[Alsa-user] Volume Control for Focusrite Scarlett 2i2

[Terry O'Connor]

Hi,

I work at a community radio station, and I just put together a stream
server that runs Liquidsoap. The audio is brought into the server via USB
using a Focusrite Scarlett 2i2.

I've had success getting everything set up, but our stream is a bit too
loud and has some minor distortion.

I've lowered the volume as much as possible on everything *before* the
stream server, and can't find a way to adjust the volume of the USB input
on alsamixer.

I simply get the message "This sound device does not have any controls."

The machine is running Ubuntu 20.04, and I have pulse audio disabled.

Any information would be greatly appreciated, thanks!

-Terry

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Re: [Alsa-user] Volume Control for Focusrite Scarlett 2i2

[Alan Corey]

Try amixer on it and read the man page.  The controls may have just not
matched anything in alsamixer.

On Thu, Dec 9, 2021, 4:33 PM Terry O'Connor  wrote:

> Hi,
>
> I work at a community radio station, and I just put together a stream
> server that runs Liquidsoap. The audio is brought into the server via USB
> using a Focusrite Scarlett 2i2.
>
> I've had success getting everything set up, but our stream is a bit too
> loud and has some minor distortion.
>
> I've lowered the volume as much as possible on everything *before* the
> stream server, and can't find a way to adjust the volume of the USB input
> on alsamixer.
>
> I simply get the message "This sound device does not have any controls."
>
> The machine is running Ubuntu 20.04, and I have pulse audio disabled.
>
> Any information would be greatly appreciated, thanks!
>
> -Terry
>
> --
>
> *Phone:* 608-638-9378 x3
> *Email: *te...@wdrt.org
> *Hours: *8AM - 3PM Tue/Wed/Thu,  8AM - 11AM Fri.
>
>
> 
>  Virus-free.
> www.avast.com
> 
> <#m_-5341983784679838778_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
> ___
> Alsa-user mailing list
> Alsa-user@lists.sourceforge.net
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Re: [Alsa-user] Volume Control for Focusrite Scarlett 2i2

[Ralf Mardorf]

On Thu, 9 Dec 2021 15:31:19 -0600, Terry O'Connor wrote:
>I simply get the message "This sound device does not have any
>controls."

Hi,

this is a class compliant device, hence there are usually no volume
controls at all.

For a 1st generation 2i2 a mixer is available, see
https://github.com/x42/scarlett-mixer . It might work with a 2nd and
3rd generation 2i2, too.

It's a long time ago that I tested it with a 2nd generation 18i20, but
it didn't work for this device.

However, there's absolutely no need at all for Scarlett mixer volume
controls, unless you want to rout for monitoring purpose. Loudness and
distortion are caused by something, that is wrong with your setup, so
you need to fix that.

Regards,
Ralf

-- 
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