Audio compact disc

Audio compact disc

T515/0197 Rights Managed

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530 pixels on longest edge, unwatermarked

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Uncompressed file size: 40.7MB

Downloadable file size: 5.5MB

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Credit: DALE BOYER/SCIENCE PHOTO LIBRARY

Caption: Compact disc. An audio compact disc (CD). An audio CD stores music as a series of fine depressions, representing a digitised musical signal capable of being read by a laser. To reflect the laser light, the music layer is coated with a fine film of metal which follows the depressions exactly. This layer is covered by another layer of transparent plastic which prevents dust and scratches from affecting the sound quality.

Release details: Model release not required. Property release not required.

Keywords: audio sound, cd, communication, communications, compact disc, technology

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