Acoustics - Standard tuning frequency (Standard musical pitch)

Hearing aids - Part 5: Nipples for insert earphones

Test code for machine tools - Part 5: Determination of the noise emission

Acoustics - Preferred frequencies

Environmental Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 2-8: Specification of environmental tests; Stationary use at underground locations

Acoustics - Measurement of sound absorption in a reverberation room

Measurement of noise emitted by accelerating road vehicles - Engineering method - Part 1: M and N categories

Measurement of noise emitted by accelerating road vehicles - Engineering method - Part 2: L category

Measurement of noise emitted by accelerating road vehicles – Engineering method – Part 3: Indoor testing M and N categories