Audio drop when entering/exiting TiVo Central

There's a momentary audio drop-out when I switch to TiVo Central (TiVo button) or return to content (Zoom or Live TV button), when I have preview window enabled.

But I notice that when I enter and exit the Guide, the audio remains completely stable, and it seems to be a very similar thing - most of the display is TiVo's own content, with program content moved to the small preview window in the upper right.

So the glitch doesn't seem inevitable when moving to/from the preview window.

I...

Audio drop when entering/exiting TiVo Central

Audio drop when entering/exiting TiVo Central