Journal of the Society of Motion Picture Engineers (1930-1949)

Record Details:

Title:
Journal of the Society of Motion Picture Engineers
Date:
1930-1949
Publisher:
New York, N.Y. : The Society
Volume:
Journal of the Society of Motion Picture Engineers
Leaf #:
00094
Language:
English
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Prelinger Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
The Journal of the Society of Motion Picture Engineers (SMPE)Êdocuments the technological progress of the film industry, highlighting technical developments in production and exhibition. Of special interest are articles about special effects, theater practices, lighting, and the introduction of the 16mm format. Initially titled "Transactions of the Journal of the Society of Motion Picture Engineers."Digitized by the Prelinger Library and the Library of Congress Motion Picture, Broadcasting and Recorded Sound Division.
Date Added:
July 19, 2022
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Jan., 1930] WIDE FILM STANDARDS 77 The possibility of varying the width of the sound record, if future developments in this field should so require, is apparent, as the sound record is placed outside of the film perforations. With the "Extreme" dimensions here presented, the picture area would be nearly three times the picture area of the 18 X 21 mm. sound standard in use today. The dimensions of the "Spectacular" film size are illustrated in Fig. 8. It is seen that the proposed height of the picture is 22.8 mm. for the camera aperture and 21.31 mm. for the projector CAMER* ^ PWOoB-CTOfr 79 nil A ' «M»wrui«B\ *rmi*ru*£' jOs" "~Sy P05ITIVI FILM tMjLsiON UPPICTURE RI&MT SIDE UP NEGATIVE FILM EMULSION DOWN -PICTURE Rl&HT SIDE UP. FIG. 8. Dimensions for the "Spectacular." aperture. The dimension of the camera aperture corresponds to the sum of the pitch of five standard perforations less a dividing space between picture frames 0.95 mm. in width. The proposed width of the picture is 38 mm. for the camera aperture and 35.53 mm. for the projector aperture. The space available for the sound record has a width of 3.25 mm., or a little over 25 per cent more than that of the sound record as used today in the 35 mm. standard film. The over-all width of the film is 52 mm. Again, the position of the sound record is outside of the perfora