RER Video to MP3 is a powerful and efficient tool.It is very useful for those people who want to extrat audio from video files or convert RM to MP3/WAV format.the key features of this tool include: Extract audio from video files;Split a part of video file to audio file;Supports AVI(DivX, XviD, MPEG4...) formats;Supports MPEG I/II, VCD(.dat), DVD(.vob) formats;Supports WMV, ASF formats;Supports RM, RMVB formats;Supports MOV, QT formats;Supports RM, MP3, WMA, OGG, etc audio formats;All supported formats to MP3;All supported formats to WAV;All supported formats to WMA;All supported formats to OGG;Support large video file, even larger than 2GB;Very fast and without any quality loss;Very User-friendly interface.