law courts / air conditioning equipment / law court / noise energy / resonant systems / direct and earlyarriving speech energy / mechanical systems / less speech energy / later-arriving speech energy / reflected sound energy / /
MarketIndex
Speech Transmission / /
Organization
National Research Council’s Institute for Research / National Research Council of Canada / Nuclear Regulatory Commission / Institute for Research / /
Person
J.S. Bradley / / /
Position
room Large lecture hall theatre Maximum noise dBA NC RT / RT / acoustical consultant / teacher / volume/RT / senior research officer / Law court High school classroom General / speaker / /
Technology
speech recognition / equivalent Construction Technology / following Construction Technology / Construction Technology / /
C o n s t r u c t i o n Te c h n o l o g y U p d a t e N o[removed]Acoustical Design of Rooms for Speech by J.S. Bradley This Update explains the acoustical requirements conducive to relaxed and