I can confirm #14, besides of the fact that I had to use "PlaybackPulseAudioMixer" instead of "PlaybackBuiltinAudioAnalogStereoPulseAudioMixer". The correct thing to use can be looked up in xfce4-mixer/sound-cards/.
I can confirm #14, besides of the fact that I had to use "PlaybackPulseA udioMixer" instead of "PlaybackBuilti nAudioAnalogSte reoPulseAudioMi xer". The correct thing to use can be looked up in xfce4-mixer/ sound-cards/ .