Apowersoft AMV Converter Studio is the software for you to convert videos to AMV, MTV for your MP3/MP4/MTV player. You may own MP3/MP4 player which only support play AMV format, but most video file on your computer is AVI, MP4 or other video format, and the videos you download from online website like YouTube are .flv format, if you want to transfer these video to your MP3, MP4, MTV player, you need to convert these videos to AMV or MTV format, then AMV converter will help you do that.