http://myrightbrain.wordpress.com/2006/06/11/how-to-convert-mp4-audio-files-to-mp3-using-iTunes/ There, follow the instructions and convert it. Or you could look at some programs.
You can find a lot of converters at www.download.com but most are on a trial base and cost
An mp3 converter converts wav files to mp3. There are many free ones that can be found online. Once you find one you like you can download it, launch it, and follow the instructions for converting files.
In order to convert AMR files to MP3 files, you will need to purchase an audio converter. There are several free ones online and available for download.
The easiest way to convert your files to mp3 is to download a file converter off of the internet. I found a great converter at www.maniactools.com/soft/m4a-to-mp3-converter.
Try www.convertit.com
Audacity is a program that allows you to record and edit sound files. Additionally, the Youtube Downloader is able to convert files from .wav to .mp3, and even convert video files into sound.
CNet has a free software that allows users to convert FLAC files to MP3 files, whether for use on an iPod or on iTunes. The free converter can be downloaded on CNet.
Converting an MP3 file into WAV requires the use of certain software. By carrying out a casual online search, you will be able to find software that can help you convert your files.
You can convert wav files to mp3 files using iTunes. In iTunes, select Preferences then Importing Settings then Import Using. Then click the advanced menu and click "Create mp3 version."
There is a cool software called "mp3 cutter joiner" in which you can convert .wav to .mp3. It says that it's a cutting and joing program but you can use it as a converter and also a bitrate cutter.
In iTunes Right Click on an MP3 file listed in the Library and select Convert to AAC from the menu that appears.
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