I use the Audacity software to edit sound files. It’s open source, free, and the learning curve was not bad at all. Within 30 minutes I was creating my own custom ringtones for my Instinct.

Some tips on using Audacity

  • DO download the LAME MP3 encoder (see this from the Audacity FAQ) – this allows you to export mp3 files
  • If you use iTunes, you may need to convert your files from .m4a to .aac for import into Audacity
  • Take advantage of the Zoom function to get more precise control of where you place your cropping marks

I then use the rumkin.com uploader to upload the ringtones to my phone.