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576i is a standard-definition digital video mode, [1] originally used for digitizing 625 line analogue television in most countries of the world where the utility frequency for electric power distribution is 50 Hz.
SDTV resolution by nation: for historical reasons, different countries use either 480i or 576i as their standard-definition picture format. Standard-definition television (SDTV; also standard definition or SD) is a television system that uses a resolution that is not considered to be either high or enhanced definition. [1]
576i, a standard-definition television digital video mode. PAL region, a common term regarding video games, meaning regions where the 625-lines PAL standard was traditionally used. PAL/SECAM DVD; PAL/SECAM Video CD; Rec. 601, a 1982 standard for encoding interlaced analog video signals in digital video form.
With doubled temporal resolution, 576p50 is considered enhanced-definition television (), regardless of the image being scaled the same way as an interlaced frame.In some countries, such as Australia, the 576p resolution standard is technically considered high-definition [10] [11] and was in use by the Special Broadcasting Service (SBS TV), eventually replaced by 720p for its high-definition ...
For instance, 576i (576 interlaced lines) digital video with colour encoded as YCbCr, intended to be backward compatible and easily displayed on legacy PAL devices, is usually mentioned as "PAL" (eg: "PAL DVD"). Likewise, video game consoles outputting a 50 Hz signal might be labeled as "PAL", as opposed to 60 Hz on NTSC machines.
The other common standard definition digital standard, used in the rest of the world, is 576i. It originated from the need for a standard to digitize analog 525 line TV (defined in BT.601) and is now used for digital TV broadcasts and home appliances such as game consoles and DVD disc players. [1] [2]
576i 576i primetime on-demand Tax-payer funded content in 100% Māori. 11 501 TVNZ 1+1: TVNZ (govt.) 1 July 2012 TVNZ 576i 576i 576i on-demand Timeshifted TVNZ 1, delayed by one hour (replaced TVNZ 7) 12 504 TVNZ Duke+1: TVNZ (govt.) 17 November 2020 TVNZ Sky 576i 576i 576i on-demand Timeshifted TVNZ Duke, delayed by one hour. [7] 13 503 ThreePlus1
As VESA DMT specifies 0.5% pixel clock tolerance, which 5 times more than the required change, pixel clocks can be adjusted to maintain NTSC compatibility; typically, 240p, 480p, and 480i modes are adjusted, while 576p, 576i and HDTV formats are not.