Norm
[AKTUELL]
AS ISO 389.7
AS ISO 389.7
Acoustics - Reference zero for the calibration of audiometric equipment, Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
Titel (englisch)
Acoustics - Reference zero for the calibration of audiometric equipment, Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions