How Closed Caption Standards Integrate with VAST for Video Ads
· 2h ago · Originally reported by PPC Land
This guide explains the technical standards for closed captions, including 608, 708, and WebVTT, and how they are delivered within video ad serving protocols like VAST. It details why accurate captioning is essential for accessibility and compliance in digital video advertising.
Why it matters
Understanding caption delivery is critical for advertisers to ensure their video creatives meet accessibility regulations and function correctly across different video players and devices.
Explain it like I’m new here
It explains how video ads carry text subtitles so everyone can understand them, even if the sound is off.
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