________________
> pulseaudio_ps_do
kiki        1707  0.0  0.2 2123460 17140 ?       S<sl 14:37   0:00 /usr/bin/pulseaudio --daemonize=no --log-target=journal
kiki        4734  0.0  0.0   3284   880 pts/1    S+   14:42   0:00 grep pulseaudio
________________
> which pulseaudio
/usr/bin/pulseaudio
________________
> pidof pulseaudio
1707
________________
> pulseaudio --version
pulseaudio 13.99.2
________________
> pactl info
Server String: /run/user/1000/pulse/native
Library Protocol Version: 34
Server Protocol Version: 34
Is Local: yes
Client Index: 23
Tile Size: 65472
User Name: kiki
Host Name: aurelie
Server Name: pulseaudio
Server Version: 13.99.2
Default Sample Specification: s16le 2ch 44100Hz
Default Channel Map: front-left,front-right
Default Sink: auto_null
Default Source: auto_null.monitor
Cookie: be24:81eb
________________
> pactl list
Module #0
	Name: module-device-restore
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Automatically restore the volume/mute state of devices"
		module.version = "13.99.2"

Module #1
	Name: module-stream-restore
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Automatically restore the volume/mute/device state of streams"
		module.version = "13.99.2"

Module #2
	Name: module-card-restore
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Automatically restore profile of cards"
		module.version = "13.99.2"

Module #3
	Name: module-augment-properties
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Augment the property sets of streams with additional static information"
		module.version = "13.99.2"

Module #4
	Name: module-switch-on-port-available
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "David Henningsson"
		module.description = "Switches ports and profiles when devices are plugged/unplugged"
		module.version = "13.99.2"

Module #5
	Name: module-switch-on-connect
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Michael Terry"
		module.description = "When a sink/source is added, switch to it or conditionally switch to it"
		module.version = "13.99.2"

Module #6
	Name: module-udev-detect
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Detect available audio hardware and load matching drivers"
		module.version = "13.99.2"

Module #7
	Name: module-bluetooth-policy
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Frédéric Dalleau, Pali Rohár"
		module.description = "Policy module to make using bluetooth devices out-of-the-box easier"
		module.version = "13.99.2"

Module #8
	Name: module-bluetooth-discover
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "João Paulo Rechi Vita"
		module.description = "Detect available Bluetooth daemon and load the corresponding discovery module"
		module.version = "13.99.2"

Module #9
	Name: module-bluez5-discover
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "João Paulo Rechi Vita"
		module.description = "Detect available BlueZ 5 Bluetooth audio devices and load BlueZ 5 Bluetooth audio drivers"
		module.version = "13.99.2"

Module #10
	Name: module-native-protocol-unix
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Native protocol (UNIX sockets)"
		module.version = "13.99.2"

Module #11
	Name: module-default-device-restore
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Automatically restore the default sink and source"
		module.version = "13.99.2"

Module #12
	Name: module-always-sink
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Colin Guthrie"
		module.description = "Always keeps at least one sink loaded even if it's a null one"
		module.version = "13.99.2"

Module #13
	Name: module-null-sink
	Argument: sink_name=auto_null sink_properties='device.description="Dummy Output"'
	Usage counter: 0
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Clocked NULL sink"
		module.version = "13.99.2"

Module #14
	Name: module-intended-roles
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Automatically set device of streams based on intended roles of devices"
		module.version = "13.99.2"

Module #15
	Name: module-suspend-on-idle
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "When a sink/source is idle for too long, suspend it"
		module.version = "13.99.2"

Module #16
	Name: module-console-kit
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Create a client for each ConsoleKit session of this user"
		module.version = "13.99.2"

Module #17
	Name: module-systemd-login
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Create a client for each login session of this user"
		module.version = "13.99.2"

Module #18
	Name: module-position-event-sounds
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Position event sounds between L and R depending on the position on screen of the widget triggering them."
		module.version = "13.99.2"

