Free Video to Audio Converter Factory converts most video formats to popular audio formats. With the Video to Audio Converter Factory, you can easily get MP3, WMA, WAV, M4A, AAC, AC3, OGG audio from video AVI, MPEG, WMV, MP4, etc. It supports batch conversion, thus you can process multi-conversion at the same time and set many output audio formats for one video to convert. The Video to Audio Converter Factory provide fast speed and high quality,and it is easy to use. Friendly interface and totally free make you feel good. At the same time, capture pictures is good choice for you. Allow you to run the video to audio converter in background to promote computer's performance and set after done action for more convenience.