| High Definition Video | 13 |
As noted in Chapter 12, there are two subcategories that fall under the DTV (Digital Television) category of standards: SDTV (Standard Definition Television) and HDTV (High Definition Television). All high definition video, also referred to as high def or HD, falls under the HDTV category of standards. There are several different high def standards, each with its own unique combination of image criteria, including frame rate, pixel count, line count, and scanning mode. While HDTV standards currently represent the highest quality of video image, they are not new standards. In fact, the development of high definition standards began in the analog domain in the early 1970s. Once DTV was developed, HDTV became a ...
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