Module #19
	Name: module-role-cork
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Mute & cork streams with certain roles while others exist"
		module.version = "13.99.2"

Module #20
	Name: module-snap-policy
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Canonical Ltd"
		module.description = "Ubuntu Snap policy management"
		module.version = "13.99.2"

Module #21
	Name: module-filter-heuristics
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Colin Guthrie"
		module.description = "Detect when various filters are desirable"
		module.version = "13.99.2"

Module #22
	Name: module-filter-apply
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Colin Guthrie"
		module.description = "Load filter sinks automatically when needed"
		module.version = "13.99.2"

Module #23
	Name: module-x11-publish
	Argument: display=:0 xauthority=/run/user/1000/gdm/Xauthority
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "X11 credential publisher"
		module.version = "13.99.2"

Module #24
	Name: module-x11-cork-request
	Argument: display=:0 xauthority=/run/user/1000/gdm/Xauthority
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Synthesize X11 media key events when cork/uncork is requested"
		module.version = "13.99.2"

Module #25
	Name: module-x11-xsmp
	Argument: display=:0 xauthority=/run/user/1000/gdm/Xauthority session_manager=local/aurelie:@/tmp/.ICE-unix/1911,unix/aurelie:/tmp/.ICE-unix/1911
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "X11 session management"
		module.version = "13.99.2"

Module #26
	Name: module-cli-protocol-unix
	Argument: 
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Command line interface protocol (UNIX sockets)"
		module.version = "13.99.2"

Sink #0
	State: SUSPENDED
	Name: auto_null
	Description: Dummy Output
	Driver: module-null-sink.c
	Sample Specification: s16le 2ch 44100Hz
	Channel Map: front-left,front-right
	Owner Module: 13
	Mute: no
	Volume: front-left: 57672 /  88% / -3.33 dB,   front-right: 57672 /  88% / -3.33 dB
	        balance 0.00
	Base Volume: 65536 / 100% / 0.00 dB
	Monitor Source: auto_null.monitor
	Latency: 0 usec, configured 0 usec
	Flags: DECIBEL_VOLUME LATENCY SET_FORMATS 
	Properties:
		device.description = "Dummy Output"
		device.class = "abstract"
		device.icon_name = "audio-card"
	Formats:
		pcm

Source #0
	State: SUSPENDED
	Name: auto_null.monitor
	Description: Monitor of Dummy Output
	Driver: module-null-sink.c
	Sample Specification: s16le 2ch 44100Hz
	Channel Map: front-left,front-right
	Owner Module: 13
	Mute: no
	Volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% / 0.00 dB
	        balance 0.00
	Base Volume: 65536 / 100% / 0.00 dB
	Monitor of Sink: auto_null
	Latency: 0 usec, configured 0 usec
	Flags: DECIBEL_VOLUME LATENCY 
	Properties:
		device.description = "Monitor of Dummy Output"
		device.class = "monitor"
		device.icon_name = "audio-input-microphone"
	Formats:
		pcm

Client #0
	Driver: module-systemd-login.c
	Owner Module: 17
	Properties:
		application.name = "Login Session 2"
		systemd-login.session = "2"

Client #4
	Driver: module-x11-xsmp.c
	Owner Module: 25
	Properties:
		application.name = "XSMP Session on gnome-session as 10c1952c635deb345161285264937275600000019110062"
		xsmp.vendor = "gnome-session"
		xsmp.client.id = "10c1952c635deb345161285264937275600000019110062"

Client #5
	Driver: protocol-native.c
	Owner Module: 10
	Properties:
		application.name = "GNOME Shell Volume Control"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "34"
		application.id = "org.gnome.VolumeControl"
		application.icon_name = "multimedia-volume-control"
		application.version = "3.38.2"
		application.process.id = "1934"
		application.process.user = "kiki"
		application.process.host = "aurelie"
		application.process.binary = "gnome-shell"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "2b806b0808e5434a932c9c3e6aede3ed"

