A Hi-Vision VTR for Industrial Applications Using a ½-in. Videocassette

H. Shibaya, K. Yokoyama, T. Kido, M. Matsumoto, I. Obata, R. Tsunoi

Some considerations in designing and building a baseband recording system for an industrial-application Hi-Vision cassette VTR are discussed. First the size of videocassette was determined by parameters of picture and sound quality, recording time, and packing density attainable by the use of the latest magnetic recording technologies. Then the compact mechanics and electronics suitable for this ½-in. cassette were introduced, while maintaining the Hi-Vision picture quality with four-channel pulse-code modulation (PCM) sound. Flexible designs are becoming possible with digital signal processing by using large-capacity integrated circuit (IC) memories even in an analog (FM) VTR. Finally the feasibility of the VTR system was confirmed by manufacturing a trial model. The volume, weight, and power consumption were considerably less than those of the conventional machine with a 1-in. open reel.

Print ISSN
Published
1991-03
Content type
Original Research
DOI
10.5594/J02499