Earlier quoted context omitted.
From the "Help" modal: "Illuminate is an experimental technology that uses AI to adapt content to your learning preferences. Illuminate generates audio with two AI-generated voices in conversation, discussing the key points of select papers. Illuminate is currently optimized for published computer science academic papers. As an experimental product, the generated audio with two AI-generated voices in conversation may…
Wow. I did not pick anything in the voice as a clue that it's generated. So does it make it current best text to audio system?
If it was shorter audio and I wasn't prepared for it to be AI, it would definitely be harder to notice.