Client #6
	Driver: protocol-native.c
	Owner Module: 10
	Properties:
		application.name = "GNOME Volume Control Media Keys"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "34"
		application.id = "org.gnome.VolumeControl"
		application.icon_name = "multimedia-volume-control"
		application.version = ""
		application.process.id = "2063"
		application.process.user = "kiki"
		application.process.host = "aurelie"
		application.process.binary = "gsd-media-keys"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "2b806b0808e5434a932c9c3e6aede3ed"

Client #7
	Driver: protocol-native.c
	Owner Module: 10
	Properties:
		application.name = "GSConnect"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "34"
		application.id = "org.gnome.VolumeControl"
		application.icon_name = "multimedia-volume-control"
		application.version = "3.38.2"
		application.process.id = "2208"
		application.process.user = "kiki"
		application.process.host = "aurelie"
		application.process.binary = "gjs-console"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "2b806b0808e5434a932c9c3e6aede3ed"

Client #8
	Driver: protocol-native.c
	Owner Module: 10
	Properties:
		application.name = "Terminal"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "34"
		application.icon_name = "org.gnome.Terminal"
		window.x11.display = ":0"
		window.x11.screen = "0"
		application.process.id = "2253"
		application.process.user = "kiki"
		application.process.host = "aurelie"
		application.process.binary = "gnome-terminal-server"
		application.language = "en_US.UTF-8"
		application.process.machine_id = "2b806b0808e5434a932c9c3e6aede3ed"

Client #9
	Driver: protocol-native.c
	Owner Module: 10
	Properties:
		application.name = "org.gnome.Nautilus"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "34"
		application.icon_name = "org.gnome.Nautilus"
		window.x11.display = ":0"
		window.x11.screen = "0"
		application.process.id = "2031"
		application.process.user = "kiki"
		application.process.host = "aurelie"
		application.process.binary = "nautilus"
		application.language = "en_US.UTF-8"
		application.process.machine_id = "2b806b0808e5434a932c9c3e6aede3ed"

Client #11
	Driver: protocol-native.c
	Owner Module: 10
	Properties:
		application.name = "Mutter"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "34"
		application.process.id = "1934"
		application.process.user = "kiki"
		application.process.host = "aurelie"
		application.process.binary = "gnome-shell"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "2b806b0808e5434a932c9c3e6aede3ed"

Client #21
	Driver: protocol-native.c
	Owner Module: 10
	Properties:
		application.name = "apport-gtk"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "34"
		application.icon_name = "apport"
		window.x11.display = ":0"
		window.x11.screen = "0"
		application.process.id = "3953"
		application.process.user = "kiki"
		application.process.host = "aurelie"
		application.process.binary = "python3.8"
		application.language = "en_US.UTF-8"
		application.process.machine_id = "2b806b0808e5434a932c9c3e6aede3ed"

Client #24
	Driver: protocol-native.c
	Owner Module: 10
	Properties:
		application.name = "pactl"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "34"
		application.process.id = "4739"
		application.process.user = "kiki"
		application.process.host = "aurelie"
		application.process.binary = "pactl"
		application.language = "C"
		window.x11.display = ":0"
		application.process.machine_id = "2b806b0808e5434a932c9c3e6aede3ed"

Sample #0
	Name: bell-window-system
	Sample Specification: s16le 2ch 44100Hz
	Channel Map: front-left,front-right
	Volume: (invalid)
	        balance 0.00
	Duration: 0.3s
	Size: 49.9 KiB
	Lazy: no
	Filename: n/a
	Properties:
		media.role = "event"
		event.description = "Bell event"
		event.id = "bell-window-system"
		media.name = "bell-window-system"
		media.filename = "/usr/share/sounds/Yaru/stereo/bell.oga"
		application.name = "Mutter"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "34"
		application.process.id = "1934"
		application.process.user = "kiki"
		application.process.host = "aurelie"
		application.process.binary = "gnome-shell"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "2b806b0808e5434a932c9c3e6aede3ed"

