High-definition television (HDTV) provides a resolution that is substantially higher than that of standard-definition television.HDTV may be transmitted in various formats: 1080p - 1920×1080p: 2,073,600 pixels (~2.07 megapixels [Mpx]) per frame 1080i - typically either: 1920×1080i: 1,036,800 pixels (~1.04 Mpx) per field or 2,073,600 pixels (~2.07 Mpx) per frame 1440×1080i: 777,600 pixels (~0.78 Mpx) per field or 1,555,200 pixels (~1.56 Mpx) per frame 720p - 1280×720p: 921,600 pixels (~0.92 Mpx) per frameThe letter "p" here stands for progressive scan while "i" indicates interlaced.
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