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Red Book CD Standards

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Definition:

Red Book refers to the technical criteria required for CDs - in other words, its a technical standard that all manufactured CDs must adhere to. When you get a CD manufactured, you might hear that you need to send a master that meets Red Book standards, which means it meets these general criteria. Red Book standards include:

  • Maximium duration of 74 minutes
  • Each track must be at least 4 seconds long
  • Maximum of 99 tracks
  • Maximum of 99 index points
  • IRSC code
There are also other, fairly complex criteria involving error correction and bit rate, although with a mastered CD, these are seldom a problem.

In recent years, many companies have begun manufacturing CDs that do not meet Red Book standards, usually so some kind of anti-piracy software can be added to the disc. This is why sometimes you end up with a CD that won't play in all of your CD players. Likewise with CD-Rs, that can hold more than 74 minutes of recording but may have some playback issues.

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