Sample #1
	Name: dialog-information
	Sample Specification: s16le 2ch 44100Hz
	Channel Map: front-left,front-right
	Volume: (invalid)
	        balance 0.00
	Duration: 0.1s
	Size: 10.4 KiB
	Lazy: no
	Filename: n/a
	Properties:
		media.role = "event"
		event.description = "Message dialog shown"
		event.id = "dialog-information"
		media.name = "dialog-information"
		media.filename = "/usr/share/sounds/freedesktop/stereo/dialog-information.oga"
		application.name = "apport-gtk"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "34"
		application.icon_name = "apport"
		window.x11.display = ":0"
		window.x11.screen = "0"
		application.process.id = "2547"
		application.process.user = "kiki"
		application.process.host = "aurelie"
		application.process.binary = "python3.8"
		application.language = "en_US.UTF-8"
		application.process.machine_id = "2b806b0808e5434a932c9c3e6aede3ed"

Sample #2
	Name: dialog-error
	Sample Specification: s16le 2ch 44100Hz
	Channel Map: front-left,front-right
	Volume: (invalid)
	        balance 0.00
	Duration: 0.4s
	Size: 67.9 KiB
	Lazy: no
	Filename: n/a
	Properties:
		media.role = "event"
		event.description = "Message dialog shown"
		event.id = "dialog-error"
		media.name = "dialog-error"
		media.filename = "/usr/share/sounds/Yaru/stereo/dialog-error.oga"
		application.name = "apport-gtk"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "34"
		application.icon_name = "apport"
		window.x11.display = ":0"
		window.x11.screen = "0"
		application.process.id = "2715"
		application.process.user = "kiki"
		application.process.host = "aurelie"
		application.process.binary = "python3.8"
		application.language = "en_US.UTF-8"
		application.process.machine_id = "2b806b0808e5434a932c9c3e6aede3ed"
________________
> cat /etc/pulse/daemon.conf
# This file is part of PulseAudio.
#
# PulseAudio is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# PulseAudio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.

## Configuration file for the PulseAudio daemon. See pulse-daemon.conf(5) for
## more information. Default values are commented out.  Use either ; or # for
## commenting.

; daemonize = no
; fail = yes
; allow-module-loading = yes
; allow-exit = yes
; use-pid-file = yes
; system-instance = no
; local-server-type = user
; enable-shm = yes
; enable-memfd = yes
; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB
; lock-memory = no
; cpu-limit = no

; high-priority = yes
; nice-level = -11

; realtime-scheduling = yes
; realtime-priority = 5

; exit-idle-time = 20
; scache-idle-time = 20

; dl-search-path = (depends on architecture)

; load-default-script-file = yes
; default-script-file = /etc/pulse/default.pa

; log-target = auto
; log-level = notice
; log-meta = no
; log-time = no
; log-backtrace = 0

; resample-method = speex-float-1
; avoid-resampling = false
; enable-remixing = yes
; remixing-use-all-sink-channels = yes
; remixing-produce-lfe = no
; remixing-consume-lfe = no
; lfe-crossover-freq = 0

; flat-volumes = no

; rescue-streams = yes

; rlimit-fsize = -1
; rlimit-data = -1
; rlimit-stack = -1
; rlimit-core = -1
; rlimit-as = -1
; rlimit-rss = -1
; rlimit-nproc = -1
; rlimit-nofile = 256
; rlimit-memlock = -1
; rlimit-locks = -1
; rlimit-sigpending = -1
; rlimit-msgqueue = -1
; rlimit-nice = 31
; rlimit-rtprio = 9
; rlimit-rttime = 200000

; default-sample-format = s16le
; default-sample-rate = 44100
; alternate-sample-rate = 48000
; default-sample-channels = 2
; default-channel-map = front-left,front-right

; default-fragments = 4
; default-fragment-size-msec = 25

; enable-deferred-volume = yes
deferred-volume-safety-margin-usec = 1
; deferred-volume-extra-delay-usec = 0
________________
> cat /etc/pulse/client.conf
# This file is part of PulseAudio.
#
# PulseAudio is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# PulseAudio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.

