Horizontal blanking interval (HBI)

Horizontal blanking interval (HBI)

That portion of the scanning line not carrying a picture. In NTSC, the HBI carries a synchronising pulse and a colour reference signal. Some scrambling and other systems add sound and/or data signals to the HBI. Some ATV schemes fill it with widescreen panel or detail enhancement signals. See also Blanking and Blanking Stuffing.

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Part of Speech: noun
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Industry/Domain: Software
Category: Video editing
Company: Tektronix
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