Abstract
In the recent syudio systems, various video signal formats have been used in complicated condition. In addition to the conventional formats for SDTV, the advent of new formats for high-quality ATV and HDTV have made the stodio systems far more complicated than before. In such a situation of a video signal format is becoming more and more important for configurating the production system. This paper explainns a newly developed digtal production switcher able to correspond to various types video signal formats, and common systems for component and HDTV.