In television studios, blue or green screens may back news-readers to allow the compositing of stories behind them, before being switchedr cases, presenters may be completely within compositing backgrounds that are replaced with entire "virtual sets" executed in computer graphics programs.
Blue or green screens may back news. This was in television studios. Readers to allow the compositing of stories behind them, before being switchedr cases, presenters may be completely within compositing backgrounds "virtual sets" executed in computer graphics programs. This was in television studios. These backgrounds are replaced with entire.