Sonos Arc lip sync issues.



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^ Thanks, I had heard something about this pass through. I have checked the XF90 and cannot see this as an option on my TV within the menu structure.

Since my last post on this i have carried out some testing on mine.

i have a Sky Q box, Sony XF90 and the Arc.

All my apps on the TV work fine without any sync issues, as does my Panasonic BD player.

I removed everything on the TV that looked like it was processing the Audio, I managed to get some gains.

BUT, one of the tests I did was play the Sky box into the TV and use the TV speakers. Guess what, the lip sync was there at that point. 

So, my problem is not the ARC per se, but, the issue has already started before the ARC. I cannot use the optical out on the Sky box as I have other inputs I use on the TV and I am not going to swap wires every time I want to watch something different.

The solution here in my mind was very simple. Why can't these devices (Sky, TV, ARC) have a +/- on their li sync setting. That was the users have the ultimate way of dialling out the issues on their systems. Also, get the ARC to have multiple inputs and use the ARC as a traditional “switching unit” like a true AV receiver. To me it all seems simple.

 

Some TV manufacturers have resolved these issues by allowing ‘pass-through’ on the HDMI/Optical ports and so the connection passes to the Receiver without any processing or interruption from the TV - a bit like bypassing the TV with an audio splitter. 

Since my last post on this i have carried out some testing on mine.

i have a Sky Q box, Sony XF90 and the Arc.

All my apps on the TV work fine without any sync issues, as does my Panasonic BD player.

I removed everything on the TV that looked like it was processing the Audio, I managed to get some gains.

BUT, one of the tests I did was play the Sky box into the TV and use the TV speakers. Guess what, the lip sync was there at that point. 

So, my problem is not the ARC per se, but, the issue has already started before the ARC. I cannot use the optical out on the Sky box as I have other inputs I use on the TV and I am not going to swap wires every time I want to watch something different.

The solution here in my mind was very simple. Why can't these devices (Sky, TV, ARC) have a +/- on their li sync setting. That was the users have the ultimate way of dialling out the issues on their systems. Also, get the ARC to have multiple inputs and use the ARC as a traditional “switching unit” like a true AV receiver. To me it all seems simple.

 

I am also having the same issue with my brand new Sonos Arc and new Sony Bravia XH90 TV. It is really upsetting having spent so much money and then to have these lip sync issues. In TV Apps work fine but there is a noticeable lag when watching from my Virgin box.  I would not have cashed out on a Sonos setup had I known this issue was going to occur. Also frustrating that older Sonos products will not work on the new S2 App. Seems like a money making exercise to me.

 

As others have mentioned, the HD Fury Arcana is being mooted as the solution, allowing external devices such as SKY/VM boxes to bypass the TV and direct sound straight to the soundbar. I really think that Sonos need to release a similar device free of charge to us.

Just out of interest, those of you who have upgraded from another Sonos product to the ARC and then suffered lip-sync issues, what was the other product, did it work without lip sync and what was the sound like compared to the ARC please?

I have the same issues. I have written to my retailer to kick off a support query, but, I want to be ready to send the ARC back and swap to a previous Sonos product, hence the questions above.

Thanks, Dave

Ok so let me get this straight this a premium soundbar that cost $1000 has audio delay issues and no 2.1 HDMI pass through on the soundbar?! What idiot thought that would be great idea? I was going to pick this up, but not now, I also smell a class action law suit because the product is obviously broken and cost is premium and maybe you can get away without the 2.1 HDMI pass through, but those audio sync issues are a problem and at that price Sonos is basically stealing people’s money for a broken product this just absolutely disgusting business practices.

I am having the same audio delay issues with Arc. I have an LG B8 Tv, AppleTV 4k.  all audio processing is turned off and set to bypass.  I have a noticeable delay, especially on Atmos content.  Tried everything.  It’s very difficult to tell if its the TV or the Sonos.   I previously had a Sonos Beam connected to the same TV and had no issues.  

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I have recently purchased the Philips805 and Sonos Arc.  The TV apps work perfectly with the TV and sound bar, I am getting Atmos DD+ which is great on Netflix. 5.1 and other formats also all work perfectly whilst watching the streaming apps. Now here is where the problem starts. When watching TV via my V6 Box I get lip sync issues with all 2.1 and 5.1 TV shows/films etc. Stereo works perfectly fine and last night I surprised to see I had no issues when watching BT Ultimate, which gave me Atmos DD+.

The only way around is to connect the optical cable to the from the V6 Box to the Arc. This way fixes all the lip sync issues with 2.1 and 5.1, but I then lose all sound on the TV apps such as Netflix, Prime etc and also lose Atmos DD+ on BT Ultimate. I don't mind changing the cables in the Sonos Arc short term, but I want a long term fix.  I brought the Arc to keep things simple and clean, I love the sound but not the faff it is causing. I never experienced these problems on my previous set up.

