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.
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 voice design
- 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.
FAQ
What is 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.
When should I use voice design?
Brand voices without using a real human's voice. Character voices for fiction / games.
What are the most common mistakes with voice design?
Generating a voice that sounds like a real public figure — legal / ethical risk.
Related terms
- Instant voice clone — Instant voice cloning is the TTS technique where a model produces a usable synthetic voice from a 5-60 second sample — ElevenLabs IVC, PlayHT instant clone, Resemble instant are 2026 examples. Lower quality than studio cloning but immediate.
- Voice cloning — Voice cloning takes a sample of someone speaking — sometimes as little as 30 seconds — and produces a model that can synthesise new speech in that voice.
- Voice marketplace — A voice marketplace is the curated library of synthetic voices a TTS platform offers — community-uploaded, vendor-curated, or licensed-from-actors. ElevenLabs, PlayHT, Resemble, Cartesia all maintain voice marketplaces in 2026.
Last updated: 2026-06-01. Raw markdown: https://promtable.com/glossary/voice-design.md.