# Language news, Tuesday, 15 September 2026

Compiled by Richard Brooks's language news desk. Canonical: https://richard-brooks.com/language-news/2026-09-15/

## Prime Video AI lip-syncs English dubs of German Maxton Hall

Tech. Human voice actors still record the English track. AI and VFX rewrite on-screen mouths to match, starting with seasons 1 and 2 worldwide, with more titles planned.

Source: Variety, https://variety.com/2026/tv/news/prime-video-ai-sync-actors-mouths-dubbed-maxton-hall-1236855286/

## Welsh Government partners with Cosine on Welsh AI

Tech. Cardiff Bay will supply data and expertise to Cosine’s Lumen model so Welsh works better in everyday digital tools. Second major AI language partnership after the 2024 OpenAI deal.

Source: Nation.Cymru, https://nation.cymru/news/welsh-government-partners-with-ai-firm-to-advance-welsh-language-ai/