Standard Definition (SDTV): A type of digital television producing a picture consisting of 480 interlaced-scanned lines. Enhanced definition is also referred to as 480i.
Enhanced Definition (EDTV): A type of digital television producing a picture consisting of 480 progressive-scanned lines. Enhanced definition is also referred to as 480p.
High Definition (HDTV): A type of digital television producing 720 or 1080 progressive-scanned lines, or 1080 interlaced-scanned lines. High definition is also referred to as 720p, 1080i, or 1080p.
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