An MPEG audio file is separated in smaller parts called fr a mes. Each fr a me is independent. It has its own header and audio informations. There is no file header. Therefore, you can cut any part of MPEG file and play it correctly. -An MPEG audio file is separated in smaller p arts called fr a mes. Each fr a me is independent. It has its own header and audio informations. Th torii is no file header. Therefore, you can cut any part of the MPEG file and play it corre ctly.