
The type of subtitles is set during the production of the subtitles, if all the sounds in the video were duplicated (e.g. There is no difference in terms of the type of subtitles displayed by the TV.

Note that in the US and some other countries the content comes with Closed Captions, while in other countries the content comes with simple subtitles. Why I’ve turned on Closed Captions not the standard subtitles

If you watch video using a streaming service, you need to enable subtitles on the streaming app. If you’re watching a video using an HDMI connection you will need to enable subtitles on your device that transmit the video to the TV. Note: You can only enable subtitles or CC (Closed Captions) on your TV for broadcast, satellite or cable TV programs. But if you are watching content in a foreign language, subtitles can help. Of course, if you watch shows in a language you know and you have good hearing, you don’t need subtitles. By default, subtitles are usually turned off on Samsung TV, but you can turn them on if you need them. Character opacity, Edge color, Background opacity, and Window opacity can be selected after Character color, Edge type, Background color, and Window color are selected respectively.Subtitles can be useful because they visualize the audio of a show or movie.
Note: For Android 7.0, Select Settings at the lower corner of the Home screen and press the Enter button.
