ČSN - Czech national standards

Acoustics. Reference zero for the calibration of audiometric equipment. Part 4: Reference levels for narrow-band masking noise

Available languages: Czech

Available design: Print design

Akustika. Referenční nula pro kalibraci audiometrických přístrojů. Část 4: Referenční hladiny pro úzkopásmový maskovací šum.

Available languages: Czech

Available design: Print design

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

Available languages: Czech

Available design: Print design

Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: Reference threshold of hearing test signals of short duration

Available languages: Czech

Available design: Print design

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

Available languages: Czech

Available design: Print design

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

Available languages: Czech

Available design: Print design

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

Available languages: Czech

Available design: Print design

Available design: Print design

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)

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

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