When one uses Nilquest subsampling as a standards conversion technique, the horizontal and vertical resolution of the material are reduced--this is an excellent method for converting HDTV to standard definition television, but it works very poorly in reverse.
The horizontal and vertical resolution of the material are reduced. One uses Nilquest. This Nilquest is subsampling as a standards conversion technique. This is an excellent method for converting HDTV to standard definition television. It works very poorly in reverse.