The talkies (1930)

Page scan 00094 from The talkies

Record Details:

Title:
The talkies
Date:
1930
Publisher:
London: Crosby Lockwood and Son
Volume:
The talkies
Leaf #:
00094
Language:
English
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
August 29, 2024
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DO THE TALKIES the right strength and all the various sounds passed on together to the recording camera. The reader will be wondering how two separate films are synchronized ; there are various methods used, but we need only consider the two main types — the mechanical and the electrical methods. When mechanical synchronization was employed, the sound and picture-cameras were coupled together between motor and camera; the two cameras being absolutely linked together so that one could not move without the other. It will be obvious that this method has its disadvantages because it means that two cameras cannot be far apart ; and it is not always possible to place the sound-recording camera in a place where it is really protected from interfering noises and vibrations. The electrical method is being used far more for studio work now, and enables the recording camera to be situated a considerable distance away if necessary. This is how it is done : Both the soundand picture-cameras are driven by electric motors, instead of being turned by hand, as they used to be in the days of silent films ; these two motors are supplied with electricity from the same special dynamo, and therefore turn at exactly the same speed; if necessary two or