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Altera_Forum
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16 years ago

De-interlacer with no frame buffer

Does the De-interlacer (BOB line duplication) work with no frame buffer? We have a good NTSC with embedded syncs as a source. We tested the source: CVI-->CVO and the image was fine. Now adding ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

CVI->clip(262 lines)->de_interlace->CVO

The reason for clipping each field to 262 is so that each field is presented to the de-interlacer with the same number of lines.

As far as clock speed. Remember the deinterlacer has got to produce two lines of video for every one line that comes in. I'd have to do the calculation to see exactly what speed would be sufficient. Are you producing 480p30 or 480p60 on the output?

Jake