18
Glossary
—The collection of standards which define the different types of
Rainbow Books
CDs. Through these standards, it has been determined that CDs can be read and
processed by as many devices and operating systems of the different manufactur-
ers as possible.
—A book setting the standards for the Compact Disc physical format
Red Book
and audio recording methods, published by Philips and Sony in 1981.
—An inter-related writing procedure is defined as a session. A session
Session
consists of the Lead In area, the data area, and the Lead Out area. A CD can be
written with several sessions. This is then called a multi-session CD, in contrast to
a single-session CD that only contains one session. A silver CD generally consists of
one session.
—Contents of the Lead-in, this contains the addresses of all the tracks on the
TOC
CD.
—In an Audio-CD, one track corresponds to one piece of music. With a
Track
CD-ROM, one track contains computer data and it may have any number of files
and folders.
—UDF is short for Universal Disc Format, another file layout standard for
UDF
CDROM. The UDF format can write to CD-Rs, CD-RWs, and DVDs by the Packet writ-
ing method, which eliminates "Buffer Under-Run" and is compatible with
ISO9660.The advantage of UDF is that it functions like writing from a hard disk.
—A CD-ROM storing MPEG-1-compressed moving pictures, still pic-
Video CD
tures, audio sounds, etc.
—A book of CD-ROM standards published by Philips and Sony in
Yellow Book
1985.