River Past Audio Converter converts from audio and extract audio from video to WAV, MP3, WMA (Windows Media Audio) or audio-only AVI files.River Past Audio Converter is a software that allows you to convert audio files.

River Past Audio Converter can convert from Dolby Digital AC-3, AIFF/AIFC, AU, MP3, MPA, OGG, RealAudio RA/RAM, SD2, SND, WAV and WMA.

River Past Audio Converter can also extract audio from 3GPP/3GPP2, ASF, AVI, VCD DAT, DivX, DV, IVF, QuickTime MOV, MP4 (MPEG-4), MPG (MPEG-1 and MPEG-2), RealMedia RM, DVD VOB, WMV and XviD.

The extract format conversion supported:
￭ AC3 to MP3, AC3 to WAV, AC3 to WMA
￭ AIF to MP3, AIF to WAV, AIF to WMA
￭ AIFF to MP3, AIFF to WAV, AIFF to WMA
￭ AIFC to MP3, AIFC to WAV, AIFC to WMA
￭ AU to MP3, AU to WAV, AU to WMA
￭ MP3 to MP3, MP3 to WAV, MP3 to WMA
￭ MPA to MP3, MPA to WAV, MPA to WMA
￭ OGG to MP3, OGG to WAV, OGG to WMA
￭ RA to MP3, RA to WAV, RA to WMA
￭ SND to MP3, SND to WAV, SND to WMA
￭ WAV to MP3, WAV to WAV, WAV to WMA
￭ WMA to MP3, WMA to WAV, WMA to WMA
￭ 3GPP to MP3, 3GPP to WAV, 3GPP to WMA
￭ AVI to MP3, AVI to WAV, AVI to WMA
￭ DAT to MP3, DAT to WAV, DAT to WMA
￭ DivX to MP3, DivX to WAV, DivX to WMA
￭ DV to MP3, DV to WAV, DV to WMA
￭ IVF to MP3, IVF to WAV, IVF to WMA
￭ MOV to MP3, MOV to WAV, MOV to WMA
￭ MP4 to MP3, MP4 to WAV, MP4 to WMA
￭ MPG to MP3, MPG to WAV, MPG to WMA
￭ MPEG-1 to MP3, MPEG-1 to WAV, MPEG-1 to WMA
￭ MPEG-2 to MP3, MPEG-2 to WAV, MPEG-2 to WMA
￭ RM to MP3, RM to WAV, RM to WMA
￭ VOB to MP3, VOB to WAV, VOB to WMA
￭ WMV to MP3, WMV to WAV, WMV to WMA
￭ XVID to MP3, XVID to WAV, XVID to WMA
￭ VCD to MP3, VCD to WAV, VCD to WMA

For WAV/MP3 output, you have the full control over the codec, sample rate, channel, bits per sample, and bitrate settings. For WMA output, you can choose from a list of Windows Media profiles. Easy to use batch processing. Extremely fast and reliable. 

Here are some key features of "River Past Audio Converter":

Codec Control:
· With WAV, MP3, and audio-only AVI output, you have the full control over sample rate, channel, resolution (8-bit or 16-bit), and bitrate.
· With WMA output, you have the choice of many pre-defined profiles, targeted at different usages.

Batch Conversion:
· River Past Audio Converter is a batch converter. You can add a list of files, set the output format, and let it run. A well organized progress dialog will predict how long it takes to convert all the files, so you can do something else and come back when it finishes.

Requirements:

· River Past Audio Converter is tested to run on any PC with a Pentium III/Celeron CPU of 500 MHz or above. A sound card is required.
· DirectX 8.0 or above. We strongly recommend that you always use the latest the latest DX (currently 9.0b) because it provides better stability and performance.
· WMF - For WMA output, you must have Windows Media Format runtime 9 installed. We provide it in a separate download package.
· OGG filters - For OGG Vorbis output, you must have Tobias' OGG Vorbis DirectShow filters installed.

Limitations:

· Unregistered version limits conversion to 2 minutes for each file

What's New in This Release: [ read full changelog ]

· [New]Support MPEG-4 iTunes tags.