It is not mandatory to italicize captions, but it is a common practice in many style guides to distinguish captions from body text. Using italics can help to clearly separate the caption from the main content.
ITALICIZE
Italicize or underline the title.
no
It is not necessary to italicize the name of a radio station. Just capitalize the name to make it stand out.
There are four syllables in the word italicize. I-tal-i-cize.
what are real-time captions for the deaf?
It is not necessary to italicize the name of a tank. However, if you are writing in a formal or academic context, you may choose to italicize the name of tanks for emphasis or clarity.
Can you give us captions about Eugene White
captions on Wildlife Protection
No.
In English grammar, it is necessary to italicize names of plays or skits.
One can learn more on video captions by reading the Technology Today magazine. They have a lot of articles on technology about video captions and how to use them.