Discuss the digital audio CD parameters.
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The Red Book specifies the physical parameters and properties of the CD, the optical "stylus" parameters, deviations and error rate, modulation system (eight-to-fourteen modulation, EFM) and error correction facility (cross-interleaved Reed–Solomon coding, CIRC), and the eight subcode channels. These parameters are common to all compact discs and used by all logical formats, such as CD-ROM. The standard also specifies the form of digital audioencoding: 2-channel signed 16-bit Linear PCMsampled at 44,100 Hz. Although rarely used, the specification allows for discs to be mastered with a form of emphasis.
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