Standards
[CURRENT]
BS EN ISO 389-8
BS EN ISO 389-8
Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones
Title (German)
Akustik. Bezugpegel fuer die Audiometrie. Bezugs- Schwellen-Schalldruckpegel fuer Reintoene und circumaurale Kopfhoerer