Computer Hardware Terms, Glossary and Dictionary

High Definiton Television (HDTV), introduced by the Digital HDTV Grand Alliance, refers to the broadcasting of television signals with a higher resolution than traditional formats (NTSC, SECAM, PAL) allow. HDTV is defined as 1080 active interlaced or progressive lines, or 720 progressive lines. 16 : 9 aspect ratio in ITU-R BT.709. The term "high-definition" can refer to the resolution specifications themselves, or to media capable of similar sharpness such as movie film. Except for early analog formats in Europe and Japan, HDTV broadcasts digitally.

Related Terms

HDTV: High Definiton Television