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#1 2021-06-10 21:11:27

kubax
Member
Registered: 2014-10-22
Posts: 16

no 5.1 sound over hdmi (only PCM 2.0 send to receiver)

Hi,

i just realized that my 5.1 setup (which worked before) stopped sending PCM 5.1 oder hdmi to my receiver.

The Receiver says that it only get's PCM 2.0 from the hdmi signal.

Testing with gnome audio settings i can even see the audio level indicator move when i test anything else than left or right.

Speaker-test -c6 also just plays at left and right.

I sanity tested with windows to see if my receiver is the problem, but it seems to work flawlessly there.

The threads that i did find reporting a similar problem either didn't fix my problem, or did not get any solution.

Tried switching from pulse to pipewire (using pipewire right now) that also doesnt solve the problem. I'm a litle bit clueless right now.

Here some informations:

sudo fuser -v /dev/snd/*

                     BEN.        PID ZUGR.  BEFEHL
/dev/snd/controlC0:  username     F.... pipewire
                     username     F.... pipewire-media-
/dev/snd/controlC1:  username     F.... pipewire-media-
/dev/snd/controlC2:  username     F.... pipewire-media-
/dev/snd/controlC3:  username     F.... pipewire-media-
/dev/snd/controlC4:  username     F.... pipewire-media-
/dev/snd/pcmC0D7p:   username     F...m pipewire
/dev/snd/seq:        username     F.... pipewire

aplay -l

**** Liste der Hardware-Geräte (PLAYBACK) ****
Karte 0: NVidia [HDA NVidia], Gerät 3: HDMI 0 [HDMI 0]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 0: NVidia [HDA NVidia], Gerät 7: HDMI 1 [HDMI 1]
  Sub-Geräte: 0/1
  Sub-Gerät #0: subdevice #0
Karte 0: NVidia [HDA NVidia], Gerät 8: HDMI 2 [HDMI 2]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 0: NVidia [HDA NVidia], Gerät 9: HDMI 3 [HDMI 3]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 0: NVidia [HDA NVidia], Gerät 10: HDMI 4 [HDMI 4]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 0: NVidia [HDA NVidia], Gerät 11: HDMI 5 [HDMI 5]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 0: NVidia [HDA NVidia], Gerät 12: HDMI 6 [HDMI 6]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 2: Air [Elo 7.1 Air], Gerät 0: USB Audio [USB Audio]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0

aplay -L

null
    Discard all samples (playback) or generate zero samples (capture)
samplerate
    Rate Converter Plugin Using Samplerate Library
speexrate
    Rate Converter Plugin Using Speex Resampler
jack
    JACK Audio Connection Kit
oss
    Open Sound System
pipewire
    PipeWire Sound Server
pulse
    PulseAudio Sound Server
speex
    Plugin using Speex DSP (resample, agc, denoise, echo, dereverb)
upmix
    Plugin for channel upmix (4,6,8)
vdownmix
    Plugin for channel downmix (stereo) with a simple spacialization
default
    Default ALSA Output (currently PulseAudio Sound Server)
hdmi:CARD=NVidia,DEV=0
    HDA NVidia, HDMI 0
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=1
    HDA NVidia, HDMI 1
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=2
    HDA NVidia, HDMI 2
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 3
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=4
    HDA NVidia, HDMI 4
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=5
    HDA NVidia, HDMI 5
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=6
    HDA NVidia, HDMI 6
    HDMI Audio Output
usbstream:CARD=NVidia
    HDA NVidia
    USB Stream Output
usbstream:CARD=U0x1e4e0x7016
    USB Device 0x1e4e:0x7016
    USB Stream Output
sysdefault:CARD=Air
    Elo 7.1 Air, USB Audio
    Default Audio Device
front:CARD=Air,DEV=0
    Elo 7.1 Air, USB Audio
    Front output / input
surround21:CARD=Air,DEV=0
    Elo 7.1 Air, USB Audio
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=Air,DEV=0
    Elo 7.1 Air, USB Audio
    4.0 Surround output to Front and Rear speakers
surround41:CARD=Air,DEV=0
    Elo 7.1 Air, USB Audio
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Air,DEV=0
    Elo 7.1 Air, USB Audio
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Air,DEV=0
    Elo 7.1 Air, USB Audio
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Air,DEV=0
    Elo 7.1 Air, USB Audio
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Air,DEV=0
    Elo 7.1 Air, USB Audio
    IEC958 (S/PDIF) Digital Audio Output
usbstream:CARD=Air
    Elo 7.1 Air
    USB Stream Output
usbstream:CARD=C920
    HD Pro Webcam C920
    USB Stream Output
usbstream:CARD=Mic
    Valve VR Radio & HMD Mic
    USB Stream Output

since i switched to pipewire in the hope that would solve my problem, there is no pacmd anymore.. so no list-sinks etc. for now.

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