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What is HDTV?

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What is HDTV?

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HDTV (High Definition Television) is an emerging high resolution standard for television and DVD formats. There are 2 resolutions which can be defined as high definition, 1280*720 progressive and 1920*1080 interlaced, both in 16:9 widescreen aspect ratio. In order to be defined as high definition ready, a display device (projector, plasma, lcd etc.) must meet the following criteria: i. The device must physically have a minimum of 720 lines in wide aspect ratio. ii. The device must be able to accept 1280 x 720p and 1920 x 1080i at 50 and 60Hz iii. The DVI or HDMI input must support content protection (HDCP) It is on point ii. that many devices fail. Although many devices support a native resolution of 1280*720 or more, some cannot accept a 720p or 1080i signal at 50Hz and require that the frequency be increased to 60Hz, which usually involves using a scaler. You should bear this in mind before you purchase. The other point to keep in mind when purchasing your display is the native resol

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HDTV (High-definition television) is a new system of television that improves both production and reception of broadcasts for a picture quality up to 10 times better than standard definition. HDTV features increased lines of resolution and an improved aspect ratio (relationship of width:height): 16:9 as opposed to the 4:3 ratio of conventional screens.

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HDTV is a type of digital television service. HDTV provides a very high resolution combined with Dolby digital surround sound. The higher resolution displays up to ten times more image detail than standard TV. Many HDTV screens are wider than they are tall, providing a panoramic view, similar to theatre screens. This allows you to see movies as they were filmed, without resizing to fit your screen. There are also HDTV-capable sets that look like regular TVs, but provide HD format in a letterbox presentation (with black bars on the top and bottom of the TV image).

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HDTV stands for high-definition television. HDTV is a class of digital television that provides a very high-resolution picture with Dolby digital surround sound. The higher resolution picture, displaying up to ten times more image detail than standard TV, is the primary selling point for HDTV. HD signals also display in 16:9 aspect ratio as opposed to the standard 4:3 (a loss of up to 55% of the frame on movies filmed for the big screen), this allows viewers to see the whole screen.

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High-definition television (HDTV) is a high-resolution digital TV format. A high-definition TV signal has up to two times the color resolution and a picture that is up to six times sharper than that provided by a traditional regular TV set. HDTV also provides enhanced audio, such as Dolby Digital.

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