits per sample, and bitrate settings. For WMA output, you can also choose from a list of Windows Media profiles. Easy to use batch processing. Extremely fast and reliable.

With the upcoming River Past MPEG-4 Booster Pack, you can convert audio to MP4 AAC audio.

No Adware or spyware. DX8 and Windows Media Format 9 runtime required.

River Past Audio Converter supports a wide range of input audio file formats:
- Dolby Digital (*.ac3);
- MacOS AIFF (*.aif, *.aifc, *.aiff);
- Sun Microsystem and NeXT audio (*.au, *.snd);
- MPEG Layer-3 audio (*.mp3);
- MPEG Audio (*.mpa);
- OGG Vorbis (*.ogg);
- RealAudio (*.ra, *ram);
- Sound Designer 2 (*.sd2);
- Audio for Windows (*.wav);
- Windows Media Audio (*.wma).

River Past Audio Converter can extract audio from the following video formats:
- 3GPP/3GPP2 Mobile Phone Video (*.3gp, *.3g2);
- Audio Visual Interface (*.avi);
- VCD Media File (*.dat);
- DivX Video (*.divx);
- Digital Video (*.dv);
- Intel Video Technology (*.ivt);
- Matroska(*.mkv);
- Apple QuickTime (*.mov, *.qt);
- MPEG-4 (*.mp4);
- MPEG-1 and MPEG-2 Video (*.mpeg, *.mpg, *.mp1, *.mp2);
- OGG Media(*.ogm);
- RealMedia (*.rm);
- DVD Media File (*.vob);
- Windows Media Video (*.wmv);
- Xvid Video (*.xvid).

River Past Audio Converter supports the following output formats:
- AVI (Audio Only);
- MP3 (MPEG Layer-3);
- OGG (OGG Vorbis);
- WAV;
- WMA (Windows Media Audio).

See also:

Digital Media Converter – high quality conversions between all popular media formats like MPEG, AVI, DivX, WMV, WMA, MP3, WAV, etc.

converter, convert, extract, rip, audio, from, to, 3GPP, 3GPP2, AC-3, AC3, AIFF, AIFC, ASF, AU, VCD, DAT, DivX, DV, MP3, MP4, MPA, MPG, MPEG, OGG, Vorbis, SD2, Sound Designer, SND, WAV, WMA, Windows Media Audio, 3GPP, 3GPP2, AVI, DAT, VCD, DivX, IVF