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phonograph
thomas edison made the frist phonograph -
recording
launch to company to produce recording playback machines -
disc phonograph
disc phonograph -
Amplification systems
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Audio Cassettes and 8-tracks
The Audio Cassettes and 8-tracks were created -
recording devices
sony developed the frist digital recording devices used in professional studios -
apple ipod
apple ipod intoduced -
apple iphone
apple iphone introduced