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What is standard-definition television (SDTV)?
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Standard-definition television (SDTV; also standard definition or SD) is a television system that uses a resolution that is not considered to be either high or enhanced definition. Standard refers to offering a similar resolution to the analog broadcast systems used when it was introduced.
- Television - Wikipedia
Standard-definition television or SDTV refers to two...
- Standard-definition television - Simple English Wikipedia ...
Standard-Definition Television is a kind of television...
- Television - Wikipedia
The standard broadcast television season in the United States consists of 22 episodes (which are typically broadcast over a period of nine months from September to May, depending on the date on which the program begins its season), although prior to the 1970s, a single season of a weekly television program consisted of as many as 40 episodes ...
The world's first 625-line television standard was designed in the Soviet Union in 1944, and became a national standard in 1946. The first broadcast in 625-line standard occurred in 1948 in Moscow. The concept of 625 lines per frame was subsequently implemented in the European CCIR standard.
Standard-definition television (SDTV) is designed on the assumption that viewers in the typical home setting are located at a distance equal to six or seven times the height of the picture screen—on average some 3 metres (10 feet) away.
Oct 29, 2022 · Chapter Review. Introduction. Television is a system for transmitting visual images and sound that are reproduced on screens, chiefly used to broadcast programs for entertainment, information, and education. The television set has become a commonplace in many households, businesses, and institutions. It is a major vehicle for advertising.
