Re: kmix and usb soundcards?

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Anno domini 2025 Mon, 23 Jun 12:01:38 +0200
 Rody via tde-users scripsit:
> Op zondag 22 juni 2025, schreef deloptes via tde-users:
> > Rody via tde-users wrote:
> > > The current situation is however that kmix won't allow me to choose the
> > > rubix usb audio (because it isn't listed there). Mixxx on the other hand
> > > DOES use the rubix usb card/box, just like alsamixer is able to see the
> > > rubix while kmix does not.
> >
> > Can you answer two questions
> >
> > 1. is the USB snd card plugged in when you boot into TDE? (and windows or
> > whatever other system was not hibernated)
> >
> 
> The usb sound card (roland rubix) is always plugged in. I reserve 1 pc for my 
> weekly radio stream using mixxx, although any linux pc with mixxx installed 
> can take over in case of trouble (which has never happened in 5 years) thanks 
> to the universal nfs paths to my music library. 
> 
> I never use sleep or hibernate (on linux), I only use the screensaver and the 
> blankscreen that comes after it, just like I did 20 years ago.
> And windows is never left running as it requires a reboot to start linux via 
> grub.

It might be that your soundcard comes up after kmix is started. As kmix does not update its list of soundcards you wnd up with a list withoute the "late" soundcards. So, could you  restart kmix after you have confirmed that alsamixer sees the card? If the kmix then sees the card you'd need just a little udev hacking, if not ... 

Nik



> 
> > 2. What is the content of /dev/snd/
> >
> > for example here it is
> >
> > # find /dev/snd/
> > /dev/snd/
> > /dev/snd/by-id
> > /dev/snd/by-id/usb-Philips_CE_Philips_SPC_1000NC_Webcam-02
> > /dev/snd/by-path
> > /dev/snd/by-path/pci-0000:00:1a.0-usb-0:1.5:1.2
> > /dev/snd/by-path/pci-0000:00:1b.0
> > /dev/snd/controlC1
> > /dev/snd/pcmC1D0c
> > /dev/snd/controlC0
> > /dev/snd/hwC0D3
> > /dev/snd/hwC0D2
> > /dev/snd/pcmC0D8p
> > /dev/snd/pcmC0D7p
> > /dev/snd/pcmC0D3p
> > /dev/snd/pcmC0D2c
> > /dev/snd/pcmC0D0c
> > /dev/snd/pcmC0D0p
> > /dev/snd/seq
> > /dev/snd/timer
> >
> 
> Here's mine:
> 
> find /dev/snd
> 
> /dev/snd
> /dev/snd/by-path
> /dev/snd/by-path/pci-0000:00:1b.0
> /dev/snd/by-path/pci-0000:01:00.1
> /dev/snd/by-path/pci-0000:00:1a.0-usb-0:1.5:1.0
> /dev/snd/by-id
> /dev/snd/by-id/usb-Roland_Rubix24-00
> /dev/snd/controlC1
> /dev/snd/hwC1D0
> /dev/snd/pcmC1D2c
> /dev/snd/pcmC1D0c
> /dev/snd/pcmC1D0p
> /dev/snd/controlC2
> /dev/snd/hwC2D0
> /dev/snd/pcmC2D9p
> /dev/snd/pcmC2D8p
> /dev/snd/pcmC2D7p
> /dev/snd/pcmC2D3p
> /dev/snd/controlC0
> /dev/snd/midiC0D0
> /dev/snd/pcmC0D0c
> /dev/snd/pcmC0D0p
> /dev/snd/seq
> /dev/snd/timer
> 
> This looks ok to me but maybe I'm missing something?
> 
> Regards,
> 
> Rody
> 
> >
> >
> >
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> 
> 
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