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Hi!

A few months ago I updated my Sonos Home Theater system.

I now have an Arc Ultra with Sub 4 and two Era 100.

From day one I noticed something that puzzled me: whenever I use Night Sound with Dolly Atmos content, the Night Sound mode is unusable because sound from the Arc Ultra get way louder at times (it clearly have to do with some specific positional audio elements during the playback) and also dialogues get way too low to the point they re not audible. This dialogue thing is easily solved with Speech Enhancement, but the audio fluctuations, where it gets way to loud depending on some specific positional sound effects just is an absurd.

Also, at times, surrounds get delayed creating an echo effect to the whole content.

It seems to be a software thing because this does not happen with other sound formats aside Dolby Atmos, and only happen with Night Sound on (hence I suspect this to be a software thing rather an hardware issue).

Any clues?

Does anyone has the same experience?

I believe it would be great to get this feedback forwarded to Sonos.

Thanks in advance. 

Have you applied the latest firmware update? There were  some issues related to the Ultra included with this update.

There is no prompt for it, so check for updates through the app’s settings.

Hi,

I have the exact same issue. I just checked and have the latest update installed, so this has not been fixed yet.

see if make adjustments in the app like speaker vault down to 90% and the audio lag settings ,delay, dialog Sync it took me a while to not be afraid to tweet these settings but you have to for your personal taste. I hope that helps.

ps : I just starting using the power settings in my amp playing vinyl and it makes a big difference if its not to high or to low and using a good preamp music comes alive.

I am having the same problem. Turning off night mode worked for me too. I only noticed this issue for the first time this week. 

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