## Configuration file for PulseAudio clients. See pulse-client.conf(5) for
## more information. Default values are commented out.  Use either ; or # for
## commenting.

; default-sink =
; default-source =
; default-server =
; default-dbus-server =

; autospawn = yes
; daemon-binary = /usr/bin/pulseaudio
; extra-arguments = --log-target=syslog

; cookie-file =

; enable-shm = yes
; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB

; auto-connect-localhost = no
; auto-connect-display = no
________________
> cat /etc/pulse/default.pa
#!/usr/bin/pulseaudio -nF
#
# This file is part of PulseAudio.
#
# PulseAudio is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# PulseAudio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.

# This startup script is used only if PulseAudio is started per-user
# (i.e. not in system mode)

.fail

### Automatically restore the volume of streams and devices
load-module module-device-restore
load-module module-stream-restore
load-module module-card-restore

### Automatically augment property information from .desktop files
### stored in /usr/share/application
load-module module-augment-properties

### Should be after module-*-restore but before module-*-detect
load-module module-switch-on-port-available

### Use hot-plugged devices like Bluetooth or USB automatically (LP: #1702794)
.ifexists module-switch-on-connect.so
load-module module-switch-on-connect
.endif

### Load audio drivers statically
### (it's probably better to not load these drivers manually, but instead
### use module-udev-detect -- see below -- for doing this automatically)
#load-module module-alsa-sink
#load-module module-alsa-source device=hw:1,0
#load-module module-oss device="/dev/dsp" sink_name=output source_name=input
#load-module module-oss-mmap device="/dev/dsp" sink_name=output source_name=input
#load-module module-null-sink
#load-module module-pipe-sink

### Automatically load driver modules depending on the hardware available
.ifexists module-udev-detect.so
load-module module-udev-detect
.else
### Use the static hardware detection module (for systems that lack udev support)
load-module module-detect
.endif

### Automatically connect sink and source if JACK server is present
.ifexists module-jackdbus-detect.so
.nofail
load-module module-jackdbus-detect channels=2
.fail
.endif

### Automatically load driver modules for Bluetooth hardware
.ifexists module-bluetooth-policy.so
load-module module-bluetooth-policy
.endif

.ifexists module-bluetooth-discover.so
load-module module-bluetooth-discover
.endif

### Load several protocols
.ifexists module-esound-protocol-unix.so
load-module module-esound-protocol-unix
.endif
load-module module-native-protocol-unix

### Network access (may be configured with paprefs, so leave this commented
### here if you plan to use paprefs)
#load-module module-esound-protocol-tcp
#load-module module-native-protocol-tcp
#load-module module-zeroconf-publish

### Load the RTP receiver module (also configured via paprefs, see above)
#load-module module-rtp-recv

### Load the RTP sender module (also configured via paprefs, see above)
#load-module module-null-sink sink_name=rtp format=s16be channels=2 rate=44100 sink_properties="device.description='RTP Multicast Sink'"
#load-module module-rtp-send source=rtp.monitor

### Load additional modules from GSettings. This can be configured with the paprefs tool.
### Please keep in mind that the modules configured by paprefs might conflict with manually
### loaded modules.
.ifexists module-gsettings.so
.nofail
load-module module-gsettings
.fail
.endif


### Automatically restore the default sink/source when changed by the user
### during runtime
### NOTE: This should be loaded as early as possible so that subsequent modules
### that look up the default sink/source get the right value
load-module module-default-device-restore

