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Sonos arc ultra - losing sound

Hello, I replaced an old playbar that never failed with a Sonos Arc Ultra.

My new current settings:

Sonos arc ultra 

TV sony xf9005

Apple TV 4K first generation

Connection Sonos arc to tv - hdmi ARC, Apple TV to Sony TV - hdmi cec

Unfortunately, this is the beginning of my problems.

As I change the channel there are no sound. Then I change the channel again and the sound comes back. When I pause what I’m watching  it loses sounds when I resume. Sometimes help me pause and play again and sometimes i must restart movie. 

I have reset the system, unplugged, changing hdmi cable, update firmware etc... (all recommended things by sonos chatbot)

I contacted sonos support with chat and they told me that the problem is known and caused by the last update and that it should be fixed but they don't know when.

I am very disappointed, I wanted to enjoy the new equipment and not wait for an update that will come who knows when.

Gen 3 sub has lost its power with arc ultra

Set is lg c3 65 inch

EARC HDMI 

ERA 300S

MY SUB MINI HAS DEEPER BASS NOW. PLEASE CORRECT THIS.  

 

I too am experiencing this issue. I've installed the soundbar today (to replace a sonos amp) and now I'm getting issues with no sound when changing channels.

 

A simple workaround I found was to go in the sony tv speaker settings, and select audio through the speakers. This apparently causes the soundbar to resync.

 

But, this should be addressed. Never had such an issue with other sonos gear.

The issue is actually quite easy to reproduce from the Xbox sound testing menu. There are actually two issues:

  • no sound is emitted after enough switching to different audio formats (E.g. flipping between stereo, dolby and dts)
  • The volume of the central channel is almost twice as loud as the volume of the other speakers.

I will keep the soundbar a couple of weeks to see if a patch is released to address at least the first issue (as that makes the arc ultra unusable). Let's see what happens. I have also recorded a video of it happening, but it seems like videos cannot be uploaded here.

 

Upload it to a sharing site and post the link here?

<Link removed>

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