A comparison between DIGITAL TV and ANALOG TVThe quality of the image signal Digital TV system video signal is of good quality, contrast, unlike Analog TV system is that the signal will change depending on the signal strength level is.The quality of the TV picture quality is much higher than in Digital systems Analog TV Digital TV system system-maximum resolution of the image is in the Full level High Definition (Full HD) 1080p 1920 x 1080 pixels-is Picture, sent at 60 frame/sec Analog TV systems in a portion of the highest image resolution is just Standard definition (SD) – 480p x 480 pixels Picture is 704, sent at 60 complete frame/sec only. the ratio of the image. Digital TV systems will be widescreen 16: 9 TV Analog system but only 4: 3 only. Sound quality Digital TV to transmit 5.1 channels Surround system as.Analog TV to send sound signals to the system. 2 Stereo channels. the effectiveness of frequency in MHz frequency channel 1 8 scale if Analog TV system with relay to send only a single channel channels, but while the system Digital TV (DVB-T) signal in the 8-10 SDTV or HDTV is 2 + 2 SDTV's list of available frequencies more efficiently. support for new service model to provide new Features that will occur after it has been modified to broadcast Digital terrestrial television system to which are the services that are offered have never came first in the country, Thai Multimedia Interactivity, Data broadcasting, Emergency warnings, etc.
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