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A new video hard disk system for multimedia program production

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4 Author(s)
Kurioka, T. ; NHK Sci. & Tech. Res. Labs., Tokyo, Japan ; Minami, H. ; Okuda, H. ; Ohshima, E.

This paper reports on a new video hard disk system for real-time recording and playing back of high-quality digital video signals, an important component in the production of multimedia programs at broadcasting stations. The paper clarifies some of the problems associated with the recording of high-quality video signals on a conventional hard disk system designed for storing computer data. It describes the requirements of a future video hard disk system. We have developed an experimental high-speed hard disk interface device suitable for transferring video signals. This device can guarantee continuous transfer of video signals with a high bit rate, sending them at 123 Mbps/ch-more than twice as fast as a conventional device. Using this interface, we have developed a video hard disk system capable of real-time recording and playing back of non-compressed video signals (conventional TV)

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Broadcasting, IEEE Transactions on  (Volume:42 ,  Issue: 3 )