From my experimentation I can confirm that 19.4 and up has the issue. Although the stutters can be very uncommon (like maybe takes 30mins to get one), but sometimes more frequent as well.I tried a bit of 19.1 and 19.2 with no luck replicating the issue. I'll try to do more thorough experimentation, but according to my quick tests, I'm thinking either 19.3 or 19.4 caused the issue. Although I have not tested nearly enough yet to say this for a fact.
But at least I've been able to watch a full movie without an audio stutter. And this would never ever happen to me with 19.4 and up.Also, you said E-AC3 Atmos. I think I remember the issue happening with E-AC3 Atmos as well, but I've only been testing TrueHD Atmos for now.
Might have finally fixed the issue using latest Maven's build AND applying those settings on my Shield 2019 pro:
RECOMMENDED SHIELD AUDIO SETTINGS
- Dolby processing = OFF
- Match content resolution = ON (only in FW 9.x)
- Audio video sync = 0 ms
- Play comfort noise on HDMI = OFF