Flicker-free is a term given to video displays, primarily cathode-ray tubes, operating at a high refresh rate to reduce or eliminate the perception of screen flicker. For standard-definition television, this involves operating at a 100 hertz (Hz) or 120 hertz rate to eliminate flicker, compared to common televisions that operate at 50 Hz (PAL/SÉCAM systems) or 60 Hz (NTSC), most simply done by displaying each field of interlaced video twice, rather than once.
Flicker-free is a term given to video displays, primarily cathode-ray tubes, operating at a high refresh rate to reduce or eliminate the perception of screen flicker. For standard-definition television, this involves operating at a 100 hertz (Hz) or 120 hertz rate to eliminate flicker, compared to common televisions that operate at 50 Hz (PAL/SÉCAM systems) or 60 Hz (NTSC), most simply done by displaying each field of interlaced video twice, rather than once.
Source: Wikipedia "Flicker-free" · CC BY-SA 4.0
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