Voici les résultats :
toto:~$ dpkg -l|grep alsa
ii alsa-base 1.0.25+dfsg-0ubuntu5 all ALSA driver configuration files
ii alsa-topology-conf 1.2.2-1 all ALSA topology configuration files
ii alsa-ucm-conf 1.2.2-1ubuntu0.5 all ALSA Use Case Manager configuration files
ii alsa-utils 1.2.2-1ubuntu2 amd64 Utilities for configuring and using ALSA
ii gstreamer1.0-alsa:amd64 1.16.2-4 amd64 GStreamer plugin for ALSA
toto:~$
toto:~$ dpkg -l|grep pulseaudio
ii gstreamer1.0-pulseaudio:amd64 1.16.2-1ubuntu2 amd64 GStreamer plugin for PulseAudio
ii libkf5pulseaudioqt2:amd64 1.2-2build1 amd64 Pulseaudio bindings library for Qt
ii pulseaudio 1:13.99.1-1ubuntu3.10 amd64 PulseAudio sound server
ii pulseaudio-module-bluetooth 1:13.99.1-1ubuntu3.10 amd64 Bluetooth module for PulseAudio sound server
ii pulseaudio-utils 1:13.99.1-1ubuntu3.10 amd64 Command line tools for the PulseAudio sound server
toto:~$
