CD+G
Compact disc format used primarily for karaoke discs / From Wikipedia, the free encyclopedia
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CD+G (also known as CD-G, CD+Graphics and TV-Graphics[1]) 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. 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. The CD+G specifications were published by Philips and Sony as an extension of the Red Book (CD standard) specifications.[2][1]
Media type | Optical disc |
---|---|
Encoding | Various |
Capacity | Typically up to 800[citation needed] MB (up to 80 minutes audio) |
Read mechanism | 780 nm wavelength semiconductor laser |
Standard | Red Book for audio |
Developed by | Philips & Sony |
Usage | Audio with primitive visuals |
Extended from | CD-DA |
Extended to | CD+EG |
The first CD to be released with CD+G graphics was Eat or Be Eaten by Firesign Theatre in 1985.[3] The CD+EG is a similar format that allows for better graphics, but has very rarely been implemented in releases.[2]