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 #:
000384
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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364 CINEMATOGRAPHIC ANNUAL At the top of the graph is represented both the overall recording characteristics, and then on a lower scale is shown the average overall loss from the recording film processing and projection systems. Two reference points of pitch are shown. FIGURE 7 On the right of the graph is also shown the average ground noise position of the print, which is normally at a minus 15 db. There is also provided means for monitoring from the Aeolight through a photo-electric cell, and this reference level is shown to be minus 80 db, at the photo-electric cell amplifier output. The physical layout of this equipment is illustrated in Fig. 5, which shows the arrangement for permanent wiring on stages, and is the amplifier bay overlooking the stage. The outputs from the microphone junction box are brought to the mixing panel on the right, thence to the master mixer, from which it goes into the amplifier located in the amplifier room. There is also mounted in this monitoring bay, shown at the left of the illustration, the control switches for all sound and picture cameras, as well as a system of signal lights for the coordination of recording between the various photographic, sound