STN - Slovenské národní normy

Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: Reference threshold of hearing for test signals of short duration (ISO 389-6:2007)

Dostupné jazyky: Anglicky

Dostupné prevedenie: Tlačené

Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2019)

Dostupné jazyky: Anglicky

Dostupné prevedenie: Tlačené

Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones (ISO 389-8:2004)

Dostupné jazyky: Anglicky

Dostupné prevedenie: Tlačené

Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO 389-9:2009)

Dostupné jazyky: Anglicky

Dostupné prevedenie: Tlačené

Acoustics. Standard reference zero for the calibration of pure-tone air conduction audiometers

Dostupné prevedenie: Tlačené

Acoustics. Reference zero for the calibration of audiometric equipment. Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:1998)

Dostupné prevedenie: Tlačené

Acoustics. Reference zero for the calibration of audiometric equipment. Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators

Dostupné prevedenie: Tlačené

Acoustics. Reference zero for the calibration of audiometric equipment. Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz (ISO/TR 389-5:1998)

Dostupné prevedenie: Tlačené

Acoustics. Reference zero for the calibration of audiometric equipment. Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions

Dostupné prevedenie: Tlačené

Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2005)

Dostupné prevedenie: Tlačené