### Make sure we always have a sink around, even if it is a null sink.
load-module module-always-sink

### Honour intended role device property
load-module module-intended-roles

### Automatically suspend sinks/sources that become idle for too long
load-module module-suspend-on-idle

### If autoexit on idle is enabled we want to make sure we only quit
### when no local session needs us anymore.
.ifexists module-console-kit.so
load-module module-console-kit
.endif
.ifexists module-systemd-login.so
load-module module-systemd-login
.endif

### Enable positioned event sounds
load-module module-position-event-sounds

### Cork music/video streams when a phone stream is active
load-module module-role-cork

### Block audio recording for snap confined packages unless they have
### the "pulseaudio" or "audio-record" interfaces plugged.
.ifexists module-snap-policy.so
load-module module-snap-policy
.endif

### Modules to allow autoloading of filters (such as echo cancellation)
### on demand. module-filter-heuristics tries to determine what filters
### make sense, and module-filter-apply does the heavy-lifting of
### loading modules and rerouting streams.
load-module module-filter-heuristics
load-module module-filter-apply

### Make some devices default
#set-default-sink output
#set-default-source input
________________
> cat /etc/pulse/system.pa
#!/usr/bin/pulseaudio -nF
#
# This file is part of PulseAudio.
#
# PulseAudio is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# PulseAudio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.

# This startup script is used only if PulseAudio is started in system
# mode.

### Automatically restore the volume of streams and devices
load-module module-device-restore
load-module module-stream-restore
load-module module-card-restore

### Automatically load driver modules depending on the hardware available
.ifexists module-udev-detect.so
load-module module-udev-detect
.else
### Use the static hardware detection module (for systems that lack udev/hal support)
load-module module-detect
.endif

### Load several protocols
.ifexists module-esound-protocol-unix.so
load-module module-esound-protocol-unix
.endif
load-module module-native-protocol-unix

### Automatically restore the default sink/source when changed by the user
### during runtime
### NOTE: This should be loaded as early as possible so that subsequent modules
### that look up the default sink/source get the right value
load-module module-default-device-restore

### Make sure we always have a sink around, even if it is a null sink.
load-module module-always-sink

### Automatically suspend sinks/sources that become idle for too long
load-module module-suspend-on-idle

### Enable positioned event sounds
load-module module-position-event-sounds
________________
> ls -alt /dev/snd/*
crw-rw----+ 1 root audio 116,  1 Feb  9 14:37 /dev/snd/seq
crw-rw----+ 1 root audio 116, 33 Feb  9 14:37 /dev/snd/timer
________________
> lsof /dev/snd/*
________________
> jacks_do
ls: cannot access '/proc/asound/card[0-9]': No such file or directory
________________
> aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)
default
    Playback/recording through the PulseAudio sound server
samplerate
    Rate Converter Plugin Using Samplerate Library
speexrate
    Rate Converter Plugin Using Speex Resampler
jack
    JACK Audio Connection Kit
oss
    Open Sound System
pulse
    PulseAudio Sound Server
upmix
    Plugin for channel upmix (4,6,8)
vdownmix
    Plugin for channel downmix (stereo) with a simple spacialization
________________
> arecord -L
null
    Discard all samples (playback) or generate zero samples (capture)
default
    Playback/recording through the PulseAudio sound server
samplerate
    Rate Converter Plugin Using Samplerate Library
speexrate
    Rate Converter Plugin Using Speex Resampler
jack
    JACK Audio Connection Kit
oss
    Open Sound System
pulse
    PulseAudio Sound Server
upmix
    Plugin for channel upmix (4,6,8)
vdownmix
    Plugin for channel downmix (stereo) with a simple spacialization
________________
> alsa_info_do
alsactl: save_state:1595: No soundcards found...
cat: /tmp/alsa-info.Kc5i5oM3P9/alsactl.tmp: No such file or directory
dmesg: read kernel buffer failed: Operation not permitted
upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.4.65
!!################################

