fyi -
# sudo fuser -v /dev/snd/* USER PID ACCESS COMMAND /dev/snd/controlC1: speech-dispatcher 1027 F.... pulseaudio /dev/snd/pcmC1D0p: speech-dispatcher 1027 F...m pulseaudio
fyi -
# sudo fuser -v /dev/snd/*
USER PID ACCESS COMMAND
/dev/snd/controlC1: speech-dispatcher 1027 F.... pulseaudio
/dev/snd/pcmC1D0p: speech-dispatcher 1027 F...m pulseaudio