Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components— 42 стр.
Medical electrical equipment. Particular requirements for the basic safety and essential performance of hearing instruments and hearing instrument systems— 48 стр.
BS EN 60601-2-66. Medical electrical equipment. Part 2-66. Particular requirements for the basic safety and essential performance of hearing instruments and hearing instrument systems— 48 стр.
Electroacoustics - Hearing aids -- Part 4: Induction-loop systems for hearing aid purposes - System performance requirements (IEC 60118-4:2014) (english version)