Google has confirmed the frustrating bug that causes audio cut out for one minute and fifty seconds.
Pixel buds owners were proactive and inform Google regarding this issue and Google has managed to resolve it.
As per the google support forums, new firmware 552 updates are currently rolling out and that will resolve the bug.
“Thanks to all those who reported that they were experiencing audio cutouts every 1 minute 50 seconds of audio playback. The team has investigated the bug and identified a fix, which is now rolling out in firmware update v552.”