Question

The earliest sound synchronization in the cinema was achieved by

a. W. K. L. Dickson in 1889.

b. Georges Demeny and Auguste Baron in 1900.

c. Oskar Messter in 1903.

d. the Tri-Ergon system in 1919.

e. the Vitaphone system in 1925.

f. none of the above

Answer

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