1Digital-Media.com – The Red Book is one of the nine Rainbow Books, which provide universally agreed on specifications for all types of media. The Red Book provides the standards for audio CDs, also known as CDDA (or Compact Disc Digital Audio). There are also Yellow, Orange, White, Blue, Beige, Green, Purple, and Scarlet books in the Rainbow Book set.

These different colored books provide audio standards for:

Yellow CD-ROM and CD-ROM XA
Orange CD-R and CD-RW
White Video CD
Blue Enhanced CD, CD+G, and CD-Plus
Beige Photo CD
Green CD-I (Interactive)
Purple DDCD (Double Density Compact Disc)
Scarlet SACD (Super Audio CD)

According to the Red Book, a standard CD is 120mm in diameter, 1.2mm thick, and is made up of polycarbonate plastic substrate, one or more thin layers of reflective metal (usually aluminum), and a lacquer coating. The disc is divided into 3 parts The lead-in area containing the Table of Contents, the program area containing the audio data, and the lead-out area containing no data.

The Red Book of was developed in 1980 by Sony and Phillips to specify the physical parameters of the audio CD. This includes the optical stylus parameters, deviations and error rate, modulation system and error correction, and subcode channels and graphics. One other major CD specification set by the Red Book is the form of digital audio encoding taken on by CDs. The parameters set have become a de-facto standard in the CD duplication industry.

Contributor: Duplium CD/DVD Duplication Company

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