- White Book (CD standard)
The White Book, which was released in 1987 by
Sony, Philips, Matsushita, and JVCrefers to a standard of compact discthat stores not only soundbut also still pictures and motion video. These discs, most commonly found in Asia, are usually called " Video CDs" or "VCDs." In some ways, VCD can be thought of as the predecessor to SVCDand DVD.
Here is some information on the format of the VCD itself, as well as the audio and video stored on these discs:
* File system:
* Format: Mode 2, Form 2/XA
* Maximum Length: Usually 74 minutes
* "Audio Format"
Bit rate: 224 kilobits per second
Sample rate: 44,100 kHz(kilohertz)
** Number of Channels: 2 (stereo)
* "Video Format"
** Resolution: 352×240 pixel for
NTSCvideo, 352×288 pixel for PALvideo
Frame rate: 29.97 Hz (NTSC), 25 Hz (PAL)
Bit rate: About 1.13 Mbit/s
The White Book also defines other hybrid formats, such as CD-Ready (or "CD-I Ready"), which was a CD-Audio disc that included a CD-i application. The format extended the pre-gap space of the CD-Audio and put special CD-i data there.
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