在名为“录音机”的应用程序中，我无法以.m4a格式录制。该应用程序说，
“请安装其他插件（来自 gstreamer1.0-plugins-* 包）以支持 m4a 格式”
我该怎么做呢？
Ubuntu 20.04，
预装的应用程序：
$ sudo apt install ubuntu-restricted-extras
Reading package lists... Done
Building dependency tree
Reading state information... Done
ubuntu-restricted-extras is already the newest version (67).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
$ dpkg -l | grep gstreamer
ii gir1.2-gstreamer-1.0:amd64 1.16.2-2 amd64 GObject introspection data for the GStreamer library
ii gstreamer1.0-alsa:amd64 1.16.2-4ubuntu0.1 amd64 GStreamer plugin for ALSA
ii gstreamer1.0-clutter-3.0:amd64 3.0.27-1 amd64 Clutter PLugin for GStreamer 1.0
ii gstreamer1.0-gl:amd64 1.16.2-4ubuntu0.1 amd64 GStreamer plugins for GL
ii gstreamer1.0-gtk3:amd64 1.16.2-1ubuntu2.1 amd64 GStreamer plugin for GTK+3
ii gstreamer1.0-libav:amd64 1.16.2-2 amd64 ffmpeg plugin for GStreamer
ii gstreamer1.0-packagekit 1.1.13-2ubuntu1.1 amd64 GStreamer plugin to install codecs using PackageKit
ii gstreamer1.0-plugins-bad:amd64 1.16.2-2.1ubuntu1 amd64 GStreamer plugins from the "bad" set
ii gstreamer1.0-plugins-base:amd64 1.16.2-4ubuntu0.1 amd64 GStreamer plugins from the "base" set
ii gstreamer1.0-plugins-base-apps 1.16.2-4ubuntu0.1 amd64 GStreamer helper programs from the "base" set
ii gstreamer1.0-plugins-good:amd64 1.16.2-1ubuntu2.1 amd64 GStreamer plugins from the "good" set
ii gstreamer1.0-plugins-ugly:amd64 1.16.2-2build1 amd64 GStreamer plugins from the "ugly" set
ii gstreamer1.0-pulseaudio:amd64 1.16.2-1ubuntu2.1 amd64 GStreamer plugin for PulseAudio
ii gstreamer1.0-tools 1.16.2-2 amd64 Tools for use with GStreamer
ii gstreamer1.0-vaapi:amd64 1.16.2-2 amd64 VA-API plugins for GStreamer
ii gstreamer1.0-x:amd64 1.16.2-4ubuntu0.1 amd64 GStreamer plugins for X11 and Pango
ii libgstreamer-gl1.0-0:amd64 1.16.2-4ubuntu0.1 amd64 GStreamer GL libraries
ii libgstreamer-plugins-bad1.0-0:amd64 1.16.2-2.1ubuntu1 amd64 GStreamer libraries from the "bad" set
ii libgstreamer-plugins-base1.0-0:amd64 1.16.2-4ubuntu0.1 amd64 GStreamer libraries from the "base" set
ii libgstreamer-plugins-good1.0-0:amd64 1.16.2-1ubuntu2.1 amd64 GStreamer development files for libraries from the "good" set
ii libgstreamer1.0-0:amd64 1.16.2-2 amd64 Core GStreamer libraries and elements
$ dpkg -l | grep audio-recorder
ii audio-recorder 3.1.3~focal amd64 Audio recorder for GNOME and Unity Desktops.