Glossary of Terms
CD and DVD Equipment

Autoloader: Automated CD or DVD duplicator

Blue Book: standard for CD Extra

CD: Compact Disc

CD-Bridge: CD format that includes extra information on a CD-ROM/XA track, so that it can be played on a CD-i or CD-ROM/XA drive

CD-DA: Compact Disc - Digital Audio

CD-Extra: a multisession CD featuring audio and data

CD-I: Compact Disc - interactive. A multimedia CD format

CD-R: Optical disc which data/audio can be written to once

CD-ROM: Compact Disc Read-Only Memory. An optical disc holding computer data.

CD-ROM/XA: CD-ROM Extended Architecture

CD-RW: A re-writable optical disc

CD Writer/Burner: A drive capable of writing and/or re-writing recordable CDs

DVD: Digital Versatile Disc

DVD Audio: DVD format designed to hold audio data

Disk-At-Once (DAO): a whole CD is written to without turing the laser off, i.e. there is only one track burned.

DVD-R: Optical disc capable of having data written onto it once. Much larger capacity than CD-R.

DVD-ROM: Digital Versatile Disc Read-Only Memory. Holds computer data

DVD-RW: A re-writable DVD disc

DVD Video: DVD format designed to hold video data

Firmware: instructions and data programmed into the circuits responsible for controlling the operation of peripheral devices

Green Book: standard for CD-I

HFS: Mac OS Standard File System

Hybrid CD: CD-ROM standard readable by PCs and MACs

ISO9660: The industry standard file structure for CD-ROMs

Joliet: Joliet file system

Master: A disc or file containing data or audio ready for duplication

Mixed Mode: a format including a data track and one or more audio tracks

MTBF: Mean Time Between Failures. A measure of how reliable a piece of hardware or a component is.

Multisession: recordable CD format allowing data to be written to the disc in more than one session

Orange Book: a recorable CD standard; CD-R and photo CD

Photo CD: process from Kodak whereby images from film are stored onto a CD

Red Book: standard for CD-Rs playable in audio CD players

Rockridge: Rockridge file system

Table of Contents (TOC): Information on the starting psotions of tracks in the area of the CD before audio or data

Tower: Manual CD or DVD duplicator

Track-At-Once (TAO): when the CD is written the laser is turned on and off between tracks, leaving a small gap between audio tracks

UFS: Unix File System

Video CD: CD format designed to hold video data

White Book: standard for Video CD

Yellow Book: CD-ROM standard