High-definition television (HDTV) became popular at the end of the 1900s. They were in essence super TVs boasting digital surround sound, hi-tech resolution, widescreen-compatible for old-time movie formats. But amid the different types that have popped up, there can be confusion for consumers, so lets take a look at whats out there today.
Analog
An analog television receives signals via satellite, over the air or through a cable; whereas older (standard) televisions accepted signals from radio waves transformed into sounds and screen images.
Digital
Digital television (DTV) converts signals for DVD players to analog. However, limited pixels limit resolution for viewers, affecting quality imaging on the television screen.
Reportedly U.S. broadcasts are moving in the direction of DTV transmission, transmitting video and sound data zeros and ones over wave transmissions, basically using the UHF spectrum over the air with a 6 MHz bandwidth, similar to analog transmitting.
Features and benefits of DTV include:
Better quality image.
Better resolution with big screen TVs
Better video graphic imaging.
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