NotebookLM expands to 80+ languages for video and audio overviews

Google has expanded its AI-powered study assistant, NotebookLM, to make its video and audio summaries available in more than 80 languages. The update broadens Video Overviews to match the already-supported Audio Overviews, enabling users to generate narrated slide presentations and full-length audio discussions in languages ranging from French and German to Japanese and Greek. The rollout begins immediately and will continue globally over the coming week.

Video Overviews transform uploaded notes, PDFs and images into video presentations that feature diagrams, quotes, data and other visuals, with an AI host narrating the summary in a natural-sounding voice. Prior to this rollout, Video Overviews were available only in English; now users around the world can produce these narrated presentations in dozens of languages, including widely used languages such as French, German, Spanish, Portuguese and Japanese. In addition, the option remains for shorter highlights if a user wants a quick skim of the material.

Audio Overviews have also received a significant upgrade. While they were available in multiple languages before, they offered only short summaries in non-English languages. The...