Google's NotebookLM has expanded its audio overview feature to over 50 languages, offering a unique approach to consuming information. Online commentators have mixed feelings about the tool, praising its potential while critiquing its podcast-style delivery.

The service allows users to transform documents, research papers, and even Hacker News discussions into audio narratives. Some users find it invaluable for getting quick overviews of complex topics, particularly for learners who struggle with dense technical material. Homeschooling parents and professionals have leveraged the tool to break down complicated documents into digestible audio formats.

However, the podcast-style presentation has drawn significant criticism. Many users find the conversational approach overly theatrical, with hosts using exaggerated verbal techniques that quickly become annoying. The AI speakers often interrupt each other, use excessive enthusiasm, and repeat phrases in ways that feel artificial.

Despite these criticisms, some users appreciate the tool's interactive features. Listeners can ask questions mid-podcast, guide the narrative, and get clarifications on specific points. This flexibility makes NotebookLM more than just a passive listening experience.

The tool's multilingual support is particularly noteworthy, with nuanced considerations for language-specific communication styles. For instance, one user highlighted the subtle differences in Japanese conversational patterns, showing the complexity of creating natural-sounding audio across languages.