480i multisystem tape Convertion pal 480 640 4:3 Interlaced 30 Vertical Scan Lines Vertical scan

Horizontal pixel measurements using today's technology can range from 250 for
multisystem tape Convertion pal
VCR to as much as 500 for DVD player. Typical digital TV broadcasts have at least 640 pixels. Aspect Ratio Aspect ratio identifies the ratio of the TV screen's width over its height. 16:9 aspect ratio refers to wide screen picture format, while 4:3 refers to standard TV format. Scan Mode Interlaced scanning method that creates TV picture with alternating lines of information and the cause for flickering. Progressive scanning method that creates TV picture with consecutive lines of information that results in flicker free picture quality. Frame Rate Motion picture your TV generated by series of still pictures that changes from picture to picture at very fast rate. This rate measured by the number of still pictures (frames) displayed within one second of time. The higher the frame rate, the smoother the picture displayed. What are the different display technologies used in Digital Televisions? Digital televisions use the same display technologies available today for analog TVs and computer monitors. They include CRT (Cathode Ray Tubes), LCD (Liquid Crystal Displays), front and rear projection, and PDP (Plasma Display Panels). Most digital TVs today use CRT and projection technologies; however, the CRT maintains an advantage over projection
technologies with wider viewing angle that

HDTV/EDTV/SDTV different from HDTV/EDTV/SDTV Monitor? In order to receive digital broadcasts, digital decoder must be used to receive and decode digital broadcast signals. Digital decoders can be built into the digital television itself or they may come
in the form of set top box that added separately to the

digital decoder built into the television. HDTV/EDTV/SDTV Monitors give you the flexibility to add digital decoder in the future when digital broadcasts are more prevalent. What are the benefits of Digital Television? The primary benefits of digital televisions are superior picture quality

analog TV signals we watch today are made of


Digital televisions are dramatically
different in that they receive signals digitally in the form
of