Re: [LAU] no software mixer in usb soundcard - possible workarround?

From: Frank Barknecht <fbar@email-addr-hidden>
Date: Wed Jan 14 2009 - 21:28:45 EET

Hallo,
Atte Andr? Jensen hat gesagt: // Atte Andr? Jensen wrote:

> I have an Edirol UA-1A usb soundcard, that I started using in my server
> with mpd as a music playing device. Most mpd clients has a volume knob
> that worked with the crappy build-in soundcard, but not with the usb
> one. I seem to remember that I never saw anything in my gnome mixer for
> this soundcard, and also has a vague idea that it simply might not have
> a mixer buildin or it's not supported by alsa.

Many USB soundcards don't have a hardware mixer. Generally you can trust
ALSA: If "alsamixer -c <cardnum>" doesn't report any mixer elements,
that the card doesn't have any.

> Long story short: Is this just me misconfiguring it (if so what could be
> wrong) or is there a software solution to allow me to change the volume
> of the soundcard from mpd clients?

There is a "softvol" plugin you may like:
http://alsa.opensrc.org/index.php/Softvol

Ciao

-- 
Frank
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Received on Thu Jan 15 00:15:02 2009

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