Comment by lyu07282

They mention that in the FAQ here: https://github.com/microsoft/VibeVoice/tree/main?tab=readme-...

> In fact, we intentionally decided not to denoise our training data because we think it's an interesting feature for BGM to show up at just the right moment. You can think of it as a little easter egg we left for you.

It's not a bug, it's a feature! Okaaaaay