I tried NotebookLM in Russian and liked it a lot. Hearing material presented as a conversation is a different experience from reading a summary. The pauses, changes of speaker and apparent emphasis make the information feel easier to follow.
Google's April language expansion brought Audio Overviews to more than 50 languages in beta. The feature builds a discussion around the sources supplied to a notebook. That makes it interesting for collections of papers and notes, especially when I want an overview before returning to the details.
The conversational form also changes how I need to listen. Two confident voices can make an interpretation sound settled even when the source was cautious. A neat example may be an explanatory invention rather than something the authors actually tested. Those are ordinary risks of summarization, made less visible by fluent delivery.
I would use an audio overview as a route back into the material. If one claim catches my attention, I want to locate it in the source and see its conditions. Was the result measured on one dataset? Was it a proposal, a demonstrated capability or a future direction? The spoken version may omit exactly the qualification that matters for an engineering decision.
There is a simple way to make that review concrete. Pick a few specific claims from the audio and find the corresponding passages. Check a number, a comparison and a causal statement. If those survive inspection, the overview becomes more useful. If they do not, the mismatch tells me how much weight to give the rest.
Language adds another reason to inspect terms. A technical phrase can have several reasonable translations, and a friendly spoken explanation may choose a familiar word with a slightly different meaning. Keeping the original term alongside the translation can prevent confusion when looking up the method later.
My positive reaction is about the format and the listening experience. It is not a claim that an audio overview can replace a paper. I can imagine using it to discover which parts deserve closer reading, or to revisit a topic while away from a screen. The satisfying moment is when the conversation makes me want to open the source again with a better question.