Display Closed Captions
You can set whether to display closed captions. This item is displayed only on PS4™ systems sold in certain countries or regions.
When you set a checkmark in [Video Playback Settings] > [Display Closed Captions], [Closed Captions Settings] appears, and you can set attributes such as the size and background color of text.
To display closed captions, press the OPTIONS button during content playback, and then select (Control Panel) > (Closed Captions).