EN ISO 10534-2:2023 Acoustics - Determination of acoustic properties in impedance tubes - Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance (ISO 10534-2:2023)
2023EN ISO 10534-2:2023 Acoustics - Determination of acoustic properties in impedance tubes - Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance (ISO 10534-2:2023)
2001EN ISO 10534-2:2001 Acoustics - Determination of Sound Absorption Coefficient and Impedance in Impedances Tubes - Part 2: Transfer-Function Method