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I am trying to create both a virtual speaker and a virtual microphone to direct the output from one software to the input of another software, but I am running in dead ends trying to figure out how to use PulseAudio in such a way, most posts I have found are not helping me at all with my problem. Can someone please help me?

Basically:

Virtual Speaker ---> Virtual Microphone

  • And if using the associated .monitor source is not enough, see the many answers on this site that include "null sink" (this is your "virtual speaker"). – dirkt Apr 4 at 17:15
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Pulseaudio automatically creates a monitor source for any audio playback sink

on my system Pulseaudio card Profile is set to Analog Stereo Output instead of Analog Stereo Duplex for input+output. checking available sinks with 'pactl list short sinks' responds

0   alsa_output.pci-0000_04_06.0.analog-stereo  module-alsa-card.c  s32le 2ch 48000Hz   IDLE

and for 'pactl list short sources'

0   alsa_output.pci-0000_04_06.0.analog-stereo.monitor  module-alsa-card.c  s32le 2ch 48000Hz   IDLE

audio playing to alsa_output.pci-0000_04_06.0.analog-stereo can be recorded from alsa_output.pci-0000_04_06.0.analog-stereo.monitor

in Pulseaudio Volume Control GUI, monitor sources are not visible as input devices by default in pulseaudio -t 4 dropdown menu at bottom right of window 'Show' is usually set to show only 'Hardware input devices' change this to 'All input devices' to make monitor sources visible

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  • Thanks, but I don't have a GUI on that machine. I did create the sources for the sink monitors, but it seems that the sources I bound uppon them are not using ALSA. Do you know how I can create a ALSA source on that monitor from the console? – Aperture Development Apr 5 at 20:24

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