AVOne MP3 Ringtone Converter

Convert many kinds of windows media files to mmf amr or mp3 in batch mode and high speed. From including RM RAM RMVB avi mpeg wma asf and wave format. Convert rm to mp3, ram to mp3, rmvb to mp3, avi to mp3, mpeg to mp3, asf to mp3, wma to mp3 and wave to mp3, and mmf, amr-nb, amr-wb, amr-wb+.