Matt Heath's List: 10 Technologies in the Music Industry Research

• Condenser microphone
• The condenser microphone, invented at Bell Labs in 1916 by E. C. Wente^[
• An electret microphone is a type of capacitor microphone invented by Gerhard Sessler and Jim West at Bell laboratories in 1962.

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• Optical disc drive
• The first laser disk, demonstrated in 1972, was the Laservision 12-inch video disk.
• The first digitally recorded optical disc was a 5-inch audio compact disc (CD) in a read-only format created by Philips and Sony in 1975
• Five years later, the same two companies introduced a digital storage solution for computers using this same CD size called a CD-ROM.
• Not until 1987 did Sony demonstrate the erasable and rewritable 5.25-inch optical drive.

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