Tip - How to Convert WAV Files to iPhone Ringtones | eHow

Even though the iPhone can play music in several audio formats, it only recognizes one file type as ringtones: M4R. Despite the unique extension, M4R files are actually AAC audio files -- the same as songs purchased from the iTunes Store. ITunes 12 doesn't include a one-step method for creating your own ringtones, but by converting other audio...