Convert mp3 to mmf

1. What's the mmf file?
MMF is one of mobile phone ringtone formats. The ringtone file is used in mobile phones which sound chip is designed by YAMAHA. The ringtone format is based of two format - midi and wave.

SMAF is the data format specification designed by YAMAHA, which has a main purpose to define the data expression of the multimedia contents for mobile device (mainly used in cellular phone). The basic portion of SMAF specification is designed to play the sound data conveyed by YAMAHA LSI sound chip. It is now mainly used as an the ringing alert melody of a cellular phone.

2. What's the phone brand to use mmf file as ringtone format?

Samsung, Motorola, Siemens, TCL, Toplux, DBTEL, LG, BenQ, NEC, ZTE, Sony Ericsson, Sharp, Panasonic, ...

3. How to convert mp3 to mmf directly without 3-party program?
a. Download iPhone Mobile Ringtone Converter from http://www.ringtone4me.com
b. Install and run iPhone Mobile Ringtone Converter, it will display following main window,

c. You can click Settings - Option to select mmf format as exporting ringtone format. Click 'OK' to close it.

If you want to convert mp3 to other ringtone format, like as m4r (iPhone ringtone), or amr/awb, you can also select it.

d. Click button 'Open File' to import audio/video file into file list-box, please refer to following image.
e. You can play the media file first, then drag the start time triangle and end time triangle to select ringtone part.
f. Click button 'Create ringtone Now!' to create the ringtone file, the default output folder is in My documents\iPhone ringtone\.

Note:
1. You can adjust the percent of audio fade in/out within the whole audio/video file.
2. You can click the button 'Select Output Folder' to export ringtone to another folder.