A new AI Labs hub is also rolling out. New additions for YouTube Premium usersHere's a look at what's new:High-quality audio: YouTube said Premium subscribers now have enhanced audio while watching official/premium music videos and art tracks on Android or iOS devices. Previously, this audio was only available in the YouTube Music App and as an opt-in experiment on YouTube. In Labs, YouTube said, a limited number of US-based participants will have the opportunity to test early prototype features and help shape them before they launch. The first experiment, YouTube said, is an AI music host that's designed to share relevant stories, trivia, and commentary about your favorite music on the YouTube Music app.