Glossary
Mp3
A file compression format that significantly reduces the size of an audio file. The full name is MPEG-1 Audio Layer 3, where mpeg stands for Moving Picture Experts Group. Mp3 files are much smaller than their CD versions—at 128 kbit/s (the most common compression) the ratio is roughly 1:10. It is a lossy compression, sound quality deteriorates with compression and cannot be regained.


