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High-definition television ( HDTV) describes a television or video system which provides a substantially higher image resolution than the previous generation of technologies. The term has been used since at least 1933; [1] in more recent times, it refers to the generation following standard-definition television (SDTV).
Modern digital television is transmitted in high-definition television (HDTV) with greater resolution than analog TV. It typically uses a widescreen aspect ratio (commonly 16:9) in contrast to the narrower format of analog TV.
Apr 13, 2024 · HDTV, a digital broadcasting standard that offers picture and audio superior to that of traditional standard-definition television (SDTV). HDTV’s picture mimics the ‘wide-screen’ shape of motion pictures, with a rectangular aspect ratio of 16:9. HDTV drove traditional television sets into obsolescence.
- The Editors of Encyclopaedia Britannica
Mar 20, 2022 · Sponsored links. What is HDTV? All televisions make their pictures the same way, building up one large image from many small dots, squares, or rectangles called pixels. The biggest single difference between HDTV and what came before it (which is known as standard definition TV or SDTV) is the sheer number of these pixels. More pixels.
HDTV (high-definition television) is a television display technology that provides picture quality similar to 35 mm movies with sound quality similar to that of a compact disc. Television stations and cable TV operators regularly transmit HDTV broadcasts to users with HDTV sets today. HDTV transmits using digital signals rather than analog signals.
High-definition television (HDTV) is a television broadcasting system which uses a higher resolution than a normal television. With HDTV, people can see sharper pictures than with old television, giving a more vivid and clear screen. Most HDTV systems use digital signals with a 16:9 aspect ratio (width to height).
