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Tips & Tricks

Words That Change Speed: How Emotion Words Affect Delivery

Vois TeamVois Team
November 28, 2025
8 min read

TLDR:Words like 'amazing' and 'wow' speed up delivery by 4%. Words like 'however' and 'therefore' slow it by 4%. Use this to add natural rhythm.

Frequently Asked Questions

Can I disable automatic speed variation?

Yes, in Vois settings under TTS > Prosody, you can toggle 'Enable speed variation' off for flat, consistent pacing.

Does this work in all languages?

Currently, emotion keyword detection works for English content. Other languages use the base prosody rules without keyword-based adjustments.

ProsodyTipsPacingAi Voices
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Vois Team

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Vois Team

Product Team

The team behind Vois, building the future of AI voice production.