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OGG libVLC stream frequency shift https://forums.stereotool.com/viewtopic.php?f=15&t=32022 |
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Author: | Radiofreak1041 [ Thu Feb 24, 2022 5:04 pm ] | ||
Post subject: | OGG libVLC stream frequency shift | ||
When listening to my OGG Vorbis stream in StereoTool (384kbit/s, HTTP stream via libVLC, follow main sample rate) through VLC media player (3.0.16) on a client Windows PC, the frequency shifts up about 18Hz, then down again to the correct frequency. This happens only when I open/connect to the stream. I attached a gif showing a frequency counter while streaming a 1kHz sine wave. This happens while bypassing ST as well as while the processing is active. What causes this behaviour and does anyone know how to deal with it?
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Author: | Bojcha [ Fri Feb 25, 2022 11:04 am ] |
Post subject: | Re: OGG libVLC stream frequency shift |
Input/Output Sync ON ? |
Author: | Radiofreak1041 [ Fri Feb 25, 2022 12:36 pm ] |
Post subject: | Re: OGG libVLC stream frequency shift |
All my physical sound devices are disabled (no Normal, FM or LQLL, only stream). The settings are thus greyed out, but still set to 'off' and 0% relative adjust. The behaviour only occurs in OGG streams, MP3 and FLAC are fine. |
Author: | Bojcha [ Fri Feb 25, 2022 1:03 pm ] |
Post subject: | Re: OGG libVLC stream frequency shift |
Then idk. Did you try other programs to stream and check same? ALso if other codecs are fine, that indecates that something in VLC's OGG lib is doing something. |
Author: | hvz [ Fri Oct 14, 2022 1:54 pm ] |
Post subject: | Re: OGG libVLC stream frequency shift |
I think that VLC Media Player resamples the audio to sync with the incoming signal. So that might be what's happening here, not sure. The encoding of the stream doesn't change, so if this happens when you start the player, not the encoder, then it's definitely something in VLC Media Player. |
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