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matmatmat
Contributor I
February 20, 2022
Answered

Echo when playing surround after a while

Hi. 
I own Sonos beam + 2x SL One as surround sound system connected to TV (thru hdmi). All speakers are connected to internet thru wifi (router has channel 11, sonosNet also 11). 
 

Randomly during day, while watching movies or youtube videos (philips android TV), one or both ( i cannot say just from listening) SL speakers delays few ms themselves and we can notice annoying echo there. 
 

From my investigation a solution for me is to go to Sonos app → Settings → Surround Audio - switch Off and On again. And this helps. 
 

I sent diagnostics logs today (nr. 1146608852 , nr. 2094903246 ). 
 

Can somebody investigate this and help me what can cause this issues? Sometimes happen 4-5x per day. 
 

I have all my 3 devices in same room (grouped to one room virtually as well). 
 

 

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Corry P
Corry PAnswer
Sonos Staff
February 24, 2022

Hi @matmatmat 

Welcome to the Sonos Community!

Your Beam is continuously having to change the 5GHz WiFi channel it’s using to communicate with the surround speakers. This is most likely the cause of the issue you experience, and is likely, in turn, to be caused by a nearby device also transmitting on 5GHz - most likely your router or a WiFi access point/extender.

Judging by the signal strength your Beam receives from the router, I’m guessing they’re close to each other - if this is the case, please separate them by as much distance as is practical, and by no less than 1 metre (3 feet).

If relocating your router didn’t help, then I recommend you tell your router to not switch 5GHz channels automatically, and instead stay on one specified channel. Your Beam will then choose another.

I hope this helps.

 

"Common sense is the collection of prejudices acquired by age eighteen." - Albert Einstein
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GuitarSuperstar
Lead Maestro
February 20, 2022

Is it just a random try or it’s connected to some known issue this approach? 

Rebooting those devices can potentially clear out any software or network problems that could be causing the issue.

"Receive with simplicity everything that happens to you." - Rashi
matmatmatAuthor
Contributor I
February 20, 2022

Ok I’ll try it. But anyway i’d appreciate admins could investigate real issue cause from my logs ;)

Corry P
Corry PAnswer
Sonos Staff
February 24, 2022

Hi @matmatmat 

Welcome to the Sonos Community!

Your Beam is continuously having to change the 5GHz WiFi channel it’s using to communicate with the surround speakers. This is most likely the cause of the issue you experience, and is likely, in turn, to be caused by a nearby device also transmitting on 5GHz - most likely your router or a WiFi access point/extender.

Judging by the signal strength your Beam receives from the router, I’m guessing they’re close to each other - if this is the case, please separate them by as much distance as is practical, and by no less than 1 metre (3 feet).

If relocating your router didn’t help, then I recommend you tell your router to not switch 5GHz channels automatically, and instead stay on one specified channel. Your Beam will then choose another.

I hope this helps.

 

"Common sense is the collection of prejudices acquired by age eighteen." - Albert Einstein
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