Electroacoustics. Audio-frequency induction loop systems for assisted hearing. Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure— 18 стр.
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 2: Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure (IEC 62489-2:2011) (english version)
Electroacoustics - Hearing aids -- Part 4: Induction-loop systems for hearing aid purposes - System performance requirements (IEC 60118-4:2014) (english version)
Electroacoustics - Audio-frequency induction loop systems for assisted hearing -- Part 2: Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure (IEC 62489-2:2014) (english version)
