Is Google secretly testing new AI voices in NotebookLM?
Is it a bug, or is a feature? Either way, it's pretty cool to get new voices for the AI hosts in Audio Overviews.
- NotebookLM users are hearing a mysterious third male voice during longer Audio Overviews.
- Google has confirmed that additional voices and dialects are coming, alongside APIs and video overviews, but it’s unclear if this third voice is a feature or a bug.
AI features can be quite a hit and miss, but Google’s NotebookLM is definitely one of the hits. NotebookLM is a personal AI research assistant that lets users control the AI’s data sources, enabling them to tap into AI to do their bidding without hallucinations. NotebookLM’s Audio Overviews feature can transform your notes into a podcast, complete with two AI hosts discussing your data. The feature works great, but if you want some variety, a third AI host seems to be on the way.
Reddit user Life_Machine_9694 (h/t XDA) observed a third male voice sprinkled in their Audio Overviews conversation, complementing the existing male and female voices currently running the AI podcast. Other users have also observed the same, especially when they attempt to create a longer-form podcast. One user notes this is a glitch; they have noticed more glitchy voices lately in Audio Overviews.
