Binary package “libphonon4qt5-4” in ubuntu focal

multimedia framework from KDE using Qt 5 - core library

 Phonon is a Qt 5 multimedia API, which provides a task-oriented abstraction
 layer for capturing, mixing, processing, and playing audio and video content.
 This package contains the core library of the Phonon cross-platform multimedia
 framework from KDE. It is required to run applications that use Phonon.