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Contributor I
July 17, 2018
Answered

Sonos beam lip sync issue

Setup the new beam today, no problem getting it working. Problem is with lip sync - I have a Samsung UHD 8000 series with Sky (in the UK). Beam is connected via ARC. Tried adjusting delay via the app and TV and can’t get it to sync, so really frustrating. Any ideas? Didn’t have this problem with the Playbar (connected via optical). Thanks Toby
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Ryan S
Ryan SAnswer
Retired Sonos Staff
July 18, 2018
I'd like to suggest again that you take the time to give us a call so we can look into this closer.

In the meantime, would you mind submitting a diagnostic from your Sonos system and replying back with your confirmation number while you're getting these sync issues? I'll send them up to the team to look into just in case something is being flagged there. We've seen similar issues with certain TVs not handling Dolby Digital audio quickly enough and sending it slightly delayed. If this is the case, setting to Stereo or PCM would resolve the issue, as would using an HDMI switch instead of the TV. However, this would make the CEC commands not work from Beam.

Please note what TV model you're using here, and also, how the Beam is connected to it.
Mark good posts by pressing the like button, and select the best answer on questions you've asked to help others find solutions.

71 replies

Lyricist I
January 11, 2019
Hi

My Beam arrived today. I’m using it with Sky Q 2TB and a Samsung UE55JS8000. I’m experiencing the same lip sync that you all appear to have and it would seem there is still no solution. Using the optical cable gives a slighter better result but I lose the ability to use my remotes with the Beam. Has this issue been progressed at all or I doomed to watching in stereo for some time to come?

Thanks
Trending Lyricist I
January 13, 2019
Similar to other people I am getting significant lip sync issues. In my case the sync drifts in and out. I have the Sonos Beam, Sub and two Play 1’s at the rear, tv is a Panasonic FZ802b OLED connected to the Beam using ARC, Sky Q 2TB is the source. Previous Samsung sound bar had no issues with lip sync. The fact that the lip sync drifts in and out makes it impossible to resolve. Have tried the delay settings on both the Sky Q box and in the Sonos app but no combination cures the issue. Deeply frustrating after spending this amount of cash on a premium system.
Ken_Griffiths
January 13, 2019
Similar to other people I am getting significant lip sync issues. In my case the sync drifts in and out. I have the Sonos Beam, Sub and two Play 1’s at the rear, tv is a Panasonic FZ802b OLED connected to the Beam using ARC, Sky Q 2TB is the source. Previous Samsung sound bar had no issues with lip sync. The fact that the lip sync drifts in and out makes it impossible to resolve. Have tried the delay settings on both the Sky Q box and in the Sonos app but no combination cures the issue. Deeply frustrating after spending this amount of cash on a premium system.The Sonos Beam can only play the audio stream when it has been processed by the TV and passed out through the HDMI-ARC or Optical Port .. some TV's seem to do better via the Optical port and others are faster via the HDMI port... so perhaps try the Optical port in your case.

It’s sometime also helpful to turn off extra audio features on the TV like extra Bass Boost Settings or wide surround sound etc. So if you have such things, then turn off those enhancements. Ultimately most brands/models of TV have no lip sync issues with the Beam and it really is often down to the TV manufacturer to process and output the audio out its connected port in good time.

Check online for any TV firmware/software updates too, as often the latest update may fix such issues.

Hope thes few suggestions help you to resolve your lip-sync issues. I really do appreciate how frustrating these things can be.?
Lyricist II
January 21, 2019
I have just bought a beam and two play:1s as a surround system. I have connected the beam to my panasonic tx-40dx700b tv using the hdmi-arc connection. I have a skyQ 2tb box connected to the TV using HDMI.

I am seeing this exact same lip sync issue. With the setup as above, when I watch to dolby 5.1 from the sky Q, I get fantastic sound from the beam, but with a delay of about half a second. No additional amount of delay can fix this! When the sky Q is set to output stereo, there is no delay.

I get exactly the same when I connect the beam to the TV's optical output.

If I connect the beam to directly to the sky-Q optical output, the lip-sync issue goes away, but I can then only control the volume via the sonos app on my phone, and I get no surround sound when

Interestingly, if I watch from an app on the TV i.e. amazon prime, 5.1 on the beam works flawlessly.

As others have said, the issue goes away when not in 5.1 mode, but then what's the point of having bought an expensive surround sound system?

