Audio Overviews are deep-dive discussions between AI hosts that provide in-depth summaries of the key topics in your uploaded sources. These overviews are designed to be an objective reflection of your source content, rather than subjective opinions from the AI hosts.
Generate an Audio Overview
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Open an existing notebook or create a new one and upload sources.
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To generate or delete an Audio Overview, you need edit access to a notebook.
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Within this panel, you can also express preferences for the length of the generated audio by choosing from Shorter or Default or Longer. This is available for English and will expand to more languages soon.
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In the "Studio" panel, navigate to the "Audio Overview" section.
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Under "Deep Dive conversation," select Generate.
Important:
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Audio Overviews, including voices, are AI-generated and may contain inaccuracies or audio glitches.
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NotebookLM may take a couple of minutes to generate the Audio Overview.
Load a previous Audio Overview
Important: This is only applicable to notebooks that have previously generated Audio Overviews.
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Open an existing notebook.
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In the "Studio" panel, navigate to the "Audio Overview" section.
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Select Load.
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Wait for the overview to load.
Share an Audio Overview
Option 1: Share a link
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Generate an Audio Overview.
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In the audio player, select Share.
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Confirm that the notebook is shared with the recipient and viewers have access to the “full notebook”.
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Copy link to Audio Overview and share link with recipient.
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Save to apply changes.
Option 2: Share the entire notebook
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Generate an Audio Overview.
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Share the notebook.
Option 3: Download & share the Audio Overview
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To download the Audio Overview, select Download 
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Share the downloaded audio.
Interact with an Audio Overview
Important: The interactive mode experience is currently available only in English.
To use interactive mode:
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Create a new Audio Overview.
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Select Interactive mode.
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While you listen, select Join.
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When the hosts call on you, ask your questions.
Tips:
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Your voice and transcribed interactions with the hosts won't be stored or shared.
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To share and download your original Audio Overview, click Share or Download.
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Other users won't be able to interact with your Audio Overview through the shared link.
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There may be a slight delay in starting to play the initial content, after you hit the join button, or after you speak to the hosts.
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You might experience some audio glitches like random speaker switches, third voice, or voice glitches.
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This feature is only available for newly-generated Audio Overviews.
Set an output language for Audio Overview
You can generate Audio Overviews in 50+ languages. To set your desired output language:
Tip: NotebookLM uses the preferred language from your Google Account settings as your default output language.