Journal of the Society of Motion Picture and Television Engineers (1950-1954)

Record Details:

Title:
Journal of the Society of Motion Picture and Television Engineers
Date:
1950-1954
Publisher:
Easton, Pa. : The Society
Volume:
Journal of the Society of Motion Picture and Television Engineers
Leaf #:
000638
Language:
English
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Prelinger Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Date Added:
July 19, 2022
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PROPOSED AMERICAN STANDARD 35mm Sound Motion-Picture FilmUsage in Projector (Second Draft) PH22.3 ••vi.lw, of 2793-1944 Drawing shows film as seen from the lightsource in the projector. 1. Position of the Emulsion 1.1 Except for special processes, the emulsion shall be toward the light-source of the projector. 2. Rate of Projection 2.1 The rate of projection shall be 24 frames per second. 3. Relationship Between Sound and Picture 3.1 The apparatus and the film shall be so arranged that when the film is threaded normally, the sound track is scanned for reproduction at a point 20 frames, ± Vi frame, ahead of the centerline through the picture being projected. Thus, a given point on the film shall pass the sound head after it has passed the picture aperture. NOT APPROVED May 1953 Journal of the SMPTE Vol. 60 629