Roamio cuts off 5.1 sound to soundbars and receivers on pause

This problem seems to have started with the OnePass update. It doesn't happen to everyone - it depends on the exact setup. Most trick plays can cause it (rewind, etc.) but pause seems to be the biggest offender.

I've bugged TiVo about this repeatedly, and they claim they are working on a solution. Their suggested workaround in the meantime is to switch to PCM 2-channel sound, which is not really acceptable. Rebooting the TV or simply switching inputs away from the TiVo and then back...

Roamio cuts off 5.1 sound to soundbars and receivers on pause

Roamio cuts off 5.1 sound to soundbars and receivers on pause