Hi Jerry,
According to dpkg I am using the librespeaker 2.0.0-build1.
here in attached you can find the two scripts and two recordings made with them. One with noise suppression (main_vep__nr_test.cc) and one without (main_vep_test.cc).
main_vep_test.zip (375 KB)
main_vep_nr_test.zip (152 KB)