7. Video recorders for high-definition signals
7.1 Real performance
Recording a signal obtained from 25 or 30 images per second, each made up of over 1,000 lines, is obviously no easy task. But VCR manufacturers have risen to the challenge.
The story goes back to 1987 when Sony introduced an analog VCR directly derived from its 1′′C format, the HDD-1000. Japan took the opportunity to start broadcasting analog high-definition television (HDTV) on June 3, 1989.
Funnily enough, the very first images of the evening were of New York harbour and the Statue of Liberty.
Since then, digital technologies have made their mark with a degree of signal standardization. After much discussion, a format has now been established...
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Video recorders for high-definition signals
Conclusion
Bibliography
In Engineering Techniques
Standards
- Information Technology – Digital compression and coding of photographic still images: JPEG profile registration, SPIFF profiles, SPIFF tags, SPIFF color spaces, APPn tags, SPIFF compression types and registration authorities (REGAUT) - ISO/CEI 10918-4 - 08-99
- Information Technology – Coding of moving images and associated sound for digital storage media up to approx. 1.5 Mbit/s - ISO/CEI 11172 - 1993
- Information...
Organizations
Joint Photographic Experts Group (JPEG) http://www.jpeg.org
Moving Picture Experts Group (MPEG) http://www.chiariglione.org/mpeg
Manufacturers
(non-exhaustive list)
Panasonic http://www.panasonic-broadcast.com
Sony http://www.sony.net
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