Topic       : Chips 'n Chips
Author      : Michael Ruge
Version     : chips_x.hyp (01/05/2001)
Subject     : Dokumentation/Hardware
Nodes       : 1505
Index Size  : 35662
HCP-Version : 3
Compiled on : Atari
@charset    : atarist
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  CD-ROM Standards - COMPACT DISC FORMATS FOR MUSIC AND MULTIMEDIA       


 MIXED MODE 
 compact discs contain multimedia data in TRACK 1 and audio in TRACKS 
 2 - 99. This format requires the audio consumer to manually avoid 
 TRACK 1 during playback and is therefore not considered a viable 
 enhanced CD format. 
 
 PREGAP/TRACK ZERO 
 compact discs place the multimedia data in an expanded "pregap" area
 of the disc prior to TRACK 1 with the audio placed in its normal loca-
 tion starting at TRACK 1 [A.K.A. CD-ROM READY].
 This is currently the dominant format for enhanced CDs because it 
 requires no special hardware or software drivers. 
 
 STAMPED MULTISESSION 
 compact discs contain two discrete "sessions" or areas of the disc that
 are completely seperate from each other. The audio "session" is placed
 on the innermost portion of the disc and the multimedia "session" oc-
 cupies the outermost area of the same disc. CDs in this format require
 special "multisession" capable CD-ROM drives and software in order to
 access the multimedia tracks and suffer reduced performance compared to
 traditional CD-ROMs due to the placement of the data near the outside
 edge of the disc.


 GLOSSARY - TERMS AND COLORED BOOKS
 
 RED BOOK compact discs which contain audio or data/audio [mixed mode-
 see above]. These discs are playable in CD Players but will also play-
 back audio in CD-ROM drives.
 
 YELLOW BOOK compact discs which contain computer data and must be used
 in a CD-ROM drive attached to a computer.
 
 GREEN BOOK 
 compact discs which contain computer data and must be played in special
 CD-i players.
 
 WHITE BOOK 
 compact discs which contain compressed video data playable on CD-i 
 players and properly equipped CD-ROM based computers.
 
 ORANGE BOOK compact discs which are recordable.
 
 BLUE BOOK
 compact discs which combine RED BOOK audio with Multimedia data/
 YELLOW BOOK in a highly specified arrangement. Using "stamped multi-
 session" technology, BLUE BOOK discs prescribe disc locations for ad-
 ditional graphic and interactive components which will be accessible to
 future CD Players.

 ENHANCED CD
 Generic term for compact discs which contain music and multimedia. En-
 hanced CDs usually contain primarily music tracks starting at track 1 
 and have a minority portion of the disc dedicated to multimedia.
 
 



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