AUAU All Media to MP3 AMR M4A Converter provides an easy and completed way to convert between all popular video and audio formats. It can convert all media such as AVI, WMV, MPEG, MP4, ASF, VOB, 3GP, MP3, AAC, AC3, AMR, M4A, OGG to MP3, AAC, AC3, AMR, M4A, OGG audio formats, and also supports converting between all popular video files such as AVI, WMV, MPEG, MP4, ASF, VOB, 3GP etc. It owns all the functions of AUAU video series and AUAU audio series. You will get any output formats you want with excellent quality.