Formats and Bandwidth

Digital TV supports a wide variety of picture formats which makes it attractive to broadcasters. Broadcasters can choose their own combinations of size, aspect ratio and interlacing. HDTV for instance is one of the best uses of digital television and uses one of two high definition formats (1280 x 720 or 1920 x 1080 pixels in a 16:9 aspect ratio). Standard definition TV using digital programming uses a 4:3 aspect ratio and a definition around 640 x 480 pixels. Digital TV can be broadcast at a data rate of upto 19 megabits per second to 2.375 Megabytes per second to give you an idea of how fast the speed is.

Comments are closed.