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TIL: The "color bars" we see used on TVs are called SMPTE bars. These bars, which were created in 1951 and became widespread in 1978, are used to calibrate color and audio levels for taped recordings.
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Television screen error. SMPTE color bars technical problems.Color Bars data glitches. Сolor bars experiencing technical difficulties, being distorted with data glitches, dropped pixels, signal interf | Shutterstock HD Video #1041654340