AODA

YouTube automatically creates closed captioning. You can review, and edit the closed captioning or upload and sync your script as the captions in the video manager.

The accuracy of automatic closed captions varies based on the complexity of the words in the video. 

Set Timings
Set Timings

 

Taking the time to adjust the closed captions improves their accuracy. 

Adjusting closed captions
Adjusting closed captions