Overview
- Users can choose Short, Default or Long durations, with the Long option running for roughly 30 minutes.
- The format delivers a single continuous narrator that explains and connects ideas in a calm, explanatory tone.
- Reports broadly describe the feature as introduced this week, though one outlet says it is still in testing based on app teardown findings.
- Google has teased a British-accent narration option, which is presented as a planned addition rather than a currently available setting.
- The move builds on NotebookLM’s earlier podcast-style conversations and user-participation tools, with reviewers framing lectures for background, long-form listening.