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. Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones— 16 стр.
Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators— 20 стр.
Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold vibratory force levels for pure tones and bone vibrators— 24 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. Reference equivalent threshold sound pressure levels for pure tones and insert earphones— 20 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.
Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones— 20 стр.
Electroacoustics. Hearing aids. Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes— 26 стр.
