Joy RingTone Converter可以讓你用MP3、WAVE或者CD的音頻制作自己的鈴聲。根據手機的空間情況，可以選擇音質優先或者文件大小優先。它還提供了自動將MP3或WAVE轉為鈴聲的功能。

Joy RingTone Converter enables you to create your own ringtones by converting your MP3, WAVE files and CD tracks to the most common Ringtone format, including MMF, AMR, MP3, MIDI, WAV, AAC, 3GP and MP4. The contained CD Ripper extracts digital audio CD tracks to audio formats of WAV and MP3 with excellent output quality and high ripping speed, and the MP3 Compressor can reduce the size of MP3 files by 30%-70%, save valuable space for your Mobile Phone.

官方網站：http://www.joyringtone.com/

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