Acoustics. Statistical distribution of hearing thresholds of otologically normal persons in the age range from 18 years to 25 years under free-field listening conditions— 22 стр.
Acoustics -- Reference zero for the calibration of audiometric equipment -- Part 8:Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones— 12 стр.
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— 14 стр.
Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones— 12 стр.
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones— 16 стр.
