GOST R ISO 389-6-2011 State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 6. Reference threshold of hearing for test signals of short duration
2011GOST R ISO 389-6-2011 State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 6. Reference threshold of hearing for test signals of short duration