Digital television refers to the various digital broadcasting standards that deliver live TV to your home. Much like radio, early TV signals were broadcast as analogue signals and were of lower quality and prone to interference. Digital broadcasting fixes all these issues.
What is Digital TV?
Modern broadcasting standards use digital signals, i.e. data encoded in binary, to transmit information. This technique is more robust and secure.
More data can be transmitted in this fashion, allowing for surround sound and 4K transmission. Analogue TVs transmitted SD quality signals that would lose quality easily owing to factors like weather.
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Digital TV technology started replacing analogue TV in the early 2000s. Today, almost all TV signals are digital.
What are the benefits of Digital TV
– Better image quality
– Support for Dolby Audio and 5.1 surround formats
– Support for 4K transmission
– Support for additional features like captions and guides
– Support for a larger number of TV channels
FAQs
Q1: How to check if my TV supports Digital TV transmission?
A: All modern LCD TVs support digital TV. Older TVs can also support Digital TV with a digital to analogue adapter.
Q2: Is digital TV the same as HDTV?
A: HDTV or High-Definition TV only refers to a resolution, usually 720p and sometimes 1080p. Digital TV signals can be transmitted at any resolution, including HD, FullHD, and 4K.
Digital TV is the de facto TV broadcasting standard today but is slowly being replaced by IPTV. If you use a satellite dish and/or a set-top box, you are experiencing digital TV.
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Anirudh Regidi
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