%0 Electronic Article %A J. Baldwin %X Researchers at Philips Research Netherlands have presented a wideband human presence sensor with integrated audio and ultrasound processing. The detector shows substantive improvement in occupancy determination under silent and stationary occupancy. %@ 0013-5194 %T Sound seeing %B Electronics Letters %D November 2012 %V 48 %N 24 %P 1516-1516 %I Institution of Engineering and Technology %U https://digital-library.theiet.org/;jsessionid=1ndg03mhj1hhh.x-iet-live-01content/journals/10.1049/el.2012.3924 %G EN