Accoustics in theatres and multipurpose halls; measures to avoid impairing the audience's hearing by high sound-pressure levels from loudspeaker reproduction— 3 стр.
Event-Technology - Sound Engineering - Part 5: Measures to prevent the risk of hearing loss of the audience by high sound exposure of electroacoustic sound systems— 17 стр.
Event-Technology - Sound Engineering - Part 5: Measures to prevent the risk of hearing loss of the audience by high sound exposure of electroacoustic sound systems— 17 стр.
