Joy RingTone changer is a strong polyphonic Audio to RingTone changer with extended options. It can DIRECTLY change mp3, WAVE files and CD tracks to the most common Ringtone format(MMF, AMR, mp3, MIDI, WIDI, WAV, AAC, MP4) in several seconds. The contained CD Ripper extracts digital audio CD tracks to audio formats WAV and mp3 with excellent output quality and high ripping speed, and the mp3 Compressor can reduce the mp3 file size up to 30% 70%, save valuablespaceonyour Mobile Phone.Theres as well a batch conversion function for changing mp3 or WAV files to RingTones automatically! Key Features: a·Fast and ideal quality, very comfortable to practice interface; a·Directly change selected part audio to Mobile Ringtone as MMF AMR, MIDI, mp3, WAV, AAC, MP4, 3GP! a·change CD to mp3/WAV; a·Reduce mp3 files size up to 30% 70% with the mp3 Compressor; a·Batch conversion sustains, saving your time; a·All ID3 information will be copied to the new mp3 files; a·Automaticly gathers mp3 titles to MMF files; a·Save & transmission copy status settings and sampling frequency setting for MMF; a·Professional MIDI changer with extended options; a·Can set AMR quality mode; a·More options to configure the ringtone quality.