What is SDTV?
With the advent of digital output, television transmission quality is becoming more sophisticated. Standard Definition television (SDTV) and High Definition television (HDTV) are two of the new formats. SDTV is a digital format that provides a high quality picture, very similar to that of digital versatile disk. The quality of these new digital transmissions will become the standard for the future of broadcasting. SDTV is a lower resolution picture than HDTV. The images on SDTV will be of better quality than those of today’s TV screens. They will also still have stereo sound. The difference between SDTV and HDTV is that the signal on SDTV is more compressed than that of HDTV. As the digital signal is compressed, broadcasters can transmit five SDTV programs, whereas HDTV can only broadcast one. Multiple program broadcasting, called multicasting, was not previously available with analog transmissions. The picture definition of SDTV is also slightly lower than on HDTV. SDTV will give a gr
