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Full Version: Uniti Atom stops when playing album from NAS
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Hi folks
I have recently bought a Naim Uniti Atom and am playing music with minimserver from a Synology NAS using the Naim app on my iPad as the control point.
The problem is that more often than not the album stops playing after a few tracks and I have to click play queue to continue. I have no problems when playing albums from a usb drive and never had this issue with my Denon network streamer.
I love the quality of the Atom but this is very annoying, can anyone suggest a solution?
By the way the Atom also fails to find my device using airplay but works with Bluetooth not a major issue for me but I would like to know why if possible.

Hope someone can help.

Best Regards
PS apologies if I have selected the wrong thread
(18-12-2022 19:38)Nothung Wrote: [ -> ]Hi folks
I have recently bought a Naim Uniti Atom and am playing music with minimserver from a Synology NAS using the Naim app on my iPad as the control point.
The problem is that more often than not the album stops playing after a few tracks and I have to click play queue to continue. I have no problems when playing albums from a usb drive and never had this issue with my Denon network streamer.
I love the quality of the Atom but this is very annoying, can anyone suggest a solution?
By the way the Atom also fails to find my device using airplay but works with Bluetooth not a major issue for me but I would like to know why if possible.

Hope someone can help.

Best Regards
PS apologies if I have selected the wrong thread
Do you use the unit wireless?
(18-12-2022 20:09)Peter StreamMagic Wrote: [ -> ]
(18-12-2022 19:38)Nothung Wrote: [ -> ]Hi folks
I have recently bought a Naim Uniti Atom and am playing music with minimserver from a Synology NAS using the Naim app on my iPad as the control point.
The problem is that more often than not the album stops playing after a few tracks and I have to click play queue to continue. I have no problems when playing albums from a usb drive and never had this issue with my Denon network streamer.
I love the quality of the Atom but this is very annoying, can anyone suggest a solution?
By the way the Atom also fails to find my device using airplay but works with Bluetooth not a major issue for me but I would like to know why if possible.

Hope someone can help.

Best Regards
PS apologies if I have selected the wrong thread
Do you use the unit wireless?
I have an ethernet connection to the Atom and also connected wirelessly to see if that helped, it didn't. I don't have the same issue with the Synology DS audio app but would much prefer to use minimserver.
(18-12-2022 20:33)Nothung Wrote: [ -> ]I don't have the same issue with the Synology DS audio app but would much prefer to use minimserver.

Just so I'm clear, are you saying that if you use the Synology DS audio app on the ipad to play music to the Atom serving music from Synology Audio Station then the queue continues to play, but when using the Naim app to play music from MinimServer it stalls?

Assuming the Uniti Atom is just a standard UPnP renderer it's actually the job of the control point to advance the queue. If you prevent the ipad from sleeping does the queue progress normally when using the Naim app? I don't have any ios devices so I don't know how background activity is restricted, but on Android you have to grant the app permission to run in the background otherwise you'd experience problems just as you're describing.
Hi Simbun
That is exactly what I'm saying. Though I have only tried using the Synology app a few times so probably need to do it more to be sure it doesn't happen.
I think as you say it is probably a conrol point issue. I searched with google for reports of similar issues and there are but no solutions on Naim forums. Sometimes the Atom plays first track and then stops other times it may play 5 or 6 tracks before it stops and if I do nothing it may start playing again after maybe 5 or 10 minutes.
I tried not touching the iPad to do other things such as checking mail but that was inconclusive. I will try setting the iPad not to sleep and see what happens.
Thanks for your suggestion.
@Nothung

I suspect that simbun is on the right track here. When problems are intermittent, as this is, the issue is very often with the way network discovery is working on your system. Unfortunately, problems of this kind can be very difficult to diagnose properly, as you are dealing with multiple applications running on multiple devices, all mediated by a router which may or or may not have settings suited to your use case.

If you can identify a router setting for IGMP snooping, you should disable it, but, sadly, many routers either do not have the setting or disguise it under some other name. It also seems that network discovery issues are more likely to occur in wireless rather than Ethernet connected devices, so, if you can run the whole system via Ethernet (which might mean using a control point app on an Ethernet connected PC or Mac), that could be a useful test.

Another, possibly related, point is that, if the problem does not occur on every track change, it could be related to gapless playback from your control point. To implement gapless playback on a standard UPnP system, the control point has to preload the first section of the next track while the previous track is still playing. A network discovery failure at this point would prevent the next track from preloading.

Given the difficulties, experimenting with as many combinations of applications and connections as you can sensibly implement, as you have already started to do, is probably the right way to go.

David
Thanks for your advice David, sorry to not have responded sooner but I have had family visitors and not been able to explore any further until now. I tested not allowing the iPad to sleep but it made no difference so I started thinking about what you said about gapless playback and possible network issues.

My setup is EE router and Synology NAS upstairs in an office with cable from router to the listening room with a TP Link range extender to boost the WiFi using the same settings as the router. The Uniti Atom came with very sparse instructions, obviously intended to be simple to setup, I didn't find it so. I plugged the Ethernet cable into the Atom and entered Wifi settings.

In Summary:
From the Naim app using minimserver the Atom sounded great but quite often stopped playing after a few tracks, if left alone it would sometimes start playing again after maybe 5 or 10 mins.
Using the Synology server on the Naim app the Atom it didn't stop play but I felt that the sound quality was not as good and there seemed to be a slight gap/hesitation at the end of each track and a visible reloading of the artwork on the app.

I decided to do a factory reset and leave out the cable connection and just use WiFi. Minimserver worked perfectly, gapless smooth transitions between tracks, very important to me because I have a lot of opera albums. There was no more stopping after a few tracks. Airplay doesn't work but that isn't a big issue for me.

Next steps, I'm not sure but I would quite like to be able to use the Ethernet connection. Unfortunately, dealing with networking is not a strong point for me.
As this thread is not related to MinimStreamer, I am moving it to the Support section of the forum.
Usually a cable connection should be more stable than the wireless way. I would prefer using the cable. If the problems come back with the cable you could try another cable or check all other cables or switches between the naim and the NAS.

When using the naim app the playlist should be stored and managed inside the naim streamer. So you can set the ipad offline (turn of wifi or activate flight mode) without any problems in track advancing. So I do not think it is a control point issue.

But if the problems do not occur with the synology media server it probably is not a network issue.
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