Joy RingTone Converter Professional Edition for to mp4 - Version 4.39 Joy RingTone Converter is a powerful polyphonic Audio to RingTone Converter with extended options. It can DIRECTLY convert 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 valuable space on your Mobile Phone.There's also a batch conversion function for converting MP3 or WAV files to RingTones automatically!Key Features:Fast and perfect quality, very easy to use interface;Directly convert selected part audio to Mobile Ringtone as MMF AMR, MIDI, MP3, WAV, AAC, MP4, 3GP!