CHAPTER 7Compact Disc
The introduction of the Compact Disc (CD) system was perhaps the most remarkable development in audio technology since the birth of audio recording technology in 1877 with Edison’s invention of the tinfoil recorder. The Compact Disc system contains numerous technologies original to the audio field; when combined, these technologies formed a storage means that was unprecedented at its invention.
A Compact Disc contains digitally encoded data that is read by a laser beam. Because the reflective data layer is embedded within the disc, dust and fingerprints on the reading surface do not normally affect reproduction. The effect of most errors can be minimized by error-correction algorithms. Because no stylus touches the disc ...
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