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interlace
a) Technique for increasing picture repetition rate without increasing base bandwidth by dividing a frame into sequential fields. When first introduced, it also had the characteristic of making the scanning structure much less visible. NTSC uses 2:1 interlace (two fields per frame).
b) A process in which the picture is split into two fields by sending all the odd-numbered lines to field one and all the even-numbered lines to field two. This was necessary when there was not enough bandwidth to send a complete frame fast enough to create a non-flickering image.
- Part of Speech: noun
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- Industry/Domain: Software
- Category: Video editing
- Company: Tektronix
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