The talkies (1930)

Record Details:

Title:
The talkies
Date:
1930
Publisher:
London: Crosby Lockwood and Son
Volume:
The talkies
Leaf #:
000177
Language:
English
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
March 28, 2024
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THE TALKIES 113 with the same care that the camera manufacturers had to bestow on their silent machines for Talkie work; fly-wheels, too, are being fitted to help maintain as constant a speed as possible. Particular care has to be taken to ensure that while the picture is being printed no light can possibly get out sideways through the film on to the portion which is masked off to receive the impression of the sound-track. This sort of trouble is apt to occur if the sprocket holes are not adequately masked. The Lawley printer has a particularly clever way of dealing with the different exposures which the various scenes demand. Tests are made of cuttings from the various scenes to ascertain the best printing exposure for them, and when these have been determined each portion of the negative which requires a different exposure has clipped on to it a tiny metal key; as this key passes past the light-gate it makes an electrical contact, releasing an automatic switch which effects the required change in the strength of light until the next key enters the gate and changes the value of the light to that required for the portion of film for which it is responsible. With the coming of the Talkies, the whole business of inspecting the finished prints has had