Voices
Improvement

Stay current with voice variants

Voices are now selected based on their latest improvements, with the option to choose specific variants or revert to an older sound.

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We’ve added Voice variants to Synthesia—giving you the latest voice improvements by default, with more control when you need consistency. Available to creators on Basic plans and up.

What's new

Some voices now have multiple variants, which can sound slightly different or support different capabilities.

  • By default, voices use Auto, so you automatically get the latest improvements
  • If you prefer a specific sound, you can choose a variant from Voice settings

As part of this update, we’ve also remastered a set of stock voices to unlock improvements like pronunciation controls. If you’re sensitive to changes in a voice you’ve been using, you can switch to an older variant.

More updates

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Enterprise

Keep layouts looking polished for your translated videos

Translate videos without text overflow—translations adapt to each text box, and long strings scale down to keep your slides looking polished.

8/21/26
Improvement

Dub multiple videos at once with bulk dubbing uploads

Upload and dub up to 10 videos in one go—set languages and options once, then let every file process in the background.

8/21/26
Editor

More control in Create with AI

Set custom duration, aspect ratio, and visual references when generating B-roll videos and images.

8/19/26