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A real-time HDTV signal processor: HD-VSP-system and applications

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3 Author(s)
I. Tamitani ; NEC Corp., Kawasaki, Japan ; H. Harasaki ; T. Nishitani

A programmable real-time HDTV (high-definition television) video signal processor (HD-VSP) has been developed. The HD-VSP is composed of multiprocessor clusters. Each cluster is compatible with a previously reported VSP. The VSP has introduced flexible software control capability in conventional TV signal processing. In order to expand such flexibility for HDTV signals, the developed HD-VSP employs a signal conversion technique. The HDTV sampling rate is reduced to that of plural conventional TV signals, each of which can be processed by VSP parallel multiprocessor clusters. Therefore, programs developed for conventional TV signals on the VSP are also applied to HDTV signals by the new system. Several coder programs, including a discrete cosine transform coder and an intraframe differential PCM (pulse code modulation) coder, are developed to evaluate real-time HDTV coding efficiency

Published in:

Communications, 1990. ICC '90, Including Supercomm Technical Sessions. SUPERCOMM/ICC '90. Conference Record., IEEE International Conference on

Date of Conference:

16-19 Apr 1990