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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.
Electroacoustics - Simulators of human head and ear - Part 2: An interim acoustic coupler for the calibration of audiometric earphones in the extended high-frequency range— 19 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 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones— 16 стр.
Electroacoustics. Simulators of human head and ear. Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts— 22 стр.
Acoustics. Reference zero for the calibration of audiometric equipment, Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz— 14 стр.