Enhanced Definition Television
The term Enhanced Definition Television, or EDTV short devices are promoted especially in the USA, digital SDTV process the signals and / or processing HDTV signals and can display in their lower resolution.
The first category includes, among others, PAL / SECAM TV with 100 Hz technology that try to fix the line flicker by digital filters. Also PAL plus devices are included.
In the second category are, for example, (W) VGA and ( rarely) (W) SVGA plasma or liquid crystal display 480 (such as NTSC) or 600 lines.
- Television Technology