What is MP3 Audio? MP3 is a digital music format that manages to compress large audio files into incredibly small, near-CD-quality, files. This compression is achieved by removing inaudible information from the desired file. (Sound quality is not compromised.) Users can easily store MP3s on computers, upload and download them over the Internet, and listen to them on several home and portable audio devices.

Why use MP3 Audio?   Convenient   - CD can be used for both learning and teaching with a Computer   - CD can also be used with MP3-CD players / MP3 car     stereo/selected VCD/DVD/Hi-Fi players for listening   Compact   - storing up to 15 hours of interactive multimedia teaching materials     in one CD    Cost-Effective   - paying the price of only one CD as compared to many tapes / CDs / VCDs