libgnuradio-audio3.8.0 3.8.0.0-5ubuntu1 (ppc64el binary) in ubuntu focal

 This is the gr-audio library, used to connect to audio sources
 (mic-in) and sinks (speaker-out) ports on a computer. The underlying
 hardware driver is system and OS dependent and this module should
 automatically discover the correct one to use. Part of the main
 gnuradio build.