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xanb

Member

Registered: 2012-07-24

Posts: 420

[solved] [openrc] after connecting an earbuds, the sound is gone

Hi,

I connected an earbuds with mic, I hear sound but when I pressed the mic, then all the sound was gone. After removing earbuds and after rebooting I have no sound. Please help me

Thanks in advance,

EDIT: it seems that the internal device was gone. I only have the HDMI. At least it only appears it in pavucontrol.

Last edited by xanb (2016-02-09 14:42:19)

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Owning one OpenRC (artoo way) and other three systemd machines

x33a

Forum Fellow

Registered: 2009-08-15

Posts: 4,587

Re: [solved] [openrc] after connecting an earbuds, the sound is gone

Is it onboard audio or a separate sound card?

Moving to "Multimedia and Games".

xanb

Member

Registered: 2012-07-24

Posts: 420

Re: [solved] [openrc] after connecting an earbuds, the sound is gone

On board audio

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Owning one OpenRC (artoo way) and other three systemd machines

xanb

Member

Registered: 2012-07-24

Posts: 420

Re: [solved] [openrc] after connecting an earbuds, the sound is gone

Solved with this:

# rm /var/lib/alsa/asound.state
# reboot

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Owning one OpenRC (artoo way) and other three systemd machines

xanb

Member

Registered: 2012-07-24

Posts: 420

Re: [solved] [openrc] after connecting an earbuds, the sound is gone

But then I have to reset the default device. Now the default device is HDMI.

Anyhow the problem is that I don't know why I came to this. Why the sound disappeared?

Last edited by xanb (2016-02-09 14:42:52)

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Owning one OpenRC (artoo way) and other three systemd machines

ewaller

Administrator

From: Pasadena, CA

Registered: 2009-07-13

Posts: 20,676

Re: [solved] [openrc] after connecting an earbuds, the sound is gone

Do you know if this audio port supports microphone input in addition to the expected audio output?  On laptops, not all (many) do.
Pressing the mic button changes the impedance on the mic input https://source.android.com/devices/acce … ation.html to signal the host.   If your headset is 4 wire, but the jack is three wire, the earbuds will work, but the mic obviously won't.  Pushing the mic button will change the impedance (load) on one of the earbuds.   I wonder if your laptop is noticing that and is using that as a trigger to disconnect that sink?  Just thinking out loud here.

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Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
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xanb

Member

Registered: 2012-07-24

Posts: 420

Re: [solved] [openrc] after connecting an earbuds, the sound is gone

Do you know if this audio port supports microphone input in addition to the expected audio output?  On laptops, not all (many) do.
Pressing the mic button changes the impedance on the mic input https://source.android.com/devices/acce … ation.html to signal the host.   If your headset is 4 wire, but the jack is three wire, the earbuds will work, but the mic obviously won't.  Pushing the mic button will change the impedance (load) on one of the earbuds.   I wonder if your laptop is noticing that and is using that as a trigger to disconnect that sink?  Just thinking out loud here.

Thanks, ewaller, for pointing the possible cause. I don't know if my headset or the input in my laptop is 4-wire or 3-wire. How can I see that?

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Owning one OpenRC (artoo way) and other three systemd machines

ewaller

Administrator

From: Pasadena, CA

Registered: 2009-07-13

Posts: 20,676

Re: [solved] [openrc] after connecting an earbuds, the sound is gone

I'm not sure one can see it from outside of the machine.  Check the specifications for the machine.  Also, see if there is a separate microphone jack right next to the headphone jack.
You might also look at any icons next to the jack.  A port without mic may have a picture of headphones.  With a jack, that picture may include a boom mic.

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Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
The shortest way to ruin a country is to give power to demagogues.— Dionysius of Halicarnassus
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How to Ask Questions the Smart Way

xanb

Member

Registered: 2012-07-24

Posts: 420

Re: [solved] [openrc] after connecting an earbuds, the sound is gone

I'm not sure one can see it from outside of the machine.  Check the specifications for the machine.  Also, see if there is a separate microphone jack right next to the headphone jack.
You might also look at any icons next to the jack.  A port without mic may have a picture of headphones.  With a jack, that picture may include a boom mic.

My machine is HP Chromebook 14 (falco). I did not find any specs.
The picture of the jack is with boom mic.

So I don't understand....

Thanks for all

Last edited by xanb (2016-02-11 08:30:22)

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Owning one OpenRC (artoo way) and other three systemd machines