Question

The two sound systems eventually adopted by the Hollywood studios were

a. the Tri-Ergon process and RCA Photophone.

b. Vitaphone and RCA Photophone.

c. the ERPI system and Fox Movietone.

d. Fox Movietone and Vitaphone.

e. Vitaphone and the Tri-Ergon process.

f. None of the above pairings is correct.

Answer

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