Qobuz - Lumïn app - Bubbleupnpserver sample rate issue

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Stefano Antonelli

Jan 4, 2022, 2:46:51 AMJan 4
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I’m using Lumïn app/Bubbleupnpserver to stream Qobuz to HQPlayer Embedded.

it seems there is something wrong in how the sample rate is exposed in Lumïn app playing from Qobuz.

In this example the track “Tell me” from Ray Vaughan “Texas flood” is shown to be 24/192

but as I’m using HQPlayer Embedded there I can read 24/176.4 as well as in the original Qobuz app (iPadOS)

As Lumïn app should read the track/playlist informations from Bubbleupnpserver I think the issue should be in Bubbleupnpserver 

Stefano Antonelli

Jan 4, 2022, 2:54:54 AMJan 4
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8D45B940-A18A-474C-86BE-17D07036A427.jpegHere renderer configuration for HQPlayer Embedded


Jan 5, 2022, 8:45:17 AMJan 5
to BubbleUPnP

I turns out the displayed metatata samplerate (192 kHz) on the Qobuz page for that album (https://play.qobuz.com/album/0886443827141)
does not correspond to the actual playback samplerate of the stream which in reality is 176.4 kHz.
If you try to play any track of that album in the web player with the URL above, you will notice that the samplerate in the botton bar is also 176.4 kHz.

if in Lumin, or any other software you see 192 kHz indicated during playback, then it is not displaying the real samplerate of the stream but the samplerate indicated
in the out-of-band metadata sent by Qobuz for that track.
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