The White Book refers to a standard of

compact disc The compact disc (CD) is a Digital media, digital optical disc data storage format co-developed by Philips and Sony to store and play digital audio recordings. It employs the Compact Disc Digital Audio (CD-DA) standard and was capable of hol ...

that stores not only

sound In physics, sound is a vibration that propagates as an acoustic wave through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the ''reception'' of such waves and their ''perception'' by the br ...

but also still pictures and motion

video Video is an Electronics, electronic medium for the recording, copying, playback, broadcasting, and display of moving picture, moving image, visual Media (communication), media. Video was first developed for mechanical television systems, whi ...

. It was released in 1993 by

Sony is a Japanese multinational conglomerate (company), conglomerate headquartered at Sony City in Minato, Tokyo, Japan. The Sony Group encompasses various businesses, including Sony Corporation (electronics), Sony Semiconductor Solutions (i ...

Philips Koninklijke Philips N.V. (), simply branded Philips, is a Dutch multinational health technology company that was founded in Eindhoven in 1891. Since 1997, its world headquarters have been situated in Amsterdam, though the Benelux headquarter ...

, Matsushita, and JVC. These discs, most commonly found in

Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...

, are usually called " Video CDs" (VCD). In some ways, VCD can be thought of as the successor to the

Laserdisc LaserDisc (LD) is a home video format and the first commercial optical disc storage medium. It was developed by Philips, Pioneer Corporation, Pioneer, and the movie studio MCA Inc., MCA. The format was initially marketed in the United State ...

and the predecessor to DVD. Note that Video CD should not be confused with CD Video which was an earlier and entirely different format. Several extensions to the White Book were published in later years: VCD 2.0 in 1995, VCD-Internet in 1997, and

Super Video CD Super Video CD (Super Video Compact Disc or SVCD) is a Digital data, digital format for storing video on standard compact discs. SVCD was intended as a successor to Video CD and an alternative to DVD-Video, and falls somewhere between both in ter ...

(SVCD) in 1998. The standard is not freely available and must be licensed from Philips.Philips Licensing Programs
/ref> The White Book also defines the more general CD-i Bridge format (also called CD-Bridge or simply "bridge discs"), which are

CD-ROM XA A CD-ROM (, compact disc read-only memory) is a type of read-only memory consisting of a pre-pressed optical compact disc that contains computer data storage, data computers can read, but not write or erase. Some CDs, called enhanced CDs, hold b ...

discs with an additional Green Book CD-i specific application program. The CD-ROM XA information in bridge discs can be obtained through

CD-ROM A CD-ROM (, compact disc read-only memory) is a type of read-only memory consisting of a pre-pressed optical compact disc that contains computer data storage, data computers can read, but not write or erase. Some CDs, called enhanced CDs, hold b ...

drives, while CD-i players can use the CD-i program to read bridge discs as well (hence the "bridge" status between CD-ROMs and CD-i discs). Bridge discs must conform to both the CD-ROM XA and Green Book CD-i specifications. VCDs and SVCDs fall under the category of bridge discs, as do Photo CDs and Karaoke CDs.What is CD-Bridge Disc?
/ref> The following is a summary of the specifications for VCDs and SVCDs. For more details, see Video CD and

. * File system: ISO 9660-compliant * Format: Mode 2, Form 2/XA * Maximum Length: Usually 74 minutes * ''Audio Format'' ** Format: MPEG-1 Audio Layer II **

Bit rate In telecommunications and computing, bit rate (bitrate or as a variable ''R'') is the number of bits that are conveyed or processed per unit of time. The bit rate is expressed in the unit bit per second (symbol: bit/s), often in conjunction ...

: 224 kilobits per second **

Sample rate In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal. A common example is the conversion of a sound wave to a sequence of "samples". A sample is a value of the signal at a point in time and/or ...

: 44,100 Hz ** Number of Channels: 2 (

stereo Stereophonic sound, commonly shortened to stereo, is a method of sound reproduction that recreates a multi-directional, 3-dimensional audible perspective. This is usually achieved by using two independent audio channels through a configurat ...

) * ''Video Format'' ** Format: MPEG-1 Part 2 (VCD), H.262/MPEG-2 Part 2 (SVCD) ** Resolution: 352×240 pixel for

NTSC NTSC (from National Television System Committee) is the first American standard for analog television, published and adopted in 1941. In 1961, it was assigned the designation System M. It is also known as EIA standard 170. In 1953, a second ...

video, 352×288 pixel for PAL video (VCD); 480×480 pixel for NTSC video, 480×576 for PAL video (SVCD) **

Frame rate Frame rate, most commonly expressed in frame/s, or FPS, is typically the frequency (rate) at which consecutive images (Film frame, frames) are captured or displayed. This definition applies to film and video cameras, computer animation, and moti ...

: 29.97 Hz (NTSC), 25 Hz (PAL) **

: 1150 kbit/s

References

{{DEFAULTSORT:White Book (Cd Standard) Rainbow Books Audio storage Video storage