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Enhanced-definition television, extended-definition television, or EDTV is a United States Consumer Electronics Association (CEA) marketing shorthand term for certain digital television (DTV) formats and devices. Specifically, this term defines formats that deliver a picture that is superior to that of standard-definition television (SDTV), but not as detailed as high-definition television (HDTV).
The term refers to devices capable of displaying 480 or 576-line signals in progressive scan (commonly referred to as "480p (NTSC)" and "576p (PAL)" respectively) as opposed to interlaced scanning, commonly referred to as "480i (NTSC)" or "576i (PAL)". High-motion is optional for EDTV.
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