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The Phonautogragh invient by Léon Scott de Martinville it was able to record sound but not play sound
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The Tinfoil Cylinder Phonograph was made by Tomas Edison. It was the fist to record human voice
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Adapting the phonograph to record on a disk and he invented the gramophone the frist to play sound.
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Victrola became the industry’s premiere disc phonograph(made by victor talking tm) , and the era of the 78 RPM disc standard was born
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Columbia introduced the 33-1/3 RPM long-playing record (LP)
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3M introduced a “plastic-based recording tape with a magnetic oxide coating” as the Ampex Corporation led the way in high-quality tape recording machines
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Phillips introduced the audio cassette tape format that eventually became popular among home audio enthusiasts
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Sony revolutionized the world of personal audio with the introduction of the Walkman portable audio cassette player, initially called the “Soundabout.”
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Sony developed the first digital audio recording devices to be used by professional studios in 1978.
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Apple lunches the Ipod because of the sussses in dital audio
