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I am still on tvOS 14.7 and I let the apps update, since I believe it is a tvOS or hardware problem. I am thinking that if the latest tvOS makes the issue much worse, then swapping with the Gen 1 ATV4k will not give me any visibility into Apple fixing the problem unless I swap it back to my...

I found another decent thread on this issue: Netflix Dolby Atmos problems with new Apple TV 4k There was some promising info on page 5, but I'll believe it when I see it.

Is there any way to stop the frequent update nag screens? I assume not, because it's Apple. If the Atmos problem gets much worse, I can always swap with my Gen 1 ATV4k (but keep the Gen 2 remote). I also have the AndroidTV apps in my Sony TV that support DV and Atmos, and I believe the new Roku...

You make some good points. My setup is ATV4k 2nd Gen --> 3' HDMI cable --> Denon X4300H. I considered the possibility that the problem was due to a ATV4k/Denon compatibility issue, and even considered connecting my ATV4k through my Sony TV thinking the TV might be able to correct any Atmos HDMI...

Thanks. I didn't hear a technical reason for the 6 foot HDMI cable being better than a shorter one, so I remain doubtful. There was a vague mention of HDMI equalization needing time to work, but an extra meter only gives an extra few nanoseconds, so that doesn't sound right. I do know about...

I'm still on tvOS 14.7, though the constant nagging to update is quite annoying. My iPads don't constantly bug me to update. Well, that's why I won't get an iPhone. I only got the ATV4k as I wanted a premium external streamer that supported LLDV, or Low Latency Dolby Vision, the only external DV...

I have often heard the audio ticks in the first seconds of starting a DV/Atmos stream as the stream is buffering and ramping up quality, but that always clears up within about 10 seconds for me. It is the random return of those audio artifacts and complete dropouts that require restarting the...

I have had it happen on very dark scenes in Atmos/DV programming, so I didn't think it required higher video stream bitrates, which I assumed DV and HDR tended to be, so your observation of the problem occurring during a non-HDR program isn't very surprising. I have never observed the problem on...

I don't buy the "short cable causing problems" comment. The only issue a short cable might cause is if it produces too much strain on the connectors due to routing limitations. A 3ft cable is already multiple wavelengths of the HDMI signal, so longer lengths will result in increased signal...

I was hoping the gen 1 remote would work on the gen 2 ATV4k if I decided to swap units. But yeah, the gen 2 remote is the only real "upgrade" in the gen 2 upgrade, yet they still managed to leave a lot of room for improvement there. I don't see how a better HDMI cable could help, since there...

Thanks for the info. That makes a lot of sense. I was puzzled because my Denon receiver says it is receiving an Atmos signal, yet the ATV4k still manages to screw it up. I didn't think the ATV4k was decoding the Atmos as I never hear it adding its own sounds/beeps while streaming Atmos. I too...

Since both of us had the Atmos issue much more frequently with our original units, I believe there was something different about them, not that it couldn't have been a greater sensitivity to a S/W issue. If most current units exhibit the audio dropouts as infrequently as our replacement units, I...

The reports I came across on the gen 1 units didn't seem all that consistent or directly related to the issues I was having on my gen 2 unit. I didn't give them much credence as there are so many variables involved, including the possibility of Atmos teething issues, and because I had no issues...

My point was just that the Atmos in the ATV may not have been as thoroughly developed and tested as other formats. My counterpoint was that I don't see why there should be any Atmos issue if the ATV just passes the bitstream on to the receiver for decoding. Perhaps the receiver plays a larger...

My Note 10+ also has Dolby Atmos, but I don't believe Dolby Atmos or spatial audio with Dolby Atmos for headphones and phones is the same thing as discrete multi-channel audio with Dolby Atmos for home theater use. It seems like overkill for a phone to take a 5.1 audio track and process it to...

The ATV is probably Apple's only device that does Atmos, though. I am curious if the ATV does more than just pass the Atmos bitstream on to the AVR, which I wouldn't have thought takes much processing power. The reason I bring this up is that at the start of a video stream I often hear audio...

We are talking about Apple. If they say anything it will likely be that we are listening wrong.

I believe the problem to be a combination of H/W and S/W. I did have the Atmos audio cut out twice on my replacement 2nd gen ATV4k the past two days on Netflix (didn't stream any other services lately). On my launch day 2nd gen ATV4k the Atmos sound typically cut out multiple times per hour, on...

We will have to agree to disagree on whether or not there was ever a H/W issue. My replacement ATV4k does not have the Atmos issue present in my launch day unit. My gen 1 ATV4k had no Atmos issues ever, so that would tend to rule out S/W and tvOS. If your Atmos problem returned just recently...

That's my plan. There is nothing in tvOS 15.x that I care about. It would be nice to get rid of the update notifications, though. I have watched the entire 1st season of The Witcher without issue with my replacement ATV4k, where I was having multiple Atmos dropouts per episode with my original...