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 #:
000178
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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Page 2 of 2 pages 2.4 The recorded frequency shall be 3000 — 25 cycles per sec with a recording speed of 96 perforations per sec or 90 ft per min. 2.5 The modulation of the recording shall be such that the total harmonic distortion does not exceed 21/2 %. 2.6 The total rms flutter of the sound recorder shall not exceed 0.1% and the flutter amplitude shall not exceed 0.05% (as defined in Proposed American Standard Z57.1, Method of Determining Flutter Content of Sound Recorders and Reproducers). 3. Film Stock 3.1 The film stock used shall be of the low shrinkage, safety type, cut and perforated in accordance with American Standard Z22.361947, Cutting and Perforating Dimensions for 35-Millimeter Motion Picture Positive Raw Stock, or the latest revision thereof approved by the American Standards Association, Incorporated. 4. Film Length 4.1 The film shall be supplied in 50-ft lengths or multiples thereof. 5. Identification 5.1 Each test film shall have suitable identification markings. NOT APPROVED PH22.98 February 1954 Journal of the SMPTE Vol. 62 171