Intermittent issues with Danish Radio streaming quality (30 min Delay HLS Stream) (ref#SOI0FP) [Ticket In]

I’ve moved some posts from Live Radio to here that have been referencing issues with the same DR stations so that all are together.

The issue has not been solved yet and so I have removed the ‘solution’ flag above.

@connor for info.

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Hi @BrianW ,

Thanks for merging and giving us a heads-up on the additional reports! The issue is in the dev team’s queue, though I don’t have any updates at the moment. We’ll keep you posted as we continue looking, feel free to merge any other related reports here, thanks!

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@noris: This evening from around 19:00 and until now 21:36 Danish standard time. I have played DR P2, DR P1 and DR P8. It seems these channels are now on time also in their high bitrate versions (AAC 320 kbps for P1 and P2 and MP3 192 kbps for P8). So it seems the problem has been partly corrected or maybe did not appear today.

I have, however, had 4 incidents of stopped streaming at around 19:24, 20:07, 21:12 and 21:49. As described initially when opening this case, I should have a close to ideal setup when it comes to internet connection and ethernet cabling, and I do not have similar issues with streams that stop when I watch internet-based television etc.

@noris … and this morning at around 06:30, DR P2 was again out of sync (30 minutes delay, I think) on the AAC 320 kbps stream.

Hi @kassoe,

Thank you for the post. At this point, we don’t require any further technical information - development has identified the problem and the ticket is in the pipeline for implementation.

When this ticket has completed review, the fix will be available in the Early Access section. We’ll notify you here when that occurs. Thank you for your patience.

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Is there any news regarding DR P1 stopping playing?

It seems that the problem with 30 minutes delay of the DR high res streams has been solved without beeing announced here, but I still experience occasional stops. Since my earlier posts I have changed cables so that my Roon Nucleus connects directly to the router, and, just in case, I also switched the router to a fresh one sent from by internet provider. From what I can gather, the issue with streaming that stops, still stems from the Roon software. I mostly listen to DR P2 and P8. @connor, could you give us an update on how things are going?

I also experience occasional stops when listening to DR P1, it’s very anoing.

Back in september 2024 I made this ticket Intermittent playback issues with Danish Radio P1 on Roon (ref#AJMCMU) - #21 by Hans_N.

It was marked solved by Roon, because I have no experience with QoS settings and I didn’t understand why I can play hi res Qoubuz with no problem but not low res radio stream without the stream stopping.

In this current thread I got the impression that Roon Support admitted the problem is a software problem they will solve. But that was back in November. Does this mean that I have to look into QoS? (And is it possible that this will solve the problem?)

Hi @kassoe,

The team has not yet implemented the aforementioned fix that would affect this issue, but we can certainly inquire as to the current status of the investigation.

The underlying mechanism for the 30-minute delay was a disagreement in HLS implementation between DP and what RoonServer expected. As of this writing, we haven’t merged a chance that would resolve that issue.

Dropouts during radio playback can have numerous causes and will depend highly on a) the specific error message reported in the UI and b) the network pathway serving both RoonServer and the affected endpoint.

When we last visited @Hans_N’s diagnostics, we didn’t see dropouts between the station and RoonServer, but accumulated sample loss in the network was breaking the audio stream to the endpoint from RoonServer. For this reason, we recommended investigating whether any QoS settings were interfering with RoonServer’s bandwidth allocation.

That said, we can most easily troubleshoot this issue if both of you provide the following, at your convenience, of course:

  1. an approximate timestamp of the last dropout you experience with P2 or P8.
  2. whether you experience any other dropouts if you attempt to stream other radio stations instead immediately after the dropout
  3. the particular error message displayed (if any) in the Roon UI after the dropout occurs.

We’ll watch for your response. Thank you!

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Hi @connor - thank you for following up. Re. the delay I was mistaken as I did not play the 320 kbps stream. When doing that, the 30 minutes delay and repetition of the high res stream is still present. An update your teams efforts will be appreciated.

This evening when playing the 192 kbps DR P8 stream I had many stops. Some time stamps are 21:33, 21:58 and 22:31, and there were quite a few more. Immediately after a stop I was able to play another station (BBC 3) and also the same station (DR P8), and this is how it usually is when the stream stops.

I include a screen dump of the error message which displays only briefly after a stop. This is the usual message which I have seen countless times.

Hi @kassoe,

Thanks for the additional information! The development ticket for this issue is still in development, so no new updates quite yet, but active work is going into it!