HDTV cards

Seeking facts referring to HDTV cards? Welcome to HDTV-Info-Center.com, the huge supplies location on Samsung 42 plasma HDTV,HDTV antenna review, Magnavox50 DLP HDTV, HDTV receivers , and additional information.

HDTV stands for high-definition television. HDTV is just ONE of (18) formats that comprise the ATSC Digital TV Standard, it has sufficient resolution and dynamic range to perform multi-aspect viewing in which rectification and registration are required.

HDTV Information:

Non-cinematic HDTV video recordings are recorded in either 720p or 1080i format. The format depends on the broadcast company if destined for television broadcast; however, in other scenarios the format choice will vary depending on a variety of factors. In general, 720p is more appropriate for fast action as it uses progressive fields, as opposed to 1080i which uses interlaced fields and thus can have a degradation of image quality with fast motion.

In addition, 720p is used more often with internet distribution of HD video, as all computer monitors are progressive, and most graphics cards do a poor job of de-interlacing video in real time. 720p Video also has lower storage and decoding requirements than 1080i or 1080p, and few people possess displays capable of displaying the 1920x1080 resolution without scaling. 720p appears at full resolution on a common 1280x1024 LCD, which can be found for under $250. An LCD capable of native 1080i resolution costs close to a thousand dollars.

XETV in Tijuana, Baja California - across the border from San Diego, California - is on the air in HDTV using 720p format. This affiliate of the American Fox TV Network is on UHF channel 23 broadcasting from Mt. San Antonio in Tijuana, Mexico with 403,000 watts, directed primarily northward at San Diego. In January 2006, Televisa's XEFB-TV and Multimedios' XHAW-TV in Monterrey, Nuevo Leon began HDTV transmissions on UHF channels 48 and 50, respectively.

In February 2006, Televisa's XHUAA in Tijuana began its HDTV transmissions on channel 20. Unfortunately they have no HDTV programs. Channel 20 broadcasts an upconverted version of the programs of XHUAA's analog signal on channel 57. In Guadalajara, Televisa channels 2 (XHGA HD),4 (XHG HD) and 9 (XEWO HD) are available in 1080i format, TV Azteca channels 31 and 33 broadcast in 480i format.

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