CD and MD recorder with the ability to store ATRAC data on a CD.
Abstract
In an optical disk recording and reproducing apparatus, audio data compressed in MD format can be recorded on a CD-sized optical disk and can be reproduced from both mini disks and compact disks. A disk for reproducing, in which audio data compressed in MD format is recorded by forming pits on a CD-sized polycarbonate substrate, enjoys a long play back time.