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RCA TAPE METHOD RECORDING HEAD PUTS PICTURE AND SOUND SIGNALS ON ONE TAPE TV TAPE RECORDER- REPRODUCER REPRODUCING HEAD PICKS UP SIGNALS FOR IMMEDIATE MONITORING OF TAPE Diagrammatic comparison of RCA tape and ordinary film methods shows steps eliminated by use of tape in recording color or black-and-white television pro- grams for later re-broadcast. PRINT MADE AND SOUND TRACK ADDED RECORDING REPRODUCING HEAD TAKES PICTURE AND SOUND SIGNALS OFF TAPE SPECIAL TV CAMERA RECREATES PICTURE AND SOUND SIGNALS FROM PROJECTED FILM REPRODUCING To the guests at the demonstration, General Sarnoff said; "Magnetic tape recording of television programs as shown today has great possibilities first for television broadcasting and, later, for national defense, for the motion picture and theater industry, for industry in gen- eral, for education and for home entertainment. "While this electronic video tape equipment is still in the developmental stage, the basic principles and principal elements of our system have been tested and confirmed. We are confident that it is only a matter of time, perhaps two years, before the finishing touches will bring the system to commercial reality. "It is essential for the future of the television art that video tape recording be introduced to give the tele- vision industry a practical, low-cost solution to program recording, immediate playback, and rapid distribution. Video tape will be important for black-and-white broad- casting; it will be essential in the creation of a full color television service. "According to our present estimates, the cost of re- cording a color television program on magnetic tape would be only five percent of what it would cost to put it on color film, since the tape can be reused." The Advantages of Tape Summarizing the advantages of the tape recording method over conventional film methods now in use by the television industry, General Sarnoff emphasized that the tape, unlike film, requires no processing, but that the pictures can be used the instant they are taken, can be preserved indefinitely for reference use or can be electronically erased, permitting repeated reuse of the same tape. "With further development of video tape techniques, numerous possibilities will open up," he added. "Small portable television cameras are already in wide use in industry, in stores, in banks, in schools and colleges. Low- cost television cameras that work like satellites off home television receivers are ultimately possible. Eventually, low-cost video tape equipment of simpler and more compact design than the studio-type equipment shown today can be made available as attachments for these cameras. "The all-electronic chain of portable television cam- era, video tape recorder and standard television receiver would make a convenient and versatile system for making amateur as well as professional motion pictures. It will speed the preparation of newsreels and will be a useful 14 RADIO AGE