Subtitles, Closed Captions and SDH Subtitles: How are they different?
Ali Samei, 08 February 2020
Ali Samei, 08 February 2020
Although people often use the terms subtitles and closed captions interchangeably, there are differences that set them apart. Today, we are going to explain the difference between subtitles, closed captions, and SDH.
In essence, subtitles are targeted towards people who can hear the audio but also need the dialogue in written form. Closed captions on the other hand are targeted to an audience that cannot hear the audio and need a text description of sounds.
SDH captions are subtitles which combine the information of both captions and subtitles. While normal subtitles assume the viewer can hear the audio but doesn’t know the spoken language, SDH assumes that the viewer cannot hear the audio (like with captions). In this case, SDH is intended to emulate closed captions on media that does not support closed captions, such as digital connections like HDMI. SDH can also be translated into foreign languages to make content accessible to the deaf and hard of hearing individuals who understand other languages.
As it turns out, 85% of Facebook videos are watched without sound. Adding subtitles to your videos will not only capture the attention of potential viewers but will also allow them to get your take-home message, even with no audio. Sometimes circumstances don’t allow viewers to watch videos with sound (e.g – count how many times you forgot your headphones and then had to travel by bus/ attend an event/ stand in the waiting line, etc). The true value of your subtitles lies in the additional convenience they provide to your audience.
There are over 400 million people worldwide who are deaf or have partial hearing disabilities. They either can’t or have a hard time consuming audio content. By creating subtitles, you ensure that your message is spread to those customer groups, who would otherwise be excluded. Improving the accessibility of your content will help you better serve your audience.
Search Engines like Google can’t analyze video material, that’s why when you upload this type of content, only the title and the description are included in the keyword search. By adding a textual transcript to your video, search engines have much more data to work with, which helps to attract traffic to your content.
When your transcript is ready, it’s easy to translate it into many foreign languages. Having subtitles in multiple languages will not only expand your geographic reach but will also make your content more discoverable, again, because of improved SEO.
Well done! If you came this far it means that you now are an expert about subtitles and closed captions.
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