core + meta (Meta Extension): terms used within schema.org for schema definitions.

transcript

Canonical URL: http://schema.org/transcript

Thing > Property > transcript

If this MediaObject is an AudioObject or VideoObject, the transcript of that object.

Usage: Between 1000 and 10,000 domains
Values expected to be one of these types
Text
Used on these types
AudioObject
VideoObject

Schema Version 3.2.1