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HDTV picture resolution is at least twice that of SDTV, so it can present a more vivid screen than analog. HDTV can control resolution efficiently.
YouTube can upload/view video in 1080p or higher HD.
There are different HD standards. The common ones are:
- 7680x4320, progressive. This is 4320p/8K.
- 3840x2160, progressive. This is 2160p/4K.
- 1920x1080, progressive. This is 1080p/2K.
- 1024x576p, progressive. This is 576p/1K.