Cinematographic annual : 1930 (1930)

Page scan 000459 from Cinematographic annual : 1930

Record Details:

Title:
Cinematographic annual : 1930
Date:
1930
Publisher:
Hollywood : The American Society of Cinematographers, Inc.
Volume:
Cinematographic annual : 1930
Leaf #:
000459
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:
July 04, 2024
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RECORDING SOUND ON DISC 439 to rotate or oscillate about its axis, thus moving the stylus from side to side. At the conclusion of a scene or take we have in the wavy grooves, which are illustrated in Fig. 5, something which corre FIGURE 6 Sectional Vieiv of an Electrical Recorder sponds to the latent image on a piece of film which has been exposed in the film recording machine. There is, however, one important difference in the fact that the wax record may be immediately used, if we so desire, to reproduce the sounds which were recorded on it. This procedure, known as making a playback, usually results in sufficient damage to the wax so that it would be unsuited for use as a final reproduction. For this reason an extra wax is usually recorded where a playback is required. These playbacks from soft wax records are frequently of great