Merci de ton aide
J'ai rebooté et exécuté ta commande une première fois.
Puis j'ai réactivé le son qui est redevenu normal et exécuté ta commande une deuxième fois.
Voici le résultat de tout ça dans le terminal :
aaron@aaron-XPS-8930:~$ journalctl -b | grep pulse
nov. 23 19:19:00 aaron-XPS-8930 gnome-session-binary[1400]: WARNING: App 'pulseaudio.desktop' exited with code 1
nov. 23 19:19:00 aaron-XPS-8930 pulseaudio.desktop[1819]: Échec lors de la connexion : Connexion refusée
nov. 23 19:19:00 aaron-XPS-8930 pulseaudio.desktop[1819]: Échec de pa_context_connect() : Connexion refusée
nov. 23 19:19:00 aaron-XPS-8930 gnome-session[1400]: gnome-session-binary[1400]: WARNING: App 'pulseaudio.desktop' exited with code 1
aaron@aaron-XPS-8930:~$ pulseaudio -D
aaron@aaron-XPS-8930:~$ journalctl -b | grep pulse
nov. 23 19:19:00 aaron-XPS-8930 gnome-session-binary[1400]: WARNING: App 'pulseaudio.desktop' exited with code 1
nov. 23 19:19:00 aaron-XPS-8930 pulseaudio.desktop[1819]: Échec lors de la connexion : Connexion refusée
nov. 23 19:19:00 aaron-XPS-8930 pulseaudio.desktop[1819]: Échec de pa_context_connect() : Connexion refusée
nov. 23 19:19:00 aaron-XPS-8930 gnome-session[1400]: gnome-session-binary[1400]: WARNING: App 'pulseaudio.desktop' exited with code 1
nov. 23 19:21:44 aaron-XPS-8930 dbus-daemon[773]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.101' (uid=1000 pid=2905 comm="pulseaudio -D " label="unconfined")
aaron@aaron-XPS-8930:~$
A tout hasard, je te liste le fichier
/etc/xdg/autostart/pulseaudio.desktop
[Desktop Entry]
Version=1.0
Name[af]=PulseAudio-klankstelsel
Name[as]=PulseAudio শব্দ ব্যৱস্থা
Name[be]=Гукавая сістэма PulseAudio
Name[bn_IN]=PulseAudio শব্দ ব্যবস্থা
Name[ca]=Sistema de so PulseAudio
Name[cs]=Zvukový systém PulseAudio
Name[da]=PulseAudio-lydsystem
Name[de_CH]=PulseAudio Sound System
Name[de]=PulseAudio Soundsystem
Name[el]=Σύστημα ήχου PulseAudio
Name[es]=Sistema de Sonido PulseAudio
Name[fi]=PulseAudio-äänijärjestelmä
Name[fr]=Système de son PulseAudio
Name[gu]=PulseAudio સાઉન્ડ સિસ્ટમ
Name[he]=מערכת הקול PulseAudio
Name[hi]=पल्सऑडियो ध्वनि तंत्र
Name[hu]=PulseAudio hangrendszer
Name[id]=Sistem Suara PulseAudio
Name[it]=Sistema sonoro PulseAudio
Name[ja]=PulseAudio サウンドシステム
Name[kn]=PulseAudio ಧ್ವನಿ ವ್ಯವಸ್ಥೆ
Name[ko]=펄스오디오 사운드 시스템
Name[lt]=PulseAudio garso sistema
Name[ml]=PulseAudio സൌണ്ട് സിസ്റ്റം
Name[mr]=PulseAudio आवाज प्रणाली
Name[nl]=PulseAudio geluidssysteem
Name[nn]=PulseAudio lydsystem
Name[oc]=Sistèma de son PulseAudio
Name[or]=PulseAudio ଧ୍ୱନି ତନ୍ତ୍ର
Name[pa]=ਪਲਸਆਡੀਓ ਸਾਊਂਡ ਸਿਸਟਮ
Name[pl]=System dźwięku PulseAudio
Name[pt_BR]=Sistema de som PulseAudio
Name[pt]=Sistema de Som PulseAudio
Name[ru]=Звуковая система PulseAudio
