sound problems in Arch Linux

[Preston C.]

I am using a M-Audio Fast Track Ultra. When I run 'alsamixer' it first
 list that my Logitech webcam is default. I change it to "Fast Track
 Ultra" which is number 1 in the list, and, then it says:

 "This sound device does not have any playback controls."

 Any help in figuring this out is much appreciated.

 Preston
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[Clemens Ladisch]

Preston C. wrote:
> I am using a M-Audio Fast Track Ultra. When I run 'alsamixer' it first
> list that my Logitech webcam is default.

Both are USB devices.  To configure which one is the default device,
use the appropriate configuration tool of your distribution.

> "This sound device does not have any playback controls."
>
> Any help in figuring this out is much appreciated.

This message is trying to tell you that alsamixer did not find any
playback controls for this device.  The reason for this might be that
your device actually does not have any playback controls.

This is common with USB devices; you have to use the hardware controls
of the device itself.

(Does the Fast Track Ultra actually run with Linux?)


Best regards,
Clemens
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[Jonathan E. Brickman-2]

Preston C. wrote:

> I am using a M-Audio Fast Track Ultra. When I run 'alsamixer' it first
>  list that my Logitech webcam is default. I change it to "Fast Track
>  Ultra" which is number 1 in the list, and, then it says:
>
>  "This sound device does not have any playback controls."
>
>  Any help in figuring this out is much appreciated.
>
>  Preston
>  

I would see what happens if you use alphanumeric names:

http://linuxlive.joshuacorps.org/?p=13

J.E.B.

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[Preston C.]

On Tue, Nov 10, 2009 at 3:51 AM, Clemens Ladisch <clemens@...> wrote:
> This message is trying to tell you that alsamixer did not find any
> playback controls for this device.  The reason for this might be that
> your device actually does not have any playback controls.
>
> This is common with USB devices; you have to use the hardware controls
> of the device itself.
I do not understand? How could alsamixer not require playback
controls? Would you mind explaining further?

> (Does the Fast Track Ultra actually run with Linux?)

Thanks for the help. Well I would wonder if it runs with Linux also?
That would be the first step it seems.

I think I will wait before I start trying to use alphanumeric names.

Thanks.
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[Arnold Krille-3]

On Tuesday 10 November 2009 20:08:02 Preston C. wrote:
> On Tue, Nov 10, 2009 at 3:51 AM, Clemens Ladisch <clemens@...> wrote:
> > This message is trying to tell you that alsamixer did not find any
> > playback controls for this device.  The reason for this might be that
> > your device actually does not have any playback controls.
> > This is common with USB devices; you have to use the hardware controls
> > of the device itself.
> I do not understand? How could alsamixer not require playback
> controls? Would you mind explaining further?

Hardware mixer controls != playback controls !!!

Alsamixer accesses the hardware mixer of the soundcards/-devices. And most
USB-devices don't have a hardware mixer. At least it is not accessible via
software, just via the "hands on" hardware access :-)
Which is actually a good thing because its one place less where the volume set
to zero/mute gives you endless fights of getting sound of the speakers...

Have fun,

Arnold


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[Ray Rashif]

2009/11/11 Arnold Krille <arnold@...>

On Tuesday 10 November 2009 20:08:02 Preston C. wrote:
> On Tue, Nov 10, 2009 at 3:51 AM, Clemens Ladisch <clemens@...> wrote:
> > This message is trying to tell you that alsamixer did not find any
> > playback controls for this device.  The reason for this might be that
> > your device actually does not have any playback controls.
> > This is common with USB devices; you have to use the hardware controls
> > of the device itself.
> I do not understand? How could alsamixer not require playback
> controls? Would you mind explaining further?

Hardware mixer controls != playback controls !!!

Alsamixer accesses the hardware mixer of the soundcards/-devices. And most
USB-devices don't have a hardware mixer. At least it is not accessible via
software, just via the "hands on" hardware access :-) 

Which is actually a good thing because its one place less where the volume set
to zero/mute gives you endless fights of getting sound of the speakers...

Have fun,

Arnold

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My Zoom H2 when used as a USB devices introduces 0 controls, but I can monitor from it and record. I'm still not able to fix the latency issue I'm having there, or the fact that I hear the clean signal (going in to the computer) together with the processed one which is coming out from JACK. I just gave up because it wasn't my intention to make it do anything, just curious to see how it worked.

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