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gaebb3r
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Joined: 22 Oct 2007
Posts: 58
Location: 48°31′N, 9°3′E

PostPosted: Fri Oct 20, 2023 10:14 pm    Post subject: Wrong sound device in KDE Reply with quote

Hi all,

I did a fresh stage3 install and can't get my audio working...

'aplay -l' shows:
Code:
Karte 0: Generic [HD-Audio Generic], Gerät 0: ALC1220 Analog [ALC1220 Analog]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 0: Generic [HD-Audio Generic], Gerät 1: ALC1220 Digital [ALC1220 Digital]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 1: NVidia [HDA NVidia], Gerät 3: Generic Digital [Generic Digital]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0


'aplay -L' shows:
Code:
null
    Discard all samples (playback) or generate zero samples (capture)
pulse
    PulseAudio Sound Server
upmix
    Plugin for channel upmix (4,6,8)
vdownmix
    Plugin for channel downmix (stereo) with a simple spacialization
sysdefault:CARD=Generic
    HD-Audio Generic, ALC1220 Analog
    Default Audio Device
front:CARD=Generic,DEV=0
    HD-Audio Generic, ALC1220 Analog
    Front output / input
surround21:CARD=Generic,DEV=0
    HD-Audio Generic, ALC1220 Analog
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=Generic,DEV=0
    HD-Audio Generic, ALC1220 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=Generic,DEV=0
    HD-Audio Generic, ALC1220 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Generic,DEV=0
    HD-Audio Generic, ALC1220 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Generic,DEV=0
    HD-Audio Generic, ALC1220 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Generic,DEV=0
    HD-Audio Generic, ALC1220 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Generic,DEV=0
    HD-Audio Generic, ALC1220 Digital
    IEC958 (S/PDIF) Digital Audio Output
usbstream:CARD=Generic
    HD-Audio Generic
    USB Stream Output
hdmi:CARD=NVidia,DEV=0
    HDA NVidia, Generic Digital
    HDMI Audio Output
usbstream:CARD=NVidia
    HDA NVidia
    USB Stream Output


So, I have set my .asoundrc to:
Code:
defaults.pcm.card 0
defaults.pcm.device 0


However, KDE finds the sound device of my graphics card and the S/PDIF digital output of the HD audio device.
But I need to get an analog device working with KDE...
Any idea how to set this?
I can't find setting this somewhere in KDE control center.

Thank you for any hint!

Cheers
Marcus
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Dominique_71
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Joined: 17 Aug 2005
Posts: 1886
Location: Switzerland (Romandie)

PostPosted: Sat Oct 21, 2023 9:18 am    Post subject: Reply with quote

The output of 'aplay -l' must show you which card is the 0 card.

ALSA does not guaranty than the order of the sound cards will be always the same (reboot, system update, who knows?). So, in case of several sound cards, it is best to first fix the card order in /etc/modprobe.d/alsa.conf
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soundrolf
Tux's lil' helper
Tux's lil' helper


Joined: 08 Sep 2016
Posts: 131
Location: Cologne / Germany

PostPosted: Sat Oct 21, 2023 11:27 am    Post subject: Reply with quote

cat /proc/asound/cards show your cards
Code:

0 [NVidia         ]: HDA-Intel - HDA NVidia
                      HDA NVidia at 0xfc080000 irq 62
 1 [Generic        ]: HDA-Intel - HD-Audio Generic
                      HD-Audio Generic at 0xfc400000 irq 64


I have set my .asoundrc to:
Code:

defaults.pcm.card 1
defaults.ctl.card 1

pcm.snd_card {
        type hw
        card 1
        device 0
}

ctl.snd_card {
        type hw
        card 1
        device 0
}

pcm.dmixer {
    type dmix
    ipc_key 1024
    ipc_perm 0666
    slave.pcm "snd_card"
    slave {
        period_time 0
        period_size 1024
        buffer_size 4096
        rate 44100
        channels 2
    }
    bindings {
        0 0
        1 1
    }
}

pcm.dsnooper {
    type dsnoop
    ipc_key 2048
    ipc_perm 0666
    slave.pcm "snd_card"
    slave
    {
        period_time 0
        period_size 1024
        buffer_size 4096
        rate 44100
        channels 2
    }
    bindings {
        0 0
        1 1
    }
}

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soundrolf

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