Native format - Some DTVs will convert the 18 ATSC formats into 1 or 2 formats and will draw only those. For these sets, the `native' format is - 1. the formats the set will draw or - 2. the original format. (These are contradictory definitions, but they reflect current practice. 1 is probably the preferred meaning.)
DTVLink - This logo is on equipment that has IEEE 1394 and DTCP.
HD-Capable TV - A standard definition set with a digital tuner. (This term was probably invented to confuse people.)
DTV - (digital TV). Examples of DTV are DBS satellite services, digital cable TV services, and ATSC digital TV stations.
Compression - Compression refers to the reduction of the size of digital data files by removing redundant and/or non-critical information ("data" being the elements of video, audio and other "information"). Digital TV in the U.S. would not be possible without compression.
YPrPb - Color representation requires three independent variables. CRTs - prefer red, green, and blue. Ink jet printers prefer yellow, magenta, and cyan. NTSC encodes color as luminance (brightness), hue (color), and saturation (absence of white in colors). Storage media such as DVDs prefer Y, Pr, and Pb, where Y is luminance, Pr is Y-red, and Pb is Y-blue. This is because Pr and Pb can be at lower resolution and not degrade the image noticeably, thus saving storage space.
Digital Tuner - A digital tuner serves as the decoder required to receive and display digital broadcasts. It can be included inside TV sets or via a set-top box.
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