Cucusoft All Audio/Video to MP3/WAV Converter creates MP3 and WAV files from almost any kind of Windows media file. Media formats include AVI, MPEG, WMA, ASF, RM, RAM, RMVB, and WAV. You can convert to MP3 or WAV in batch mode. The conversion speeds are fast, converting approximately 15 minutes of video or audio to MP3 format in less than a minute. Most importantly, you can split your favorite music from long movies and save it as MP3 files. Convert AVI, MPEG, ASF, RM, RAM, RMVB, WMA, and WAV files to MP3 in batch mode.
Version 2.31 add a new feature that supports specifying any audio channel to output.