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HI @ekkoville.

Welcome to the Sonos community and thanks for reaching out to us. 

I would suggest going over the recommendation above so we can do multiple comparisons on the Sonos’ behavior in each situation.

Hi @richiemiami.

Welcome to the Sonos community and thanks for reaching out to us.

I would recommend the following steps so we can do a comparison of the data that will be received as well as we can check what is going on with the ARC.

Please take note of the confirmation number in each situation. this may give us a lot of information so we can check how the ARC behaves in each scenario.

Please let me know how it goes. We are always here to help.

Thanks,

 

Please let me know how it goes. We are always here to help.

Thanks,

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Hello all. Seems like this is the most current chat on the audio sync issue with the ARC.  Not trying to hijack the thread, but just keep a current single documented conversation.  
 

I have a new setup with an existing Sony XBR TV and a new ARC, Sub and two Sonos One’s.  I am also getting the lip sync issues with every source I have tried- Apple TV, Xfinity boxes, and in TV apps like YouTube TV.  I first thought it was a YouTube issue until I saw it in the Xfinity Flex box, then the Apple TV.  I also have tried the optical adapter with no luck and I’ve been exclusively using the Sonos cable.  I haven’t submitted a diagnostic yet, I will do so tomorrow.  What is bad is that Sonos says if the audio lags the video, which it does, they have no solution.

 

And now for the worst part- I used the Sonos trade-in program at Best Buy to upgrade older Sonos pieces.  Now I’m seriously thinking I need to return this kit if I cannot find an acceptable solution.  But, then I don’t have my old products back in return.  So what is the Sonos solution for this?  If I return the ARC, et al, I then have nothing. 
 

Erik
 

 

Userlevel 6
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Hi @richiemiami.

Welcome to the Sonos community and thanks for reaching out to us.

I would recommend the following steps so we can do a comparison of the data that will be received as well as we can check what is going on with the ARC.

Please take note of the confirmation number in each situation. this may give us a lot of information so we can check how the ARC behaves in each scenario.

Please let me know how it goes. We are always here to help.

Thanks,

 

Userlevel 1

BTW we used to fix lipsnyc issues with data compression whether it was compressing or not compressing the data - however that doesn’t fix the issue on the ARC

 

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been a Sonos dealer since 2007 and I can tell you the ARC sound bar has a lot of problems. I noticed the lipsync issue with Samsung TV too and also have noticed with Samsung TV when you play music not the Arc and then trying to go back to TV it will tell you it cannot connect. What I do to fix that issue is simple turn off the TV and then change the input to TV and then put the TV back on. BTW I find it disingenuous when Sonos reps post and tell us they don’t know what we are talking about for they knew very well whats going on. BTW the sound on the ARC soundbar is not as good as the Playbar for me anyways. And why did they put the volume and pause button on the top of the ARC soundbar when most mount then really really close to the TV (sometimes even touching)

 

Yep tried all of the correct procedures but no joy, contacted Samsung who’s reply was it’s a Sonos problem. If I can’t find a solution I will be returning the arc.

If you do not have eArc on your TV or have lip sync problems, here is the solution.  An adapter that sits between video source and Sonos arc!  it's time for Sonos to start promoting this product, for your own sake. https://www.hdfury.com/product/4k-arcana-18gbps/

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Hi I have already returned the arc and gone back to the playbar with no issues.

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Hi @electrosim2001.

Thank you for a very detailed response. I could not agree with your point enough.

I would be morethan happy to send this to our engineering team as a feature request. However, Just to set your expectation you will not be notified but what we can do is to subscribe to this thread and check our announcement from time to time for any updates or accessory release just in case we have anything that may relate to this concern since Sonos were made to serve only (one master) to which ever it is plugged into via either the optical cable or HDMI cable. This is a good point as well either to release an update for a little HDMI hub exclusive for Sonos devices as well an a mini switch on the app for the Sonos device to switch from any HDMI option input option on the Sonos app as this can be quite impossible to be done automatically if for example both the TV and a cable box feeds the same signal going through the hub,

Please let me know if you still have further questions or concerns.

 

 

Hi @kirasallypip, @Longcn @slidchapman.

Welcome to the Sonos community. Thanks for reaching out to us.

I would like to clarify that Dolby Atmos is only available to the Sonos Arc and having this feature on the Sonos Arc does not translate all video coming from the TV or from any other source to generate Dolby Atmos unles we can verify that the audio we have on the TV is encoded with Dobly Atmos. Everything still depends on how the video is coded and what signal does the TV receive and generates towards the Sonos Arc. 

