After updating to tvOS 27 there is a popping noise that happens whenever Atmos is started (like starting an episode of a show).
My set up is currently:
AppleTV 4K 2nd Gen > LG CX > Sonos Beam Gen 2 (eArc)
LG CX settings are:
- Sound Out HDMI Arc
- Digital Sound Out: Passthrough
- eARC enabled
- Bitstream
AppleTV settings are:
- Audio format: Auto
- Spatial Audio: Atmos
- CAC: Off
If I turn CAC on, it pops/crackles instantly, and pops again when I start a Atmos show.
If I turn Atmos off, it doesn’t pop (but I no longer have Atmos)
I have tried a different AppleTV, a long with different HDMI cords, same results.
If I use the LG CX built in AppleTV app, it does not pop, even when my Sonos is using Atmos.
It all is pointing to an issue with tvOS27, since it started to happen right after I updated it.
Anyone else have any issues with this, or have any idea on how to fix it?