/usr/share/alsa/alsa.conf.d/50-pulseaudio.conf is in libasound2-plugins 1.0.25-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | # Add a specific named PulseAudio pcm and ctl (typically useful for testing)
pcm.pulse {
type pulse
hint {
show on
description "PulseAudio Sound Server"
}
}
ctl.pulse {
type pulse
}
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