Glossary
Specific terms from our business are explained here:
- HDTV
- Collective term for television and video formats of a resolution higher than standard TV.
Collective term for television and video formats of a resolution higher than standard TV. There are various proposals and standards. The most common formats that are standardized by SMPTE and others have 1280 x 720 pixels (SMPTE 296M) and 1920 x 1080 pixels (SMPTE 274M). In some countries they are already used for broadcasting television programs. Besides television applications the HDTV equipment is also used in production and post production of feature films. Both formats can be used with frame rates from 23.976 up to 60 frames per second. While 1920 x 1080 typically is used with interlaced scanning, in this case with a maximum frame rate of 30 fps, 1280 x 720 is always progressive but with frame rates up to 60 fps, i.e the frame rate of the 1280 x 720 format is normally twice the frame rate of the 1920 x 1080 format. With the above said, the data rates of both formats are about the same. That is why most HDTV devices support both formats. If 1920 x 1080 is used with 50 or 60 fps in progressive mode the data rate is about as twice as high.
