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Invented by Thomas Edison. Only required paper strips, needle, a telephone diagram, and voices to sing "Mary had a little lamb".
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Electrician Nathaniel Baldwin, used copper wiring and an operators headband. The Navy ordered hundreds since they expected a world war.
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Cabinet- style luxury item with a superior acoustic sound design.
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RCA- Victor created the first 33 1/3 vinyl long- players.
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Helped to manipulate and mess with a singer's pitch.
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Revealed by the brand PHILLIPS.
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Sonny and Phillips came out with a 12 cm audio disc.
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German audio engineer Karlheinz Bradenburg helped to create a type of musical technology that included digital phone technology.
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5GB and touch-sensitive pinwheel.
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Launched by Alex Ljung and Eric Wahlforss. At first it was only meant for artists in the music industry but by 2009 they had 160,000 users.
