Cinematographic annual : 1930 (1930)

Record Details:

Title:
Cinematographic annual : 1930
Date:
1930
Publisher:
Hollywood : The American Society of Cinematographers, Inc.
Volume:
Cinematographic annual : 1930
Leaf #:
000385
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
{"Media History Digital Library","Richard Koszarski","Jeff Joseph"}
Coordinator:
Media History Digital Library
Description:
Date Added:
March 21, 2024
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FOX MOVIETONE SYSTEM 365 recording and directorial departments. A volume indicator is shown in the center of the photograph, the purpose of which is to read the levels of speech current existing at the terminals of the Aeolight. FIGURE 8 Fig. 6 shows the amplifier room in which are additional monitoring amplifiers. Fig. 7 shows the sound camera, as well as the synchronous distributing system with its attendant tuned control box. It is necessary, when discussing any recording method, to consider the photographic processing directly with the problems and the characteristics of the electrical and recording light circuts. It will be observed in Fig. 8 that the illumination from an Aeolight is proportional to the amount of current flowing through it. The Aeolight burns at a pre-determined exposure with a steady DC component, and this is varied by the introduction of speech currents in addition to the fixed DC current. Positive stock is employed in Aeolight recording, and with the usual laboratory development the unmodulated illumination will occur half way up in the linear portion of the characteristic curve showing exposure and transmission. This curve is shown