$ echo 'APT::Default-Release "stable";' | sudo tee /etc/apt/apt.conf.d/99defaultrelease $ echo "deb http://ftp.de.debian.org/debian/ testing main contrib non-free" | sudo tee /etc/apt/sources.list.d/testing.list $ sudo apt update $ sudo apt -t testing install pipewire wireplumber libspa-0.2-bluetooth Recent versions of PipeWire and WirePlumber packages have been back-ported to bullseye, allowing for the use of the bullseye-backports repository instead of the testing repository: $ echo "deb http://deb.debian.org/debian bullseye-backports main contrib non-free" | sudo tee /etc/apt/sources.list.d/bullseye-backports.list $ sudo apt update $ sudo apt -t bullseye-backports install pipewire wireplumber libspa-0.2-bluetooth #!/usr/bin/python3 # SPDX-License-Identifier: LGPL-2.1-or-later import…