InfoComm 2018: Nureva Shows Off Its HDL300 Audio Conferencing System With Microphone Mist TechnologyJune 8, 2018 | Home / June 8, 2018 rave-video / InfoComm 2018: Nureva Shows Off Its HDL300 Audio Conferencing System With Microphone Mist Technology InfoComm 2018: Nureva Shows Off Its HDL300 Audio Conferencing System With Microphone Mist Technology