From Bigasoft.com:

Bigasoft BlackBerry Ringtone Maker helps you to make ringtones for BlackBerry with ease. The powerful BlackBerry ringtone maker can convert MP3, WMA, WAV, RA, M4A, AVI, MPEG, WMV, DivX, MP4, H.264/AVC, AVCHD, MKV, RM, MOV, XviD, 3GP, and so on to BlackBerry ringtones MP3, and transfer ringtones to your BlackBerry smartphone directly after converting.

Bigasoft BlackBerry Ringtone Maker can help you clip any music and video fragment you like as your unique BlackBerry ringtone. You can assign a specific BlackBerry ringtone to individual contacts in your BlackBerry smartphone.

Key Features:
1. Convert audio files to BlackBerry ringtone mp3
With the powerful BlackBerry ringtone converter, any music file in your music library can be converted to ringtone for BlackBerry due to the support for a wide range of music formats like MP3, WMA, WAV, M4A, and so on.
2. Extract ringtone mp3 from video files
3. Send tone to BlackBerry automatically
It sends custom ringtones to your BlackBerry smartphone for simplification such that you can hear these fantastic tones when your acquaintances call you.
4. Adjust ringer volume
You can boost or lower ringtone volume for hearing BlackBerry ring wherever you are in a noisy environment or in a quiet room.
5. Customize ringtone duration
Just want a part of the music as your own ringtone? Bigasoft BlackBerry Ringtone Maker can graphical display of music files to help you set exact start time and end time of the segment to the hundredth of a second.
6. Listen before transfer
To ensure the music to be converted is exact the one which you want, you can preview the fragment before generating to save your time.
7. Easy to use
Easy Installation and easy usage via graphical user interface.
8. Multi-language support
We provide English, German, French, Japanese and Chinese for you to choose.
9. Support Windows Vista