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 #:
000177
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 Magnetic Flutter Test Film (Third Draft) PH22.98 Page 1 of 2 pages 1. Scope 1.1 This standard specifies a 3000-cycle, fully coated, magnetic sound test film for use in determining the presence of flutter in 35mm magnetic sound reproducers. 2. Test Film 2.1 The test film shall have an original magnetic sound recording. 2.2 The coating position and direction of travel shall be as specified in American Stand ard PH22.86-1953, 200-Mil Magnetic Sound Tracks on 35mm and 17V2mm Motion-Picture Film, or the latest revision thereof approved by the American Standards Association, Incorporated, and the base shall be coated from one row of perforations to the other row, or from edge to edge. 2.3 Three sound records shall be recorded in accordance with the dimensions specified in American Standard PH22.86-1953, or the latest revision thereof, and as shown in the drawing. HEAD*l RECORDING OR REPRODUCING HEADS IN LINE HEAD *2 HEAD #3 TRAVEL 0.189 »|«,»|«0.200ta002>|« O.I50-4.0.200±0-^^j<-O.I50— 4*0.200 k-0.189 -0.050 -0.689 ±0.004 -35 MM ALL DIMENSIONS IN INCHES UNLESS OTHERWISE INDICATED NOT APPROVED 170 February 1954 Journal of the SMPTE Vol. 62