CD+G

CD + DVDCD+EG / CD+XG
CD+G (also known as CD-G, CD+Graphics and TV-Graphics ) is an extension of the compact disc standard that can present low-resolution graphics alongside the audio data on the disc when played on a compatible device.wikipedia
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Karaoke

noraebangkaraoke machinekaraoke bars
CD+G discs are often used for karaoke machines, which use this functionality to present on-screen lyrics for the song contained on the disc.
Most common machines are CD+G, Laser Disc, VCD or DVD players with microphone inputs and an audio mixer built in. CD+G players use a special track called subcode to encode the lyrics and pictures displayed on the screen while other formats natively display both audio and video.

Compact Disc Digital Audio

Audio CDCDRed Book
CD+G (also known as CD-G, CD+Graphics and TV-Graphics ) is an extension of the compact disc standard that can present low-resolution graphics alongside the audio data on the disc when played on a compatible device. The CD+G specifications were published by Philips and Sony in an updated revision of the Red Book specifications.
The IEC 60908 however does not contain all the information for extensions that is available in the Red Book, such as the details for CD-Text, CD+G and CD+EG.

Philips CD-i

CD-iCD Interactive (CD-I)CD-i console
Along with dedicated Karaoke machines, other consumer devices that play CD+G format CDs include the NEC TurboGrafx-CD (a CD-ROM peripheral for the TurboGrafx-16) and Turbo Duo, the Philips CD-i, the Sega CD, Sega Saturn, the JVC X'Eye, the 3DO Interactive Multiplayer, the Amiga CD32 and Commodore CDTV, and the Atari Jaguar CD (an attachment for the Atari Jaguar).
The first Philips CD-i player, released in 1991 and initially priced around US$1,000, was capable of playing interactive CD-i discs, Audio CDs, CD+G (CD+Graphics), Karaoke CDs, Photo CDs and Video CDs (VCDs), though the latter required an optional "Digital Video Card" to provide MPEG-1 decoding.

Sega CD

Mega-CDMega-CD/Sega CDSega Mega-CD
Along with dedicated Karaoke machines, other consumer devices that play CD+G format CDs include the NEC TurboGrafx-CD (a CD-ROM peripheral for the TurboGrafx-16) and Turbo Duo, the Philips CD-i, the Sega CD, Sega Saturn, the JVC X'Eye, the 3DO Interactive Multiplayer, the Amiga CD32 and Commodore CDTV, and the Atari Jaguar CD (an attachment for the Atari Jaguar).
It can also play audio CDs and CD+G discs.

TurboDuo

NEC TurboDuoPC Engine DuoSuper System Card
Along with dedicated Karaoke machines, other consumer devices that play CD+G format CDs include the NEC TurboGrafx-CD (a CD-ROM peripheral for the TurboGrafx-16) and Turbo Duo, the Philips CD-i, the Sega CD, Sega Saturn, the JVC X'Eye, the 3DO Interactive Multiplayer, the Amiga CD32 and Commodore CDTV, and the Atari Jaguar CD (an attachment for the Atari Jaguar).
Like the TurboGrafx-CD, the TurboDuo can read Compact Disc Digital Audio and CD+G discs.

3DO Interactive Multiplayer

3DOPanasonic 3DO3DO console
Along with dedicated Karaoke machines, other consumer devices that play CD+G format CDs include the NEC TurboGrafx-CD (a CD-ROM peripheral for the TurboGrafx-16) and Turbo Duo, the Philips CD-i, the Sega CD, Sega Saturn, the JVC X'Eye, the 3DO Interactive Multiplayer, the Amiga CD32 and Commodore CDTV, and the Atari Jaguar CD (an attachment for the Atari Jaguar).
It also featured 2 megabytes (MB) of DRAM, 1 MB of VRAM, and a double speed CD-ROM drive for main CD+Gs or Photo CDs (and Video CDs with an add-on MPEG video module).

TurboGrafx-16

PC EngineTurboGrafx-CDPC-Engine
Along with dedicated Karaoke machines, other consumer devices that play CD+G format CDs include the NEC TurboGrafx-CD (a CD-ROM peripheral for the TurboGrafx-16) and Turbo Duo, the Philips CD-i, the Sega CD, Sega Saturn, the JVC X'Eye, the 3DO Interactive Multiplayer, the Amiga CD32 and Commodore CDTV, and the Atari Jaguar CD (an attachment for the Atari Jaguar).
System Card v2.00 – BIOS update. This adds support for CD+G discs.

Compact Disc subcode

subcodesubcode channelssubchannel data
The CD+G format takes advantage of the subcode channels R through W, which are unused in standard audio CD formats.
Subcode or subchannel data (called "control bytes" in the CD-ROM specification) refers to data contained in a compact disc (CD) in addition to digital audio or user data, which is used for control and playback of the CD. The original specification was defined in the Red Book standard for CD Digital Audio, though further specifications have extended their use (including the CD-ROM, CD Text and CD+G specifications).

