MP3 is one of the most common types of audio files in use today and many portable music devices use them. However, you cannot directly record an MP3 on a Mac. All modern Macs come with a built in microphone and iTunes which makes converting a file from AIFF to MP3 almost as easy as recording the MP3 directly. In order to record the audio file in AIFF you will need a freeware audio recording program called Audacity. Tips Warnings Writer Bio
