Audio sync issue

David l

I am experiencing an audio sync problem when I connect two groups of speakers. Here’s the setup and issue:

  1. First Speaker Group: A soundbar with a subwoofer and two rear speakers for home cinema.
  2. Second Speaker Group: Two small speakers.

Problem:

  • Audio starts in sync but then delays occur between the two groups over time.
  • This happens using Spotify and also during video playback via HDMI when adding the second group.

 

  • I usually ungroup and group them again to reset that sync issue, 
  • I sometime have to kill the app and restart it (iOS) to reflect the grouping as the group is something not refresh on the app.

 

Thanks in advance for any advice 

 

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Comments

9 comments

Date Votes
  • Official comment
    Seppi Evans
    Hi-Res

    If you haven’t already refreshed your network, that the first thing I would try

    To reset your network the following sequence is recommended:

    Power off your Bluesound devices.

    Power off your Router and wait five minutes (very important) before turning it on again.

    Wait another five minutes for the Router to be fully up and running.

    Now power on your Bluesound devices but start with the soundbar and when that’s running, the subwoofer followed by the others.

    If the issue persists then in the BluOS App Please select Settings, Send Support Request so the Bluesound Support Crew can review the log file and take a closer look.

  • Bodi

    Don't forget to hardwire your speakers. Bluesound WiFi is just... not that good ;)

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  • David l

    Yes it worked... during 1 hour and then back again. 

    It's becoming worse and worse to be honest, when I bought these speaker this was working as expected, and I got more because I was satisfied of these, but now, each time I want to gather my speakers I face this sync issue. 

    I will submit a ticket 

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  • Seppi Evans
    Hi-Res

    Do also have a look to see if there is a setting on your Router called Multicast or mDNS, this needs to be turned on.

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  • David l

    Thanks for the feebdack. 

    The soundbar and subwoofer are wired with Ethernet cables. The two home cinema speakers connect wirelessly to the soundbar's WiFi. The other two speakers use the router WiFi.

    I have a Synology router and made a special WiFi network just for the speakers to make sure they use a faster 5GHz connection. All these speakers are in the same room as the router, and it's hard to connect them with cables.

    Here is a screenshot of the router settings

    I have just re-enabled the multicast option, which was not active before. Well, it was enabled on the WiFi before I set up this new dedicated network. I will try again and see...

     
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  • Seppi Evans
    Hi-Res

    I have a Synology Router but do flip back and forth to using the Synology wifi and another system.

    Personally I would drop the VLAN and leave all Bluesound equipment together, letting devices pick 2.4 or 5.

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  • David l

    I made a dedicated network because one speaker was using 5GHz and the other was on 2.4GHz. I wanted to see if this would help.

    I just turned multicast back on for the dedicated WiFi. It's okay for a bit, but then the delay starts again and gets worse overtime. 

    I didn't have that in the past and my setup didn't really change since

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  • Seppi Evans
    Hi-Res
    • Edited

    In the BluOS App Please select Settings, Send Support Request so the Bluesound Support Crew can review the log file and take a closer look.

    I would however move them into your main network.

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  • David l

    Thanks for the feedback. I've raised a ticket and I'll see the response given. 

    I'll bring them back into my main network too if you think that could be a better option

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