16-mm sound motion pictures : a manual for the professional and the amateur (1953)

Record Details:

Title:
16-mm sound motion pictures : a manual for the professional and the amateur
Date:
1953
Publisher:
New York : Interscience Publishers
Volume:
16-mm sound motion pictures : a manual for the professional and the amateur
Leaf #:
000256
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Niles Essanay Silent Film Museum
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
April 11, 2024
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240 IX. SOUND-RECORDING EQUIPMENT AND ARRANGEMENT the quality of recording with regard to film motion depends more upon the care in manufacture and the care in maintenance and oiling of the particular machine than upon advertised design features. Periodic check Fig. 52. Maurer 16-mm sound recording machine. (Fitted to the lower half of its carrying case.) Magazines : 400 ft size shown, 1200 ft size can be furnished. (The latter is used frequently for television.) Motor drive: Single phase 117 v. 60 cycle synchronous. Other types can be supplied as needed. Propulsion direction: The machine can propel film from either left to right or from right to left ; the changeover is made by snapping a motor reversing switch. Sound traclc forms: Variable area — either negative or direct positive variable density negative. Noise reduction: Electrical bias of the galvanometer. This machine is designed to be energized from the ' ' recorder ' ' receptacle of the amplifier shown in Figure 63. Noise reduction and compression (fixed) are provided in addition to the audio signal. of any machine for film motion is good operations' practice. A rough check may be made by observing with a microscope the motion of the sprocket holes of the film at the drum or other index while illuminated from a stroboscopic light source such as a General Radio Strobotac.