Easy to use and fast batch audio conversion. Convert/transcode audio from MPEG, MP3, WMA, WAV, AIFF, Unix Audio, OGG Vorbis, AC-3, or extract audio from AVI, WMV, MPEG-1, MPEG-2, VCD, DVD or QT/MOV(QuickTime) videos, to MP3, WMA, WAV, or audio-only AVI format. Users can choose codec, sample rate, channel, and/or bitrate settings. Easy to use batch processing. Extremely fast and reliable. No Adware or spyware. DX8 and WMF 9 runtime required.