Audio Overviews in Search builds on AI Overviews, the AI-generated summaries Google supplies for certain Google Search queries. With Audio Overviews, Google is targeting people who are auditory learners or want more accessible ways to get information.

Google's incredibly fun Audio Overview with their virtual podcast hosts are now available as an experiment in Search Labs.

NotebookLM is undoubtedly one of Google's best implementations of generative AI technology, giving you the ability to explore documents and notes with a Gemini AI model. Last year, Google added the ability to generate so-called "audio overviews" of your source material in NotebookLM.