Registration number (WIID)Project No.TitleStatus
32440ISO 389-8:2004Acoustics — Reference zero for the calibration of audiometric equipment — Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphonesStandarts spēkā
77365ISO 389-7:2019Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditionsStandarts spēkā
67239ISO 389-7:2005/Amd 1:2016Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions — Amendment 1: Reference threshold of hearing at 20 Hz and 18 000 Hz under free-field listening conditions and at 20 Hz under diffuse-field listening conditionsAtcelts
38976ISO 389-7:2005Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditionsAtcelts
22800ISO 389-7:1996Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditionsAtcelts
40278ISO 389-6:2007Acoustics — Reference zero for the calibration of audiometric equipment — Part 6: Reference threshold of hearing for test signals of short durationStandarts spēkā
40535ISO 389-5:2006Acoustics — 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 kHzAtcelts
22496ISO 389-4:1994Acoustics — Reference zero for the calibration of audiometric equipment — Part 4: Reference levels for narrow-band masking noiseStandarts spēkā
77366ISO 389-3:2016/DAmd 1Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators — Amendment 1Standarts spēkā
59759ISO 389-3:2016Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibratorsStandarts spēkā
Displaying 61-70 of 127 results.