Tech ARP - Anti-Dot Crawl

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Anti-Dot Crawl

Common Options : Enabled, Disabled

Quick Review

Dot crawl is a visual artifact that plagues composite video signals (e.g. NTSC signals). Fortunately, it's possible to greatly reduce dot crawl by using a comb filter.

This BIOS feature controls the composite video decoder's comb filter.

When enabled, the comb filter is enabled to suppress dot crawl artifacts.

When disabled, the comb filter is disabled and dot crawl artifacts are allow to manifest normally.

If you intend to play composite video signals on your system, it is highly recommended that you enable this BIOS feature to suppress dot crawl artifacts.

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