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ČSN is a protected designation of Czech national technical standards.
Acoustics. Reference zero for the calibration of audiometric equipment. Part 2: Reference equivalent threshold sound pressure level for pure tones and insert earphones
Standard published on 1.5.1996
Selected format:Akustika. Referenční nula pro kalibraci audiometrických přístrojů. Část 2: Referenční ekvivalentní prahové hladiny akustického tlaku pro čisté tóny a vložná sluchátka.
Change published on 1.3.1997
Selected format:Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators
Standard published on 1.12.2016
Selected format:Acoustics. Reference zero for the calibration of audiometric equipment. Part 4: Reference levels for narrow-band masking noise
Standard published on 1.5.1996
Selected format:Akustika. Referenční nula pro kalibraci audiometrických přístrojů. Část 4: Referenční hladiny pro úzkopásmový maskovací šum.
Change published on 1.4.1999
Selected format: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
Standard published on 1.7.2007
Selected format:Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: Reference threshold of hearing test signals of short duration
Standard published on 1.1.2008
Selected format:Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
Standard published on 1.3.2022
Selected format:Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones
Standard published on 1.1.2005
Selected format:Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels
Standard published on 1.1.2010
Selected format:Latest update: 2024-09-09 (Number of items: 2 346 212)
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