58 Glossary
CDR1000—Owner’s Manual
Glossary
CD-DA (Compact Disc Digital Audio)—A digital storage medium that uses
120 mm optical discs to store 74 minutes of stereo 16-bit, 44.1 kHz digital audio.
CD-R (Compact Disc Recordable)—A recordable medium that cannot be rere-
corded and is fixed for life.
CD-RW (Compact Disc Rewritable)—A recordable medium that can be rere-
corded even after it has been finalized.
Finalization—The process of writing the final TOC, which allows discs to be played
on standard players.
OPC (Optimum Power Control)—The test performed each time a CD-R or
CD-RW disc is loaded into a CD recorder to determine the optimum laser power nec-
essary for recording.
Orange Book—The official specification for CD-R and CD-RW discs.
PMA (Program Memory Area)—The area of a CD-R or CD-RW disc that’s used
to store the temporary table of contents.
Red Book—The official specification for audio CDs.
TOC (Table of Contents)—The TOC contains track and index numbers, track start
and end times, and track length information, and is read each time a disc is loaded into
a CD player.
Wordclock—A clock signal used to synchronize the data processing circuits of all
devices in a digital audio system.