!!Script ran on: Tue Feb  9 06:42:09 UTC 2021


!!Linux Distribution
!!------------------

Ubuntu 20.10 \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 20.10" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 20.10" HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=groovy


!!DMI Information
!!---------------

Manufacturer:      Acer
Product Name:      Swift SF314-54
Product Version:   V1.11
Firmware Version:  V1.11
Board Vendor:      KBL
Board Name:        Strongbow_KL


!!ACPI Device Status Information
!!---------------

/sys/bus/acpi/devices/10250759:00/status 	 15
/sys/bus/acpi/devices/10251229:00/status 	 15
/sys/bus/acpi/devices/ACPI0003:00/status 	 15
/sys/bus/acpi/devices/ACPI000C:00/status 	 15
/sys/bus/acpi/devices/INT33A1:00/status 	 15
/sys/bus/acpi/devices/INT3400:00/status 	 15
/sys/bus/acpi/devices/INT3403:07/status 	 15
/sys/bus/acpi/devices/INT340E:00/status 	 15
/sys/bus/acpi/devices/INT344B:00/status 	 15
/sys/bus/acpi/devices/INT3F0D:00/status 	 15
/sys/bus/acpi/devices/LNXPOWER:00/status 	 1
/sys/bus/acpi/devices/MSFT0101:00/status 	 15
/sys/bus/acpi/devices/PNP0103:00/status 	 15
/sys/bus/acpi/devices/PNP0C02:00/status 	 3
/sys/bus/acpi/devices/PNP0C02:04/status 	 3
/sys/bus/acpi/devices/PNP0C09:00/status 	 15
/sys/bus/acpi/devices/PNP0C0A:00/status 	 31
/sys/bus/acpi/devices/PNP0C0D:00/status 	 15
/sys/bus/acpi/devices/PNP0C0F:00/status 	 9
/sys/bus/acpi/devices/PNP0C0F:01/status 	 9
/sys/bus/acpi/devices/PNP0C0F:02/status 	 9
/sys/bus/acpi/devices/PNP0C0F:03/status 	 9
/sys/bus/acpi/devices/PNP0C0F:04/status 	 9
/sys/bus/acpi/devices/PNP0C0F:05/status 	 9
/sys/bus/acpi/devices/PNP0C0F:06/status 	 9
/sys/bus/acpi/devices/PNP0C0F:07/status 	 9
/sys/bus/acpi/devices/SYN1B7F:00/status 	 15
/sys/bus/acpi/devices/device:17/status 	 15
/sys/bus/acpi/devices/device:26/status 	 15
/sys/bus/acpi/devices/device:32/status 	 15
/sys/bus/acpi/devices/device:73/status 	 11


!!Kernel Information
!!------------------

Kernel release:    5.8.0-41-generic
Operating System:  GNU/Linux
Architecture:      x86_64
Processor:         x86_64
SMP Enabled:       Yes


!!ALSA Version
!!------------

Driver version:     k5.8.0-41-generic
Library version:    1.2.3.2
Utilities version:  1.2.3


!!Loaded ALSA modules
!!-------------------



!!Sound Servers on this system
!!----------------------------

Pulseaudio:
      Installed - Yes (/usr/bin/pulseaudio)
      Running - Yes

Jack:
      Installed - Yes (/usr/bin/jackd)
      Running - No


!!Soundcards recognised by ALSA
!!-----------------------------

--- no soundcards ---


!!PCI Soundcards installed in the system
!!--------------------------------------

00:1f.3 Multimedia audio controller [0401]: Intel Corporation Sunrise Point-LP HD Audio [8086:9d71] (rev 21)
	Subsystem: Acer Incorporated [ALI] Sunrise Point-LP HD Audio [1025:1269]


