Latest information from the FCC…
Video description is audio-narrated descriptions of a television program’s key visual elements. These descriptions are inserted into natural pauses in the program’s dialogue. Video description makes TV programming more accessible to individuals who are blind or visually impaired.
Availability of video description
FCC rules require local TV station affiliates of ABC, CBS, Fox and NBC located in the top 60 TV markets to provide 50 hours per calendar quarter (about 4 hours per week) of video-described prime time and/or children’s programming.