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Mediacorp keeps up with the latest technology in providing its audience with high picture quality through digital TV and greater accessibility to wireless broadband channels by using TV white spaces.
With the ever increasing demand for superior-quality images and sound, the world is moving away from analogue to digital broadcasting to serve its audience. Furthermore, with the demand for mobile communication increasing, there is a pressing need to provide consumers with wireless broadband channels nationwide.
Analogue TV (⇡ Back to Top)
Analogue transmission broadcasts encoded analog audio and analog video signal, in the form of either the amplitude, frequency or phase of the signal which then produces the brightness, colours and sound on screen. However, analog signals are prone to interference. This results in a moderately weak signal and hence a low picture quality.
Digital TV (⇡ Back to Top)
Digital TV is the latest technology that allows for the broadcast of high-quality pictures and sound. Since December 2013, MediaCorp has been transmitting all free-to-air channels in digital format. The shift to digital TV brings benefits such as:
- picture quality remaining the same regardless of strength of digital signal.
- freeing up frequency spectrum for new services like mobile, wireless broadband and more channels.
- multi-language subtitles
- electronic programme guides
The shift to digital broadcast is being rolled out progressively, from December 2013 – 2016.
TV White Spaces (⇡ Back to Top)
White Space refers to the unused broadcasting frequency bands which can be used to deliver complementary and cost-effective wireless broadband channels such as the Internet. Together with its ability to:
- travel far
- pass through more obstacles such
- as trees and buildings using higher frequencies
TVWS can provide the latest option for machine-to-machine (M2M) data transmission.
8|Vasantham 