!!Modprobe options (Sound related)
!!--------------------------------

snd_pcsp: index=-2
snd_usb_audio: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_usb_audio: index=-2
snd_usb_caiaq: index=-2
snd_usb_ua101: index=-2
snd_usb_us122l: index=-2
snd_usb_usx2y: index=-2
snd_cmipci: mpu_port=0x330 fm_port=0x388
snd_pcsp: index=-2
snd_usb_audio: index=-2


!!Loaded sound module options
!!---------------------------


!!ALSA Device nodes
!!-----------------

crw-rw----+ 1 root audio 116,  1 Feb  9 14:37 /dev/snd/seq
crw-rw----+ 1 root audio 116, 33 Feb  9 14:37 /dev/snd/timer


!!Aplay/Arecord output
!!--------------------

APLAY

aplay: device_list:274: no soundcards found...

ARECORD

arecord: device_list:274: no soundcards found...

!!Amixer output
!!-------------


!!Alsactl output
!!--------------

--startcollapse--
--endcollapse--


!!All Loaded Modules
!!------------------

acer_wireless
acer_wmi
acpi_pad
acpi_thermal_rel
aesni_intel
af_alg
ahci
algif_hash
algif_skcipher
autofs4
bluetooth
bnep
bridge
btbcm
btintel
btrtl
btusb
ccm
cec
cfg80211
cmac
coretemp
crc32_pclmul
crct10dif_pclmul
cryptd
crypto_simd
dm_crypt
drm
drm_kms_helper
ecc
ecdh_generic
efi_pstore
fb_sys_fops
ghash_clmulni_intel
glue_helper
hid
hid_generic
hid_logitech_dj
hid_logitech_hidpp
hid_multitouch
i2c_algo_bit
i2c_hid
i2c_i801
i2c_smbus
i915
idma64
input_leds
int3400_thermal
int3403_thermal
int340x_thermal_zone
intel_cstate
intel_lpss
intel_lpss_pci
intel_pch_thermal
intel_powerclamp
intel_rapl_common
intel_rapl_msr
intel_soc_dts_iosf
intel_wmi_thunderbolt
intel_xhci_usb_role_switch
ip_tables
ipt_REJECT
isofs
iwlmvm
iwlwifi
joydev
kvm
kvm_intel
libahci
libarc4
libcrc32c
llc
lp
mac80211
mac_hid
mc
mei
mei_hdcp
mei_me
nf_conntrack
nf_defrag_ipv4
nf_defrag_ipv6
nf_nat
nf_reject_ipv4
nf_tables
nfnetlink
nft_chain_nat
nft_compat
nft_counter
nls_iso8859_1
nls_utf8
parport
parport_pc
pinctrl_intel
pinctrl_sunrisepoint
ppdev
processor_thermal_device
rapl
rc_core
rfcomm
roles
sch_fq_codel
serio_raw
snd
snd_hda_codec
snd_hda_core
snd_hda_intel
snd_hwdep
snd_intel_dspcfg
snd_pcm
snd_rawmidi
snd_seq
snd_seq_device
snd_seq_midi
snd_seq_midi_event
snd_timer
soundcore
sparse_keymap
stp
syscopyarea
sysfillrect
sysimgblt
uas
usb_storage
usbhid
uvcvideo
video
videobuf2_common
videobuf2_memops
videobuf2_v4l2
videobuf2_vmalloc
videodev
virt_dma
wmi
wmi_bmof
x86_pkg_temp_thermal
x_tables
xhci_pci
xhci_pci_renesas
xt_CHECKSUM
xt_MASQUERADE
xt_conntrack
xt_tcpudp


!!ALSA/HDA dmesg
!!--------------



!!Packages installed
!!--------------------

ii  alsa-topology-conf                            1.2.3-1                              all          ALSA topology configuration files
ii  alsa-ucm-conf                                 1.2.2-1ubuntu5.1                     all          ALSA Use Case Manager configuration files
ii  alsa-utils                                    1.2.3-1ubuntu1                       amd64        Utilities for configuring and using ALSA