Selecting Fonts and Creating Line Art for Video

When creating line art or selecting a font to use for a broadcast video image, you should avoid creating horizontal single-pixel lines or using fonts that are too thin. Because video is interlaced, horizontal lines that have a height of a single pixel will flicker as the field in which they appear alternates on and off. This causes a distracting shimmering in your graphics, with the shimmering becoming more pronounced the closer thin areas in your image are to horizontal. For more information, see Installing and Choosing Fonts.

Flickering horizontal lines can be mitigated by adding a bit of blur or anti-aliasing to your image, causing the lines to subtly spread out over more than one line. However, the best thing to do is to avoid single-pixel lines altogether when creating graphics for broadcast.