Optical disks in digital audio
Optical disks are particularly important to digital audio, not least because of the success of the Compact Disc. Ten years later the MiniDisc and magneto-optical mastering recorders took optical disk technology a stage further.
11.1 Types of optical disk
(1) The Compact Disc and the prerecorded MiniDisc (MD) are read-only laser disks, which are designed for mass duplication by stamping. They cannot be recorded.
(2) Some laser disks can be recorded, but once a recording has been made, it cannot be changed or erased. These are ...