Learn how to add closed captions to video calls, Netflix, and more

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Learn how to add closed captions to video calls, Netflix, and more

People keep finding more uses for closed captions. They’re good for making content more inclusive and watching films in foreign languages, but they also allow you to enjoy videos and video calls in quiet environments, skim through clips more quickly, and even focus more on what you’re watching.

With more users requiring subtitles, the technology behind them is constantly getting better. Google Duo, for example, is the latest app to test automatic closed captions, putting text on recorded video calls via the same artificial intelligence that powers the Google Assistant and the voice typing feature on Google Docs.

Whatever phone you use, whichever apps are your favourites, you probably already have access to closed captioning—whether thanks to content creators or AI. It’s just a matter of knowing how to activate them.

On video streaming apps

Just about every video streaming app you’ll come across will have an option for closed captions. On Netflix, for example, look for the speech bubble icon. It may actually have a label saying “Audio & Subtitles,” depending on your device. To change font and size, go to your Netflix account page on the web, then click your profile name and Change next to Subtitle appearance.

For YouTube, click the cog icon (on the web) or tap the three dots in the top right corner (on mobile) to find closed captions. You’ll get a list of languages to pick from, either provided by the video uploader or automatically generated by YouTube’s speech recognition AI—which may or may not be particularly accurate. On the web, you can click the Options link on the subtitles list to change the appearance of the subtitle text.

If you’re watching Hulu, you’ll need to find the cog icon on the playback window, and then tap or click it. Choose an option under Subtitles & Captions (on mobile) or click Subtitles & Audio (on the web) to get the text up on screen. Again, you’ll have more customization options to pick from when you’re watching online—follow the Settings link from the Subtitles & Audio menu to find them.

Those are three of the biggest video players in the business, but other video apps have similar options, and they shouldn’t be too difficult to find within the playback interface. These settings are typically available on smart TV apps as well, though you might need to do a bit more digging to find them.

On video call apps

Elderly man on a video call
Video calls can be difficult when you’re hard of hearing. Closed captions can help.Andrea Piacquadio / Unsplash

Video calls always happen in real time, so people can’t bundle subtitle files with their footage. This means that if you want captions, you’ll have to rely on the smart AI-powered voice recognition systems built into your video-calling app of choice. This technology has been around for a while, but apps have only recently begun using it for this purpose. Still, you can find the feature in a couple of them.

Leading the way here is Skype. You can turn closed captions on for all video calls by opening Settings (tap your avatar on mobile or the three dots by your avatar on the desktop), and then selecting Calling and Call subtitles. By default, Skype will also caption what you say on the call, which can be a little distracting, but you can opt to have subtitles only on video feeds from other participants in the chat. You can also specify a particular language that you want captioning in.

Other video calling apps have yet to take the leap in terms of real time transcription, though it is possible on Pixel phones (more on that shortly). Google Duo is taking it slow by testing automatic subtitles on Android and iOS, but only for previously recorded video and audio messages.

If you use Duo and want your recorded messages to have captions, open up Settings (via the three dots in the top right corner of the main screen), then choose Message settings and enable Captions for messages. At the time of writing, this feature hasn’t been completely rolled out, so be patient if you don’t see it.

On Android devices

People watching videos on phone
For when you’re watching YouTube on a break but don’t want to bother everyone else.Ketut Subiyanto / Pexels

Android has system-wide closed captioning settings that you can find by going to Settings and choosing Accessibility, followed by Caption preferences. You can also change the text size and color here. Keep in mind that some apps may not support these particular settings or closed captions at all, though you might be able to find caption settings inside unsupported apps.

Google is also experimenting with a feature called Live Caption, which adds real-time subtitles on top of any video or audio in any Android app. Originally it was only available for the Google Pixel phones (from the Pixel 2 up), but the company says it plans to make the feature available to phones from other manufacturers—it just added Samsung’s Galaxy S20 to the list.

On a Pixel phone, turn Live Caption on by opening Android Settings, selecting Accessibility, and then Live Caption. In the same place, you can also choose to show or hide profanity and sound labels (for sounds like laughter and applause). Finally, you can opt to show a Live Caption shortcut next to the pop-up bar that appears when you press one of the volume buttons on your phone.

The next time any app plays audio or video, you should see closed captions appear in real time. Tap and drag the captions to move them, or double-tap them to increase or decrease their size.

On iOS devices

Apple hasn’t yet announced anything similar to Live Caption for iOS, but you can still enable captions for recorded content across the operating system. From Settings, pick Accessibility, then Subtitles & Captioning; the next screen will let you switch captions on or off, and change their visual appearance.

As on Android, this will only work for apps that recognize the accessibility setting in iOS, but quite a number do—Amazon Prime Video and the default TV video app are two that will turn on captions in line with the general iOS settings. If you only want to turn this feature on while watching on the TV app, you can activate it by tapping the subtitles icon (a square speech bubble) on the playback screen.

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