MP3+G

MP3+G
MP3+G is a karaoke file format that was created to allow CD+G karaoke to be played from a personal computer easily and quickly.

Sega Saturn

SaturnarcadeSat
Along with dedicated Karaoke machines, other consumer devices that play CD+G format CDs include the NEC TurboGrafx-CD (a CD-ROM peripheral for the TurboGrafx-16) and Turbo Duo, the Philips CD-i, the Sega CD, Sega Saturn, the JVC X'Eye, the 3DO Interactive Multiplayer, the Amiga CD32 and Commodore CDTV, and the Atari Jaguar CD (an attachment for the Atari Jaguar).

Compact disc

CDCDsCD single
Compact Disc + Extended Graphics (CD+EG, also known as CD+XG and Extended TV-Graphics ) is an improved variant of the Compact Disc + Graphics (CD+G) format.
Compact Disc + Graphics is a special audio compact disc that contains graphics data in addition to the audio data on the disc.

Digital audio

digital musicaudiodigital
CD+G (also known as CD-G, CD+Graphics and TV-Graphics ) is an extension of the compact disc standard that can present low-resolution graphics alongside the audio data on the disc when played on a compatible device.

Philips

Philips ElectronicsPhillipsRoyal Philips Electronics
The CD+G specifications were published by Philips and Sony in an updated revision of the Red Book specifications.

Sony

Sony CorporationSony BMG MusicSony Music
The CD+G specifications were published by Philips and Sony in an updated revision of the Red Book specifications.

The Firesign Theatre

Firesign TheatreThe Firesign TheaterFiresign Theater
The first CD to be released with CD+G graphics was Eat or Be Eaten by Firesign Theatre in 1985.

Sega Genesis

Mega Drive/GenesisGenesisMega Drive
Along with dedicated Karaoke machines, other consumer devices that play CD+G format CDs include the NEC TurboGrafx-CD (a CD-ROM peripheral for the TurboGrafx-16) and Turbo Duo, the Philips CD-i, the Sega CD, Sega Saturn, the JVC X'Eye, the 3DO Interactive Multiplayer, the Amiga CD32 and Commodore CDTV, and the Atari Jaguar CD (an attachment for the Atari Jaguar).

Amiga CD32

CD32CD³²
Along with dedicated Karaoke machines, other consumer devices that play CD+G format CDs include the NEC TurboGrafx-CD (a CD-ROM peripheral for the TurboGrafx-16) and Turbo Duo, the Philips CD-i, the Sega CD, Sega Saturn, the JVC X'Eye, the 3DO Interactive Multiplayer, the Amiga CD32 and Commodore CDTV, and the Atari Jaguar CD (an attachment for the Atari Jaguar).

Commodore CDTV

CDTVAmiga CDTV
Along with dedicated Karaoke machines, other consumer devices that play CD+G format CDs include the NEC TurboGrafx-CD (a CD-ROM peripheral for the TurboGrafx-16) and Turbo Duo, the Philips CD-i, the Sega CD, Sega Saturn, the JVC X'Eye, the 3DO Interactive Multiplayer, the Amiga CD32 and Commodore CDTV, and the Atari Jaguar CD (an attachment for the Atari Jaguar).

Atari Jaguar CD

Jaguar CD13 gamesCD add-on
Along with dedicated Karaoke machines, other consumer devices that play CD+G format CDs include the NEC TurboGrafx-CD (a CD-ROM peripheral for the TurboGrafx-16) and Turbo Duo, the Philips CD-i, the Sega CD, Sega Saturn, the JVC X'Eye, the 3DO Interactive Multiplayer, the Amiga CD32 and Commodore CDTV, and the Atari Jaguar CD (an attachment for the Atari Jaguar).

Atari Jaguar

JaguarCOJAGJerry
Along with dedicated Karaoke machines, other consumer devices that play CD+G format CDs include the NEC TurboGrafx-CD (a CD-ROM peripheral for the TurboGrafx-16) and Turbo Duo, the Philips CD-i, the Sega CD, Sega Saturn, the JVC X'Eye, the 3DO Interactive Multiplayer, the Amiga CD32 and Commodore CDTV, and the Atari Jaguar CD (an attachment for the Atari Jaguar).

LaserActive

Pioneer LaserActiveSega Mega LD
Pioneer's LaserActive player can also play CD+G discs, as long as either the PAC-S1/S-10 or PAC-N1/N10 game modules are installed.

Raster graphics

Rasterraster imagebitmap
In the CD+G system, 16-color (4-bit) graphics are displayed on a raster field which is 300×216 pixels in size, of which only the central 288×192 area is used with a flat-coloured border (6 pixels wide, 12 lines high) drawn around it.

Pixel

megapixelpxMP
In the CD+G system, 16-color (4-bit) graphics are displayed on a raster field which is 300×216 pixels in size, of which only the central 288×192 area is used with a flat-coloured border (6 pixels wide, 12 lines high) drawn around it.