...
- Subtitles enable deaf and hard of hearing users to watch videos. This is important for all video publishers especially educational institutions who need to comply with accessibility laws and internal policies.
- Subtitles can be translated into different languages which help you reach broader audience.
- They also act as metadata that helps your videos show up in more places on YouTube.
Subtitle formats:
- There are many subtitles formats, such as SRT, WebVTT, DFXP/TTML, SCC, and SAMI files, but the most commons file is SRT.
...
You can add more than one subtitle file if you need, i.e. for multiple languages. That’s about it for HandBrake! It’s a very simple process and works well.
...
How to add subtitles in YouTube or Vimeo
Add subtitle in Vimeo: https://vimeo.com/help/faq/managing-your-videos/captions-and-subtitles#what-caption-and-subtitle-file-formats-does-vimeo-support
...