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#1 2020-10-07 19:27:09

mkkot
Member
From: Poland
Registered: 2009-12-20
Posts: 245
Website

Less bass on headphones when pavucontrol is opened

Hi all,
I got Planctronics usb headphones from my company and a laptop with Windows. I noticed that when volume control window is opened in Windows, the sound frequency gets cut and the most audible effect of this is far less bass.

I thought: nah, stupid Windows.

But today I plugged in the headphones to my Linux box, opened pavucontrol and I got exactly the same effect. When I close pavucontrol, 2 seconds later, the bass is back.

My question is simple: why? I think pavucontrol is blocking part of the USB bandwidth. But why? I muted microphone, nothing changed.

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#2 2020-10-07 19:45:26

gileri
Member
Registered: 2018-09-07
Posts: 2

Re: Less bass on headphones when pavucontrol is opened

If you use alsamixer, do you see a bass/treble control on your device ? Maybe pavucontrol and the equivalent in windows clamp those values, and your hardware reset them for some reason ?

Also can you share your exact headphones model please ?

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#3 2020-10-07 20:05:21

mkkot
Member
From: Poland
Registered: 2009-12-20
Posts: 245
Website

Re: Less bass on headphones when pavucontrol is opened

The headphone model is C3220.

This is alsamixer screen for the headphones:

https://ibb.co/KLPfDZQ

It doesn't change when I open/close pulseaudio. Of course I'm restarting alsamixer to check if anything changed.

Last edited by mkkot (2020-10-07 20:24:40)

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