high-definition television

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Television with more TV lines and therefore a higher resolution than standard definition systems. The system took off in the late 1990s with the rise of digital transmission, LCD and plasma technology replacing bulky, heavy cathode-ray equipment. Today, a high definition television image is defined as 1080 TV lines as opposed to 625 for PAL and 525 for NTSC. However, in the 1980s an analogue system was marketed with a resolution of 1120 TV lines. In 1940, the British inventor John Logie Baird (1888–1946) demonstrated a 600-line colour television system.

http://www.bairdtelevision.com/colour.html The world's first high definition colour television

Subjects: Media Studies — Computing.

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