Name[sk]=Zvukový systém PulseAudio
Name[sr@latin]=PulseAudio zvučni sistem
Name[sr]=PulseAudio звучни систем
Name[sv]=PulseAudio ljudsystem
Name[ta]=பள்ஸ் ஆடியோ ஒலி கணினி
Name[te]=PulseAudio శబ్దపు సిస్టమ్
Name[tr]=PulseAudio Ses Sistemi
Name[uk]=Звукова система PulseAudio
Name[zh_CN]=PulseAudio 声音系统
Name[zh_TW]=PulseAudio 音效系統
Name=PulseAudio Sound System
Comment[af]=Begin die PulseAudio-klankstelsel
Comment[as]=PulseAudio শব্দ ব্যৱস্থা আৰম্ভ কৰা হ'ব
Comment[be]=Запуск гукавой сістэмы PulseAudio
Comment[bn_IN]=PulseAudio শব্দ ব্যবস্থা আরম্ভ করা হবে
Comment[ca]=Inicialitza el sistema de so PulseAudio
Comment[cs]=Spustit zvukový systém PulseAudio
Comment[da]=Start PulseAudio-lydsystemet
Comment[de_CH]=Das PulseAudio Sound System starten
Comment[de]=Das PulseAudio Soundsystem starten
Comment[el]=Έναρξη του συστήματος ήχου PulseAudio
Comment[es]=Iniciar el Sistema de Sonido PulseAudio
Comment[fi]=Käynnistä PulseAudio-äänijärjestelmä
Comment[fr]=Démarrer le système de son PulseAudio
Comment[gu]=PulseAudio સાઉન્ડ સિસ્ટમને શરૂ કરો
Comment[he]=התחל את מערכת הקול PulseAudio
Comment[hi]=पल्सऑडियो ध्वनि तंत्र प्रारंभ करें
Comment[hu]=A PulseAudio hangrendszer elindítása
Comment[id]=Memulai Sistem Suara PulseAudio
Comment[it]=Avvia il sistema sonoro PulseAudio
Comment[ja]=PulseAudio サウンドシステムを開始
Comment[kn]=PulseAudio ಧ್ವನಿ ವ್ಯವಸ್ಥೆಯನ್ನು ಆರಂಭಿಸಿ
Comment[ko]=펄스오디오 사운드 시스템을 시작합니다
Comment[lt]=Paleisti PulseAudio garso sistemą
Comment[ml]=PulseAudio സൌണ്ട് സിസ്റ്റം ആരംഭിക്കുക
Comment[mr]=PulseAudio आवाज प्रणाली सुरू करा
Comment[nl]=Start het PulseAudio geluidssysteem
Comment[nn]=Start PulseAudio-lydsystemet
Comment[oc]=Aviar lo sistèma de son PulseAudio
Comment[or]=PulseAudio ଧ୍ୱନି ତନ୍ତ୍ରକୁ ଆରମ୍ଭ କରନ୍ତୁ
Comment[pa]=ਪਲਸਆਡੀਓ ਸਾਊਂਡ ਸਿਸਟਮ ਚਲਾਓ
Comment[pl]=Uruchomienie systemu dźwięku PulseAudio
Comment[pt_BR]=Iniciar o sistema de som PulseAudio
Comment[pt]=Inciar o Sistema de Som PulseAudio
Comment[ru]=Запуск звуковой системы PulseAudio
Comment[sk]=Spustenie zvukového systému PulseAudio
Comment[sr@latin]=Pokreni PulseAudio zvučni sistem
Comment[sr]=Покрени PulseAudio звучни систем
Comment[sv]=Starta ljudsystemet PulseAudio
Comment[ta]=பள்ஸ் ஆடியோ ஒலி கணினியை துவக்கவும
Comment[te]=PulseAudio శబ్దపు సిస్టమ్ను ప్రారంభించుము
Comment[tr]=PulseAudio Ses Sistemini Başlat
Comment[uk]=Запустити звукову систему PulseAudio
Comment[zh_CN]=启动 PulseAudio 声音系统
Comment[zh_TW]=啟動 PulseAudio 音效系統
Comment=Start the PulseAudio Sound System
Exec=start-pulseaudio-x11
Terminal=false
Type=Application
X-GNOME-Autostart-Phase=Initialization
X-KDE-autostart-phase=1
NoDisplay=true
Un dernier point : en farfouillant un peu, je te liste aussi le fichier
/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
