DTV
Digital Television (DTV), referring to the new type of broadcasting technology, and the digital transmission of TV signals. Technically, DTV encompasses 18 (eighteen) recognized formats and standards within the ATSC specifications. Generically, it can refer to the core elements of digital television broadcasting, including HDTV, SDTV, datacasting, multicasting and so on.
Some Typical Digital TV Resolutions:SDTV:
480i - The picture is 704-by- 480 pixels, sent at 60 interlaced fields per second (30 complete frames per second).
Note: NTSC-Analog TV resolution is 480-i.
480p - The picture is 704-by-480 pixels, sent at 60 complete frames per second.
HDTV:
720p - The picture is 1280-by-720 pixels, sent at 60 complete frames per second.
1080i - The picture is 1920-by-1080 pixels, sent at 60 interlaced fields per second (30 complete frames per second).
1080p - The picture is 1920-by-1080 pixels, sent at 60 complete frames per second.