I wanted to check it out. Installed sox on Ubuntu 17.04 and it's not working
sox FAIL formats: no handler for given file type `coreaudio' sox FAIL formats: no handler for given file type `coreaudio' cat /dev/urandom | sox -traw -r44100 -b16 -e unsigned-integer - -tpulseaudio synth pinknoise band -n 1400 200 tremolo 40 .1 gain 8