The CEA Digital Television definitions are:
High-Definition Television (HDTV): HDTV refers to a complete product/system with the following minimum performance attributes:
* Receiver: Receives ATSC terrestrial digital transmissions and decodes all ATSC Table 3 video formats
* Display Scanning Format: Has active vertical scanning lines of 720 progressive (720p), 1080 interlaced (1080i), or higher
* Aspect Ratio: Capable of displaying a 16:9 image (1)
* Audio: Receives and reproduces, and/or outputs Dolby Digital audio
High-Definition Television (HDTV) Monitor: HDTV Monitor refers to a monitor or display with the following minimum performance attributes:
* Display Scanning Format: Has active vertical scanning lines of 720 progressive (720p), 1080 interlaced (1080i), or higher Aspect Ratio: Capable of displaying a 16:9 image (1)
(1) In specifications found on product literature and in owner's manuals, manufacturers are required to disclose the number of vertical scanning lines in the 16:9 viewable area, which must be 540p, 810i or higher to meet the definition of HDTV.