🕰️ Video duration control in NotebookLM

Hi again,

I am using NotebookLM's video generation feature and have a technical query regarding the output duration.

Despite consistently specifying a desired length of 8 minutes or longer in my prompts, the resulting videos are invariably shorter, typically falling in the 5-6 minute range.

Could you please advise if there is a specific mechanism, setting, or fixed parameter that can be used to ensure the generated video adheres strictly to a minimum target duration (e.g., 8 minutes), or if there are any known constraints on the maximum length of the generated content?

Thank you for your help.

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