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Frustrating issues with ATV4k and Denon X1400h: appletv



Hi,

I recently received some new hardware: An ATV4k, Denon X1400h and Vizio P65-f1. I have set up so that ATV -> Receiver -> TV. I have had some serious issues with sound, and I'm at the end of me and hope someone has some advice.

There is periodic sound coming through the speakers when the ATV seems to be in a kind of "native" mode of audio output – I rarely get navigation click sounds or sounds from apps / shows that do not send any kind of higher quality (? ) sound like Youtube or any show on the Bravo app. But if I do something as simple as reading Netflix, "autoplay" will fire up and I get sound. I also get sound with content I play through Plex / Infuse.

I thought this could have been an HDMI cable problem. I used Monoprice Premium Certified cables and eventually broke down and bought the Belkin cable from Apple for no avail. I plugged in an old Fire TV stick to the receiver and got the same issues with not getting navigation clicks.

The kicker here is that if I go direct ATV -> TV, or even just close the receiver and pass through the signal, I hear navigation clicks and other sound just fine through the TV speakers.

So I thought this might be a problem with the receiver. But then I tried to connect my Macbook Air (Mini DisplayPort -> DVI -> HDMI) straight to the receiver and I got the sound to play out the speakers.

If I press the "info" button on the remote control, I get some info saying "signal: unknown" when I am on the tvOS home screen (without sound). For example, if I turn that button on when Netflix is ​​autoplaying, it says "signal: PCM".

I've tried all different types of configurations, cable swaps, diagnostic tests, and the sound problem I describe just keeps happening unpredictably. Does anyone have any other ideas?

Thank you.


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