Has anyone found a solution?


I had the same problem with the Samsung UE40NU7120. I've connected the Sky Q directly to the Beam via the optical cable. In the Q settings you can change the volume button on the Q remote to operate the Beam (make sure you use the tv control to turn the TV speakers down to zero first so you don't get an echo). When you turn the TV off you need to do one short hit on the power button to turn off sky followed by one long one to turn your TV off otherwise the sound keeps playing. You then use Sky Q for Netflix, Youtube etc and everything works fine. I'm awaiting delivery of a second Optical adapter which I will connect to my Xbox - I've also bought and HDMI splitter switch so I can easily switch from the SKY to Xbox outputs when I want to use the xbox. The Xbox also covers Amazon prime. With that set up i'll have everything playing through the Beam (obviously TV apps don;t work but as mentioned I have the one's I want from other sources) without the delay caused by the TV's ARC control. It's a bit of hassle but works and the sound from the Beam is so superb it's worth the effort. Samsung should be upset that I'm not using more of their apps but it's on them to fix the problem, the Beam can't process the sound until they receive it.

Hope that helps.
Enthusiast II
February 4, 2019
I've also just purchased a Samsung UE40NU7120 and I'm getting exactly the same issues. When I connect the Beam directly to the TV there is a noticeable audio delay on channels with Dolby Digital sound, but when I connect the Beam to either of my source boxes (I have a Humax HDR-1100s Freesat box and a Virgin V6 cable box) the delay disappears - the video and audio are perfectly in sync.

This leads me to conclude that the delay is being introduced by whatever extra processing the TV does for Dolby Digital audio.

I can work around this issue by keeping the Beam connected directly to the source box(es), but because I have more than one and the Beam only has one HDMI port, I have to keep changing cables every time I switch between the two sources. Clearly not an acceptable long-term solution.

I’ve contacted Samsung customer services but they don’t seem to have any solutions other than the bleedin’ obvious (factory reset, software update, tinker with the audio delay settings), none of which work.

Unless Samsung have a eureka moment in the next few days I will be returning this TV and buying one from another manufacturer - any recommendations?

It's a shame because the picture quality of this £330 TV set is superb.
Lyricist II
February 4, 2019
I bought one of these HDMI Switch - Techole... https://www.amazon.co.uk/dp/B076VJ7XZV?ref=ppx_pop_mob_ap_share

One button and you change the source for your sound. With the sources connected directly the sound / picture combination is superb.
Enthusiast II
February 4, 2019
Thanks but I'm not really interested in using a workaround for this. If Samsung can't get their TVs to output audio and video in sync then I'm going to take my custom elsewhere.
Lyricist I
February 10, 2019
I bought one of these HDMI Switch - Techole... https://www.amazon.co.uk/dp/B076VJ7XZV?ref=ppx_pop_mob_ap_share

One button and you change the source for your sound. With the sources connected directly the sound / picture combination is superb.


I have a Samsung NU800D with a Beam, Fire Stick 4K and an Xbox One hooked up. If I were to pickup one of these switches, how would I configure the setup? Do I just plug the HDMI from the beam into it, and then plug the switch into the HDMI 4 (ARC) slot? How does the switch fix the lag? Sorry, I’m not the most tech savvy. Thank you!
Lyricist II
February 10, 2019
Hi dmogren10,

I’m an amateur too! In my case I have two external sources (Sky and Xbox), the switch allows me to connect them directly to the Beam, thus cutting out the issue caused by going through the TV. If your Firestick via to Ark to Beam works perfectly and it’s only the Xbox that is having issues then I presume you should be able to route that Arc out hdmi cable into the switch, as well as the Xbox hdmi out. Then connect the switch HDMI out to the beam. Any time you want to use the Xbox you effectively hit the switch button and create its own direct connection to the Beam. If the firestick is lagging in its own right then I can’t see the switch would fix it. Hope that helps.
Lyricist I
February 10, 2019
Hi Lukep1,

Thanks for the response. So you’re effectively eliminating the TV from the equation. That makes sense, but the Firestick is my biggest concern. I don’t think it’s possible as the Firestick doesn’t have an HDMI in to allow direct connection to the Beam. Let me know if I’m missing something. It’s so crazy to me that Samsung and Sonos can’t fogure this out! Thanks again.