2BGU B - FA - IA1

To record sound in moving pictures, the engineers had to overcome 3 major hurdles.

• sync

• amplification

• sound time limited

• image color

When did Thomas Edison's assistan, W.K.L Dickson, achieved a kind of rough sync? (type just the year)

Who experimented the process of sound-on-film in 1910?

• Eugene Augustin Lauste

• Thomas Edison

• Hans Vogt

Who invented the TRI-ERGON PROCESS?

• Josef Angl

• Joseph Massole

• Hans Vogt

• André Derain

Who patented the audion 3 electrode amplifier tube in 1907?

• Lee de Forest

• Andy Warhol