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  3. Chapter 18: Building Custom Voices — Data, Fine-Tuning, and Real Trade-offs

Chapter 18: Building Custom Voices — Data, Fine-Tuning, and Real Trade-offs

Voice and AI, Chapter 18: the practical craft of building a custom voice — defining the goal, data quality and coverage, scripted vs. natural speech, fine-tuning vs. conditioning, prompting, evaluation, and drift.

2026-06-03 Last updated on: 2026-06-03 Sho Shimoda
voice ai custom voice fine-tuning voice data prompting evaluation Voice and AI book

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