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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.
A televisão de definição padrão (em inglês standard-definition television, sigla SDTV), refere-se a sistemas televisivos que tenham uma resolução de imagem que alcance certos padrões mas não sejam considerados EDTV (TV de definição aprimorada) ou HDTV (TV de alta definição).
Standard-Definition Television is a kind of television system that provides lower resolution than HDTV and higher resolution than analog TV does. The word 'SDTV' is generally used at the digital television broadcasting system that has a similar or litle bit higher state of resolution to the 'analog television system'.
24 de mai. de 2021 · SDTV is typically a 480i signal – where 480 represents the vertical resolution and i represents interlaced. Digital cable and digital satellite programming is widely available in SDTV format. While SDTV does not reach near the quality of HDTV, it is superior over traditional analog television.
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.
What is SDTV? Definition. Standard Definition Television: Digital formats that do not achieve the video quality of HDTV, but are at least equal, or superior to, NTSC pictures. SDTV may have either 4:3 or 16:9 aspect ratios, and includes surround sound.
( S tandard D efinition TV) A set of digital television standards with 480 lines of resolution (see DTV ). SDTV may refer to the resolutions or to the TV set, but SD always refers to the...
