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Re: f10 no sound through usb headset



On Tuesday 23 December 2008 17:12, Don Raikes wrote:
> Nigel,
>
> Ok so here it goes:
>
> The system is a gateway desktop pc about 6 years old.
>
> cat /proc/asound/cards (without the usb headset plugged in:
>  0 [Intel          ]: HDA-Intel - HDA Intel
>                       HDA Intel at 0x88300000 irq 16

> cat /proc/asound/cards (with usb headset plugged in:
>
>  0 [Intel          ]: HDA-Intel - HDA Intel
>                       HDA Intel at 0x88300000 irq 16
>  1 [default        ]: USB-Audio - C-Media USB Headphone Set
>                       C-Media USB Headphone Set   at
> usb-0000:00:1d.2-2.1.7, full speed

Hi Don.

The above is fair enough. If you had more than one USB audio device plugged 
in, I'd expect to see a card listed, when running, cat /proc/asound/cards, 
when the headset is not plugged in.

Try opening alsamixer as user, on Gnomes terminal, or KDE's Konsole, as below.
alsamixer -D hw:1

This should show any controls available for your Cmedia USB headset. Something 
may be muted (M key toggles mute/unmute), or perhaps there is a slider that 
needs to be pushed up.

Pulseaudio, which has been the default soundserver since F8, can be a pain in 
the neck, and sometimes causes problems with various audio apps. You can 
disable it by simply removing the package, alsa-plugins-pulseaudio, then your 
audio apps will use alsa directly. You can also re-enable it later if you 
wish, by just re-installing the package.

yum remove alsa-plugins-pulseaudio

If you're using KDE, as I am, removing the above package, will also remove 
kde-settings-pulseaudio, so when re-installing alsa-plugins-pulseaudio, you 
will also have to re-install kde-settings-pulseaudio.

All the best.

Nigel.


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