/etc/gnuradio/conf.d/gr-audio-alsa.conf /etc/gnuradio/conf.d/gr-audio-jack.conf /etc/gnuradio/conf.d/gr-audio-oss.conf /etc/gnuradio/conf.d/gr-audio-portaudio.conf /usr/lib64/libgnuradio-audio.so.3.10.12 /usr/lib64/libgnuradio-audio.so.3.10.12.0