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Principles of cinematography : a handbook of motion picture technology (1953)

Page scan 00043 from Principles of cinematography : a handbook of motion picture technology

Record Details:

Title:
Principles of cinematography : a handbook of motion picture technology
Date:
1953
Publisher:
London : Fountain Press
Volume:
Principles of cinematography : a handbook of motion picture technology
Leaf #:
00043
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
Date Added:
May 15, 2025
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GENERAL PRINCIPLES 39 Figure 9 actually exists in positive film 'married' prints, but two quite separate films are used on which to record the negatives, one being required in the picture camera and the other in the sound recording equipment. It should also be noted, purely for accuracy, that in normal studio daily work the picture and sound positive prints are not combined at this early stage although, for special purposes, it is possible so to do (we have shown them as combined purely to give you a quick idea of the general method of obtaining the type of film used in your local cinema). The studio 'daily rushes' are sent from the laboratory as separate picture positives and separate sound positives the studios have special projectors in which the two films may be threaded up in synchronism and so, in fact, the combined effect is only seen at that stage because of this special apparatus. Referring again to Figure 8, the positive film will be complete on leaving the sound printer, that is to say, it will contain both the picture and sound tracks in their correct relationship on one support. This roll of film is termed a 'married print'. Since positive film usually requires developing in a solution which would be unsuitable for either picture or sound negatives, a third processing machine must often be used for this final operation although, here again, with some techniques, this is not necessary. 5 347 mm Fig. 9. — Picture and sound in "married" print.