Debugging your PulseAudio/Alsa sound via Nvidia HDMI?

Check out the following posts, they will surely help you!

For those who also use a Zotac GT 430 (under Ubuntu) ;

  • The following channel was a succes :

    aplay -Dplughw:1,9 /usr/share/sounds/alsa/Front_Center.wav

  • Added “load-module module-alsa-sink device=plughw:1,9” to /etc/pulseaudio/default.pa
  • Changed “/usr/share/alsa/alsa.conf
    defaults.ctl.card NVidia
    defaults.pcm.card NVidia
    defaults.pcm.device 9

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