RER Audio Converter - Version 3.7.2 Convert between most known audio files: WAV, OGG, MP3, MP2, WMA, AAC, M4A and other well-known media formats according to your wish. It also allows you to extract audio tracks from all popular video files, such as AVI, MPEG, MP4, MPG, 3GP, DivX, FLV, ASF, VOB, MKV, WMV, H.264.