A123 Mobile Ringtone Converter is a powerful mobile ring creator from almost all kinds of Audio and Video media file, including AVI, WMV, MPEG, MP4, ASF, VOB, 3GP, iPhone, MOV, FLV video and MP3, AAC, AC3, AMR, M4A, OGG, WAV audio format. You can convert to MP3, AAC, AC3, AMR, M4A, OGG and WAV audio in batch mode. The most important is you can split your favorite music from long movie and save it as your mobile ring.