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INFONo Exact date, however in 1877 Thomas Edison created the Phonograph Cylinder and in 1878 it was patentened.
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Victor MachineNo exact date mentioned. The Victor Talking Machine Company is founded by Emile Berliner and Eldridge Johnson. Experimental optical recordings are made on motion picture film.
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The first "talking movie" is demonstrated by Edison using his Kinetophone process, a cylinder player mechanically synchronized to a film projector. No Exact date has been recorded.
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RCAThe Radio Corporation of America (RCA) is founded. It is owned in part by United Fruit. No exact date has been recorded
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The first commercial AM radio broadcast is made by KDKA, Pittsburgh PA.
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"The Jazz Singer" is released as the first commercial talking picture, using Vitaphone sound on disks synchronized with film.The Columbia Broadcasting System (CBS) is then formed.
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The first cardioid ribbon microphone is patented by Dr. Harry F. Olson of RCA, using a field coil instead of a permanent magnet.
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Walt Disney's "Fantasia" is released, with eight-track stereophonic sound
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Altec develops their Model 604 coaxial loudspeaker.
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Record labels begin to add multimedia files to new releases, calling them "enhanced CDs." Experimental digital recordings are made at 24 bits and 96 kHz.
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