# Voice design

**Source:** https://promtable.com/glossary/voice-design

> Voice design is the TTS feature where users describe a desired voice in prose ('warm, deep, 40-year-old male, slight British accent') and the system generates a synthetic voice matching the description — ElevenLabs Voice Design, OpenAI's instruction-guided TTS are 2026 examples.

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Voice design is the TTS feature where users describe a desired voice in prose ('warm, deep, 40-year-old male, slight British accent') and the system generates a synthetic voice matching the description — ElevenLabs Voice Design, OpenAI's instruction-guided TTS are 2026 examples.

Voice cloning needs a sample; voice design needs only a description. The technique: a multi-modal model maps prose descriptions to TTS embedding space, then generates audio from text using that embedding. Use cases: brand voices without finding a human, character voices for games / audiobooks, consistent personas across long-form content, accessibility (voices for non-speakers). Limits: less precise than cloning, hard to nail very specific accents, model can drift away from intended voice on longer outputs. ElevenLabs Voice Design and similar tools are the 2026 leaders. Combined with [[instant-voice-clone]], voice design is the 'no-sample' branch of synthetic voice production.

## When to use

- Brand voices without using a real human's voice.
- Character voices for fiction / games.

## Common mistakes

- Generating a voice that sounds like a real public figure — legal / ethical risk.

## Related terms

- [instant-voice-clone](https://promtable.com/glossary/instant-voice-clone)
- [voice-cloning](https://promtable.com/glossary/voice-cloning)
- [voice-marketplace](https://promtable.com/glossary/voice-marketplace)

*Last updated: 2026-06-01*
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Original page: https://promtable.com/glossary/voice-design
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