High-definition television (HDTV or HD) describes a television system providing an image resolution of substantially higher resolution than the previous generation of technology. The term has been used since 1936, but in modern times refers to the generation following standard-definition television (SDTV), often abbreviated to HDTV. It is the current standard video format used in most broadcasts: terrestrial broadcast television, cable television, satellite television, Blu-ray discs, and streaming video. HDTV may be transmitted in various formats:

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  • High-definition television (HDTV or HD) describes a television system providing an image resolution of substantially higher resolution than the previous generation of technology. The term has been used since 1936, but in modern times refers to the generation following standard-definition television (SDTV), often abbreviated to HDTV. It is the current standard video format used in most broadcasts: terrestrial broadcast television, cable television, satellite television, Blu-ray discs, and streaming video. HDTV may be transmitted in various formats: * 720p 1280×720 progressive scan: 921,600 pixels (~0.92 MP) per frame * 1080i 1920×1080 interlaced: 1,036,800 pixels (~1.04 MP) per field or 2,073,600 pixels (~2.07 MP) per frame * 1080p 1920×1080 progressive scan: not a broadcast standard for ATSC 1.0 * Some countries also use a non-standard CEA resolution, such as 1440×1080i: 777,600 pixels (~0.78 MP) per field or 1,555,200 pixels (~1.56 MP) per frame When transmitted at two megapixels per frame, HDTV provides about five times as many pixels as SD (standard-definition television). The increased resolution provides for a clearer, more detailed picture. In addition, progressive scan and higher frame rates result in a picture with less flicker and better rendering of fast motion. HDTV as is known today first started official broadcasting in 1989 in Japan, under the MUSE/Hi-Vision analog system. HDTV was widely adopted worldwide in the late 2000s. (en)
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  • High-definition television (HDTV or HD) describes a television system providing an image resolution of substantially higher resolution than the previous generation of technology. The term has been used since 1936, but in modern times refers to the generation following standard-definition television (SDTV), often abbreviated to HDTV. It is the current standard video format used in most broadcasts: terrestrial broadcast television, cable television, satellite television, Blu-ray discs, and streaming video. HDTV may be transmitted in various formats: (en)
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  • High-definition television (en)
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