Generate Audio Overview in NotebookLM

Important:At this time, the NotebookLM mobile app may have limitations to this feature. Learn more about the supported features in NotebookLM mobile app .

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

1. Open an existing notebook or create a new one and upload sources.

   • To generate or delete an Audio Overview, you need edit accessto a notebook.

2. In the "Studio" panel, select "Audio Overview" to generate. The audio will be generated in the background, so you can generate other artifacts concurrently or even navigate to other screens. 
   
   Within the generation panel, you can also express preferences to customize the audio.

   • Choose a format.
     • Deep Dive (default)for an in-depth conversation. Two hosts unpack and connect topics from your sources in a lively conversation.
     • The Brieffor a quick overview. A single speaker delivers the key takeaways of a document in under two minutes.
     • The Critiquefor critical feedback. Two hosts provide a constructive evaluation of material like an essay or design doc.
     • The Debatefor exploring multiple perspectives. Two hosts engage in a formal, back-and-forth debate on the topic.
   • Choose a language.
   • Tailor the length, by choosing from Shorter, Default, or Longer (English Only). 
   • Input a  prompt to provide instructions to focus on specific topics or adjust the expertise level.

Important:

• Audio Overviews, including voices, are AI-generated and may contain inaccuracies or audio glitches.
• NotebookLM may take a couple of minutes to generate the Audio Overview.

Manage your Audio Overview:

• To change the playback speed, select MoreChange playback speed.
• To send feedback, tap Thumbs upor Thumbs down.

Tip:You can also listen to Audio Overviews while continuing to work within NotebookLM. You can explore relevant quotes, get citations, and query sources while listening to an Audio Overview in the background.

Load a previous Audio Overview

Important:This is only applicable to notebooks that have previously generated Audio Overviews.

1. Open an existing notebook.
2. In the "Studio" panel, find your previously generated audio.
3. Select Load.
4. Wait for the overview to load.

Share an Audio Overview

Option 1: Share a link

1. Generate an Audio Overview.
2. In the audio player, select Share.
3. Confirm that the notebook is shared with the recipient or is made public (open to “Anyone with a link”) and viewers have access to the “full notebook” (and not just “chat only”).
4. Copy link to Audio Overview and share link with recipient.
5. Save to apply changes.

Important:

• Public notebook sharing is only enabled for consumer accounts. It's currently disabled for Workspace Enterprise or Education accounts.
• Only notebook owners and editors can make generated audio publicly available and manage its access. As an owner or editor, you can turn off public access by selecting a different Notebook access level in the sharing panel.
• Once an audio is deleted, any previously generated share link will no longer work.

Option 2: Share the entire notebook

1. Generate an Audio Overview.
2. Share the notebook.
   • Other users can access the Audio Overview in the "Studio" panel.

Option 3: Download & share the Audio Overview

1. To download the Audio Overview, select Download.
2. Share the downloaded audio.

Learn about interactive mode

You can join a conversation and interact with the AI hosts in Audio Overview. With your voice, you can ask the hosts for more details or to explain a concept differently.

Interact with an Audio Overview

Important:The interactive mode experience is currently available only in English.

To use interactive mode:

1. Create a new Audio Overview.
2. Select Interactive mode.
3. While you listen, select Join.
4. When the hosts call on you, ask your questions.
   • The hosts will respond with a personalized answer based on your sources. After answering the question, they'll resume the original Audio Overview.

Tips:

• Your voice and transcribed interactions with the hosts won't be stored or shared.
• To share and download your original Audio Overview, click Shareor Download.
  • Other users won't be able to interact with your Audio Overview through the shared link.
• 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.
• You might experience some audio glitches like random speaker switches, third voice, or voice glitches.
• This feature is only available for newly-generated Audio Overviews.
• You can rate the discussion with Thumbs upor Thumbs downand provide feedback.

Output language for Audio Overview

You can generate Audio Overviews in 50+ languages.

Tip:NotebookLM uses the preferred language from your Google Account settings as your default output language.

Supported languages for Audio Overview

Related resources

• Learn about NotebookLM
• Create a notebook in NotebookLM