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Google Expands NotebookLM Video Overviews to 80 Languages, Upgrades Non‑English Audio to Full Length

Updates begin a global rollout today with outputs grounded in users’ own sources.

Overview

  • Video Overviews now support 80 languages, broadening last month’s English-only debut to a worldwide audience.
  • Non‑English Audio Overviews move from brief highlights to full-length discussions that match the depth of the English experience, with a quick-summary option still available.
  • Google says the features are available starting today and will reach all users over the coming week.
  • The mobile app adds in‑app customization for Audio Overviews, including response length choices, guiding prompts, and language selection, alongside a reported 95% reduction in buffering time.
  • NotebookLM generates audio and video directly from users’ uploaded notebooks, and Google continues to add licensed featured content from partners such as The Economist and The Atlantic.