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At the meeting of the Subcommittee a French proposed standard for magnetic track location was considered. It was agreed that the French proposal with respect to so-called "magnetic halftrack" should be circulated with the hope of arriving at a standard location
for such striping. Related problems include the design of a magnetic reproduce head which takes into consideration the question of magnetic head wear and photographic sound track damage, outlined at the Society's 1952 Washington Convention.
16mm and 8mm Committee Report
By MALCOLM G. TOWNSLEY, Chairman
SINCE ITS LAST REPORT, the 16mm and 8mm Motion Pictures Committee has processed in one manner or another, eight standards. Of these, one has just been approved as an American Standard, two are in the Standards Committee, having been approved by the 16mm and 8mm Motion Pictures Committee, one has been published for trial and comment, and four are still in letter ballot in the Committee.
All of the standards which are concerned with the usage of 16mm or 8mm film in camera or projector have been reviewed by the Committee and are currently in various stages of balloting as just indicated. I should like to express the deep appreciation of the Committee for the splendid work of D. F. Lyman of Eastman Kodak Company in re-drafting these standards into a consistent pattern and correct form and to thank Henry Kogel for suggesting a method of revising and simplifying titles. These standards now carry more descriptive material and explanatory notes than has been customary, and the Committee will welcome
Presented on April 30, 1953, at the Society's Convention at Los Angeles by Malcolm G. Townsley, Bell & Howell Co., 7100 McCormick Rd., Chicago 45, 111.
comments on this feature of the current revisions when they are finally released.
Several of these standards encounter the question of edge guiding of 16mm sound film. This has been a very thorny problem. Compelling arguments can be advanced for guiding at the perforated edge, and equally cogent reasons for guiding at the sound-track edge.
These two sets of reasoning are summarized in appendixes to the proposed standards, and really result in no standard at all being set for edge guiding. It is, however, beginning to appear that projector manufacturers are tending toward the solution of guiding the film at the picture gate from the perforated edge and at the sound scanning point from the unperforated edge, so that agreement on a standard may be possible in another year or two.
The Committee has requests for consideration of standards on the following:
Low-visibility splices;
Large 16mm reels (above 2,000 ft);
600-ft projector reels;
8mm reels; and
Travel-ghost film.
Comments and information on these subjects are invited.
June 1953 Journal of the SMPTE Vol. 60
725