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

Record Details:

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360 STATEMENT ON THEATER TELEVISION October Service E — although somewhat restrictive, would serve as an interim measure and would be suitable for high-detail transmission. Service I — would serve some present needs, but probably would be unsatisfactory and outmoded in a very short time. It is recommended that as many of the channels as possible be set aside at this time in the region of 5925 to 7125 megacycles because equipment is now available for use in this region, and experience with transmission at these frequencies shows such service to be practical. Although Services A and B above require more channels than this region can furnish, future growth may provide experience and equipment making transmission at higher frequencies also practical. NETWORK FACILITIES — As of today, no communications organization, whether common carrier or limited or private carrier, is in a position to provide intercity or network service for theater television. This holds true even for transmission of 525-line pictures of presentday television-broadcast quality. Indeed television broadcasting does not presently have sufficient network facilities to avoid channel sharing and consequent enforced network-channel scheduling. The daily peak demand for network interconnection facilities for theater television will occur at the same time as the peak demand for facilities for television broadcasting. Since both services will require facilities between 11:00 A.M. and 12:00 MIDNIGHT, no apparent conservation can be obtained unless "both services use the same programs. Regardless of how many separate channels ultimately are required by a nation-wide theater television service, that number will remain the same whether distribution is by common, limited, or private carrier. Opinions as to the relative feasibilities or economies of any one method of distribution are not within the scope of the Society's interest. It does seem appropriate, however, to outline for the Commission some of the factors which the theater television user might consider in determining the operating group best suited to supply theater television distribution needs. FACTOR 1. TECHNICAL PERFORMANCE — The quality of the provided circuits or channels to a large extent determines the quality of the received picture. FACTOR 2. OPERATIONAL FLEXIBILITY — Particularly in such fields as theater television, quick and effective responsiveness to program-scheduling requirements is required.