Audio compact disc
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Audio compact disc
Photograph of an audio compact disc (CD), showing the multicoloured interference pattern produced by reflecting a laser beam off of the CDs surface. The 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 & scratches from affecting the sound quality
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6440499
© PASIEKA/SCIENCE PHOTO LIBRARY
Audio Audio Sound Communication Communications Compact Disc Music Sound Laser Beam
EDITORS COMMENTS
This print showcases the intricate beauty of an audio compact disc (CD). The image captures the mesmerizing multicolored interference pattern that is formed when a laser beam reflects off the CD's surface. The CD, a remarkable piece of technology, stores music in the form of finely engraved depressions that represent a digitized musical signal. These depressions are precisely followed by a thin metal film coating on the music layer, which allows for efficient reflection of laser light. To protect this delicate structure and ensure optimal sound quality, another layer of transparent plastic covers it, acting as a shield against dust and scratches. This photograph not only highlights the visually stunning patterns created by reflecting laser beams but also symbolizes communication through audio and sound. The CD has revolutionized how we consume music, enabling us to enjoy our favorite tunes with exceptional clarity and convenience. In today's digital age where streaming services dominate, this image serves as a reminder of the technological advancements that have shaped our relationship with music. It represents both nostalgia for physical media and appreciation for innovation in communications technology. Captured by Science Photo Library, this print invites viewers to marvel at the intricacies behind one of modern society's most beloved forms of entertainment – all within its vibrant colors and elegant design.
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