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Avid Contributor III
May 6, 2020
Answered

Multichannel PCM on Arc

Are you really not supporting multichannel PCM on the newly announced Arc?

Why? It’s not a licensing issue this time.

It seems like there is always something missing with your home theater products.

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Ditte
DitteAnswer
November 10, 2020

Hi all,

We hear you. With a software update today, Arc now supports multi-channel LPCM, bringing new immersive sound experiences for gaming, Blu-ray discs, and more. To get support for multi-channel LPCM on Arc, download the latest Sonos S2 update from the app store and then update your system in the Sonos S2 app. After updating the app, go to Settings > System > System Updates > Check for Updates.

All the best,

Ditte

328 replies

Lyricist III
March 3, 2021

@Basid786 that is really frustrating. I was hoping that somehow you could force your PC to output 5.1 LPCM like I did on PS5. Or make your motherboard convert the game’s PCM to DD for an output (this worked on PS4). I haven’t played PC games in a while so I’m out of the loop on sound setups there. 
 

Perhaps some kind of software could take over Windows control of audio output? Check out this thread. It is somewhat related (forcing 5.1 PCM output over HDMI). https://www.reddit.com/r/htpc/comments/77ixil/can_i_force_windows_10_to_output_51_pcm_to_my/?utm_source=share&utm_medium=ios_app&utm_name=iossmf
 

The software is Equalizer APO. Never used it, no idea if it would work but there has to be a way on PC to do it somehow. 

So i did alot of reading. No point in getting that software as all PC games output to 5.1 PCM.  I’m lost here. So frustrating. I got E-Arc, LG TV that supports HDMI 2.1 and Sonos Arc but it wont ouput 5.1 PCM on the PC. 

Headliner II
March 3, 2021

Any updates from Sonos on fixes for the LPCM issues, there was a tweet a while back that they are in active testing for the fixes. I guess they want to be sure any firmware in testing is working correctly, but jeez do they take there sweet time to fix things, this Sonos ARC will be ancient the time its working correctly.

Lyricist I
March 11, 2021

Sonos just put out a 13.0 firmware release

@ledzep1 , @GuitarSuperstar - any chance you can check if this has fixed the LPCM 7.1 to 5.1 downmixing issues?

Prominent Collaborator II
March 11, 2021

Sonos just put out a 13.0 firmware release

@ledzep1 , @GuitarSuperstar - any chance you can check if this has fixed the LPCM 7.1 to 5.1 downmixing issues?

Based on the release notes, it doesn't appear so…

 

HT: Arc + Era 300s + Subs (G3/G2) + Sony A80L + Sony UBP-X800M2
Lead Maestro
March 11, 2021

I updated the firmware and played the 7.1 audio test on my DTS demo disc… no change. Both side surround channels play the test tone, but both rear surround channels are silent.

"Receive with simplicity everything that happens to you." - Rashi
Trending Lyricist I
March 11, 2021

Did Sonos ever acknowledge the downmixing and volume level issues?

Headliner II
March 11, 2021

Did Sonos ever acknowledge the downmixing and volume level issues?

Yes I believe so, I think someone on here tweeted the Sonos ceo and he responded that they are working on it, I may be wrong though.

Prominent Collaborator II
March 12, 2021

Did Sonos ever acknowledge the downmixing and volume level issues?

Yes I believe so, I think someone on here tweeted the Sonos ceo and he responded that they are working on it, I may be wrong though.

Not so sure about any acknowledgement about the volume level issue…

 

HT: Arc + Era 300s + Subs (G3/G2) + Sony A80L + Sony UBP-X800M2
Headliner II
March 12, 2021

Did Sonos ever acknowledge the downmixing and volume level issues?

Yes I believe so, I think someone on here tweeted the Sonos ceo and he responded that they are working on it, I may be wrong though.

Not so sure about any acknowledgement about the volume level issue…

 

 

December 4th, lol.

I’m sure there was another tweet someone from sonos technicians that they have this fixed partly and its in testing.

I do find it quite poor this company takes so long to fix issues. I do realise we are in a pandemic, but sonos support who I guess work from home could keep us updated more on progress for fixes to issues.

 

Enthusiast I
March 13, 2021

For what it’s worth, I have heard from their home theater product manager that the plan is for it to be included in the July release.