USB sound card 0% volume is not bottom

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niclasc
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USB sound card 0% volume is not bottom

Post by niclasc » Fri Dec 18, 2015 5:49 am

Not sure how to explain this. But I have a simple USB sound card. I have to raise the volume to around 30% before I can hear any sound. Basicly 30% on the on screen indicator is 0% volume

I have also tried with a Terratec AUREON DUAL USB and still the same problem.

At the moment I'm running kernel 4.3.0 but I have the same problem on all kernels I've tried.

Any Idea how to fix this?

This is the USB soundcard:
http://www.ebay.co.uk/itm/USB-2-0-Virtu ... SwPcVVk9Iq
Linux Mint 18.1 x64 Cinnamon, Kernel 4.4.0-53-generic

hagensieker
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Re: USB sound card 0% volume is not bottom

Post by hagensieker » Fri Dec 18, 2015 12:02 pm

Run this command:

alsamixer

Or

sudo alsamixer

Select your USB Sound card and raise the volume. Usually with the Shift and + key (shooting from the hip on that one) directions should be in alsamixer box.

niclasc
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Re: USB sound card 0% volume is not bottom

Post by niclasc » Fri Dec 18, 2015 2:11 pm

hagensieker wrote:Run this command:

alsamixer

Or

sudo alsamixer

Select your USB Sound card and raise the volume. Usually with the Shift and + key (shooting from the hip on that one) directions should be in alsamixer box.
The problem is that 0 om volume in alsamixer is the same as 30% on the osd volume. And 100% in alsamixer is 100% on the osd. So between 0% and 30% on the osd I have no sound at all
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ScubbX
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Re: USB sound card 0% volume is not bottom

Post by ScubbX » Sat Mar 26, 2016 9:08 pm

I have the same problem with Mint 17.3 XFCE. I tried two different USB Soundcards (Terratec and Asus). Sound output only starts at about 35% volume setting. In some cases this is already too loud.

niclasc
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Re: USB sound card 0% volume is not bottom

Post by niclasc » Thu May 05, 2016 12:57 pm

Any more help on this?

I have the same problem running Majaro Linux so it looks to be a bigger problem
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niclasc
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Re: USB sound card 0% volume is not bottom

Post by niclasc » Wed May 25, 2016 12:04 pm

I'll try one more time

Any help with this problem?
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rene
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Re: USB sound card 0% volume is not bottom

Post by rene » Wed May 25, 2016 3:46 pm

Does it work for you to in "/usr/share/pulseaudio/alsa-mixer/paths/analog-output-speaker.conf" under "[Element Speaker]" (line 68 in my copy here) change

Code: Select all

[Element Speaker]
required-any = any
switch = mute
volume = merge
to

Code: Select all

[Element Speaker]
required-any = any
switch = mute
volume = ignore
volume-limit = 0.01
in which the value 0.01 is one that is to be increased in steps of 0.01 to, perhaps, 0.05 if it works at all?

If so, you get to figure out if there's a better way of overriding this in /etc rather than in /usr/share. It is with a udev rule possible to select an altogether different .conf but I believe it'll still need to reside in /usr/share/pulseaudio/alsa-mixer/paths/. What you are doing is telling pulseaudio to ignore a hardware volume control and do it all in software.

[EDIT] N.B., you'll have to reboot (or at least restart pulseaudio) for any change to take effect. Also, while it may look to be a rather crude workaround, the problem is likely that your USB hardware has a standards-compliancy issue with respect to the volume control -- although I would've expected better from TerraTec. If it works at all, you get to go find out if it's to be considered an actual solution at the Pulseaudio and/or ALSA mailinglists...
Last edited by rene on Thu May 26, 2016 1:19 am, edited 1 time in total.

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Flemur
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Re: USB sound card 0% volume is not bottom

Post by Flemur » Wed May 25, 2016 6:51 pm

What does

Code: Select all

amixer get Speaker
return? Same values as alsamixer? (0 and -28.37db)

Have you played with the "Auto Gain Control"?
Please edit your original post title to include [SOLVED] if/when it is solved!
Your data and OS are backed up....right?
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Lolo Uila
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Re: USB sound card 0% volume is not bottom

Post by Lolo Uila » Wed May 25, 2016 7:09 pm

What kind of speakers are you using?

Assuming amplified, is the volume low on the speakers?

I'm using a Fiio Olympus E10 USB DAC with Altec Lansing ADA880 speakers, and if my speakers are turned up loud I can hear sound with the volume almost all the way down, but if my speakers are set at less than half volume it behaves similar to what you are experiencing (can't hear anything below 20% on system volume control).

If your speakers are not amplified, then I suspect your USB audio adapter is not outputting enough power to drive them.
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niclasc
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Re: USB sound card 0% volume is not bottom

Post by niclasc » Thu May 26, 2016 8:02 am

Lolo Uila wrote:What kind of speakers are you using?

Assuming amplified, is the volume low on the speakers?

I'm using a Fiio Olympus E10 USB DAC with Altec Lansing ADA880 speakers, and if my speakers are turned up loud I can hear sound with the volume almost all the way down, but if my speakers are set at less than half volume it behaves similar to what you are experiencing (can't hear anything below 20% on system volume control).

If your speakers are not amplified, then I suspect your USB audio adapter is not outputting enough power to drive them.
The USB sound card works perfectly in Windows and OSX on the same PC so its not a hardware problem
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niclasc
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Re: USB sound card 0% volume is not bottom

Post by niclasc » Thu May 26, 2016 1:30 pm

Flemur wrote:What does

Code: Select all

amixer get Speaker
return? Same values as alsamixer? (0 and -28.37db)

Have you played with the "Auto Gain Control"?
"amixer get Speaker" gives this output:

amixer: Unable to find simple control 'Speaker',0
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niclasc
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Re: USB sound card 0% volume is not bottom

Post by niclasc » Thu May 26, 2016 1:31 pm

rene wrote:Does it work for you to in "/usr/share/pulseaudio/alsa-mixer/paths/analog-output-speaker.conf" under "[Element Speaker]" (line 68 in my copy here) change

Code: Select all

[Element Speaker]
required-any = any
switch = mute
volume = merge
to

Code: Select all

[Element Speaker]
required-any = any
switch = mute
volume = ignore
volume-limit = 0.01
in which the value 0.01 is one that is to be increased in steps of 0.01 to, perhaps, 0.05 if it works at all?

If so, you get to figure out if there's a better way of overriding this in /etc rather than in /usr/share. It is with a udev rule possible to select an altogether different .conf but I believe it'll still need to reside in /usr/share/pulseaudio/alsa-mixer/paths/. What you are doing is telling pulseaudio to ignore a hardware volume control and do it all in software.

[EDIT] N.B., you'll have to reboot (or at least restart pulseaudio) for any change to take effect. Also, while it may look to be a rather crude workaround, the problem is likely that your USB hardware has a standards-compliancy issue with respect to the volume control -- although I would've expected better from TerraTec. If it works at all, you get to go find out if it's to be considered an actual solution at the Pulseaudio and/or ALSA mailinglists...
Didnt understand any of that
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rene
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Re: USB sound card 0% volume is not bottom

Post by rene » Thu May 26, 2016 1:40 pm

I shall in that case not be able to assist you.

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