However for the Lipsync issue, I would like to recommend  to submit a diagnostic and here’s how (while there is audio coming out of the arc), so we can further check what could possibly be causing this audio delay.

Please let me know how it goes.

Thanks,

 

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Hi,

I have the exact same problem ( Paul A   Please note )

I bought the Samsung Q90r to use with my Beam and 2 x 1 surrounds. I was hoping to next upgrade the Beam by purchasing the Arc. 
The problem is not cable related as I understand it but is due to the TV’s inability to pass through 5.1 digital audio fast enough to maintain lip sync plus the fact that the Beam and the Arc have only one input so that the digital feed cannot go from the SKYQ box into Sonos soundbars first and then proceed to the TV ( as is common with most high end soundbars and AV amplifiers )

PCM stereo can be fed into the TV direct from SKYQ and there will be no lip sync problems when passed through from TV to soundbar but that setting is just vanilla stereo. 
 

With the Beam you can get round the problem by using optical cables from SKY, TV, and XBox etc and by using an optical switch to independently feed 5.1 surround from each device direct to the Beam. 
You can also do the same with the Arc but what you can’t do specifically with the Arc is utilise Dolby Atmos as optical cable can’t carry the Atmos signal. Dolby Atmos requires the use of  arc or earc HDMI direct from source to Soundbar. There are currently no HDMI arc/earc switch boxes although HDFury are currently developing one. 
 

So currently the options are

Feed SKYQ into TV with a SKYQ set to PCM and you can get Dolby Atmos from the TV apps and stereo from SKYQ using the Samsung’s passthrough. 
Or use optical cable and optical switch box to get 5.1 digital from TV and SKYQ but no Dolby Atmos. 
Or use the arc port on the TV for TV  apps ( Amazon/Netflix ) and unplug the HDMI arc cable from the Soundbar and  plug in the SKYQ optical cable ( with Sonos optical/HDMI adapter ) when you want to use SKYQ. 

Samsung were wrong to say it’s a Sonos problem. The Samsung TV doesn’t passthrough Dolby Digital signals with correct lip sync. Video is ahead of audio and can’t be adjusted. 
 

However I do think that Sonos made a big mistake with their Arc soundbar in only having one port. This high price Dolby Atmos soundbar should have have had several input ports and arc HDMI to allow for direct input from several devices that potential customers are very likely to have and  that would eradicate any lip sync problem. 

If HDFury succeed in making a suitable   HDMI arc switch box the problem is solved ( though not inexpensively )

I would think it would be in Sonos’ interest to look into developing their own HDMI arc switch box or by  bringing out an Arc Mark II soundbar with sufficient ports to cater for satellite/ cable, Xboxes etc
I intended to buy an Arc soundbar but for now though “I’m out”.

BTW the Beam plus 2 x Ones surround speakers sounds superb  

SKQ

Bluray

Samsung Q90r TV

Inexpensive 3 way optical switch box with remote  

Dolby 5.1 surround from all sources  

 

I have the same problem with a new LG TV, sky, ARC.

It is beyond me how after such long product development, and with such a standard (at least in the UK) they cant sort this out.

I think Im going to have to return my Arc as well.

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Yes very frustrating, in the end I weighed up was the cost and quality worth keeping the arc! No was the outcome so it’s gone back and I’ve gone back to my Sonos playbar with no problems. 

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I have had lip sync issues using skyQ with my Sonos Arc. Spent many hours trying different HDMI cables, different inputs on the tv as well as the many settings on the tv but to no avail. I have Philips OLED tv and no issues using tv apps like Netflix. (Funnily enough had no such issues with my 4 year old Samsung that was previously connected with the same set up.) I have found a workaround and it involves changing the skyQ sound output to “normal” rather than Dolby digital or Dolby digital plus. No sound delay at all but obviously losing sound quality as a result. It seems to me to be an issue with the tv processing the Dolby digital sound. Not sure if this is something that Sonos can get round with an update or Philips have to resolve but very frustrating.

 

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Does your tv have eARC?  I have read elsewhere that there are well known issues with lip sync and sky q over hdmi.  I have no lip sync issues at all with my Xbox one - LG C9 - Arc setup. All internal Tv apps are spot on.

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Not much point if I bought the arc for Dolby Atmos!

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Have you tried connecting the TV to the Arc using an optical cable and the supplied adapter?

Userlevel 6
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Hi @kirasallypip.

I would suggest calling our customer support team, so we can be dig deeper on what's causing this problem and to further troubleshoot and understand what is going on with the lips sync on your Sonos Arc.

Thanks,

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I have the original cable that came with the arc no joy! I’m thinking of going back to my playbar and returning the arc. I’ve seen lots of posts with the same problem.