Altdo Video to AMR MP3 AAC Converter is a powerful multi-format conversion tool for audio with high speed and without movie quality loss. It can convert .3gp, .avi, .asf, .mov, .wmv, . mp4, .m4v, .mpeg, .mpg to amr, mp3, aac format. You can enjoy your favorite movie on your Mp3 player, or mobile phone. It is faster than other audio converter software, and just a few clicks is enough. It is designed for anyone who wants to watch multi-format movies on Mp3 player, mobile phone.