Contributor II

Answered

New behavior slip/skip samples on Play:1

Forum|Forum|5 years ago
August 24, 2021
15 replies
208 views

My Play:3 that I’ve had since ages (I’ve had Sonos since they launched the ZP100) suddenly started skipping/slipping/repeating samples recently. It produces a kind of record scratching sound when it happens. I usually stream from YouTube Music. Anybody know why this happened and if/how I can rollback to working software? It’s beyond obnoxious.

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Best answer by Corry P

Hi @jwbaker

Welcome to the Sonos Community!

Looking at your diagnostic, I see you have no Play:3s, but you do have a Play:1. I’ll assume that’s the speaker you’re having the issue with. Although it is reporting decode errors (I think the reported changes in bitrate might be what you’re actually hearing - if there is no such change, then the stream will not be played correctly and will sound like the non-audio data you mentioned), they likely stem from the WiFi transmission errors also reported. I recommend you read our reducing wireless interference help page and remove any sources of interference from within 1m of both the speaker and the router (keep in mind what might be on other sides of walls).

I’m also seeing DNS resolution issues which might be a result of those same transmission errors, but I’d still recommend you reboot your router by removing power for one minute, and repeating this several times a year.

I hope this helps.

Show previous replies

J

jwbakerAuthor

Contributor II

Hi @jwbaker

Welcome to the Sonos Community!

Looking at your diagnostic, I see you have no Play:3s, but you do have a Play:1. I’ll assume that’s the speaker you’re having the issue with. Although it is reporting decode errors (I think the reported changes in bitrate might be what you’re actually hearing - if there is no such change, then the stream will not be played correctly and will sound like the non-audio data you mentioned), they likely stem from the WiFi transmission errors also reported. I recommend you read our reducing wireless interference help page and remove any sources of interference from within 1m of both the speaker and the router (keep in mind what might be on other sides of walls).

I’m also seeing DNS resolution issues which might be a result of those same transmission errors, but I’d still recommend you reboot your router by removing power for one minute, and repeating this several times a year.

I hope this helps.

Play:1, you are right. It’s been a really long time since I bought it, I forgot which is which.

Why should the bitrate be changing in the middle of a track? Is it trying to be adaptive and if so, is that a Sonos thing or a Google thing?

I just ran the diagnostics on my Wifi and it reports 18mbps to my Sonos, and 250+ mbps to all other devices on my network. The Sonos is literally 1 meter away from the wifi access point. This seems like more than enough network throughput for even the highest quality AAC stream from YouTube, no? The ISP connection reports > 600 mbps download speed test.

Corry P

Sonos Staff

Hi @jwbaker

Yes, 18mpbs would normally be enough bandwidth, but some packets are failing so 18mbps might not be enough. I’d expect a lot more than 18mpbs at 1m from the router anyway. I’d like to minimise these lost packets to see if it helps - please separate the speaker and the router a bit more (or connect the two with an ethernet cable) for further testing with YouTube Music.

The bitrate changes might be expected, but they seem to be followed by decoding errors. YouTube would be the source of the bitrate changes if it is Variable Bitrate. There is a known issue with audio artefacts and decoding errors in some cases while using YouTube Music and S1. Although you use S2, I’d like to test if this issue is only related to YouTube - could you please try playing another service for a day to confirm?

Edit: It looks like VBR is expected. The audio artefacts are from decoding issues.

2nd Edit: Removed some inaccuracies.

"Common sense is the collection of prejudices acquired by age eighteen." - Albert Einstein

J

jwbakerAuthor

Contributor II

OK, just FYI, these voodoo statements about my wifi are just making Sonos look bad. Everything else in my house works perfectly. LG TV, Roku, Oppo streamer, Chromecast, even Sonos for the fifteen years until last month, everything but my Sonos with the latest software. I’m trying to report a software defect here.

buzz

Grand Maestro

Once you have decided that the issue must be [...] or cannot be [...] you are likely to be blindsided.

My experience has been that SONOS will mute if the data is corrupted. For some reason your data stream results in a burst of noise. To me this implies two issues. First, SONOS should mute, but does not. Second, there is an interference issue on your network. If the data stream was clean, any failure to mute when dealing with corrupt data would be moot.

It’s good that the other units on your network are performing well. This implies that there is an interference issue local to your PLAY:1 or that there is a hardware/software issue with PLAY:1. Don’t overlook the possibility of a PLAY:1 hardware issue.

Airgetlam

And frankly, the way Sonos uses the network is in an entirely different method than all the devices you listed.

The possibility of a software defect is not zero, but relatively close to that. If it was indeed a software defect, there would likely be hundreds or thousands of posts about folks experiencing the same thing. So far, that’s not the case. But if it was, certainly that would be exposed by the diagnostic.

Don’t forget that your network doesn’t exist in a total vacuum. It can be impacted by many types of influences outside your control.

Bruce

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