clipped from: www.iphoneringtone.us How to Convert AAC to iPhone Ringtones Converter
Step 1: Click "Browse" button to add .aac file you want to set as iphone ringtone.
Step 2: If you want a music clip by dragging the two slider bars or change the number to reset start time and end time. Click "Pre-listen" button to pre-listen the music clip.
Step 3: Change destination folder by clicking "Browse" button.
Step 4: Click "Generate" to begin creating AAC file to iPhone ringtones.
Tips:
1. You can edit the added iPhone ringtone by click "Edit Ringtone". It's easy to rename the ringtone or remove it from your iPhone directly.
2. If you have connected iPhone with PC, check the "Export to iPhone", MP3 Ringtones Maker can load converted M4R ringtone to iPhone directly.
You can create your own special ringtone for every special contact with this AAC to iPhone Ringtones Converter. Try it, I'm sure it will satisfy you.