![]() ![]() In that "table below" "preferred minimum/maximum" for 8 bit depth is 5 - 246. Signals shall not exceed the "Total Video Signal Range", overshoots that attempt to "exceed" these values may clip." " it is considered reasonable to allow a small tolerance, therefore, the EBU recommends that, the RGB components and the corresponding Luminance (Y) signal should not normally exceed the "Preferred Mininum/Maximum" range of digital sample levels in the table below. 103, version 2.0, Video Signal Tolerance in Digital Television Systems: To quote just one of these resources, according toĮBU Rec. ![]() Take a look into the control centers of broadcast stations where any signal is waveform/vectorscope controlled. See what they mean about "tolerance of out of gamut signals". Take a look at a PDF called "Technical Standards for Delivery of Television Programmes to BBC Worldwide". ![]() There may be some stations or some persons which/who would still reject video with levels above but there is no more technical reason to avoid levels above as long as reference white is set properly to 235. But it's no more true since quite a long time that levels above 235 are illegal for broadcast use, at least for the EBU area.
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