ISO/TC 43
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
40535 | ISO 389-5:2006 | 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 | Atcelts |
40278 | ISO 389-6:2007 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 6: Reference threshold of hearing for test signals of short duration | Standarts spēkā |
22800 | ISO 389-7:1996 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions | Atcelts |
38976 | ISO 389-7:2005 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions | Atcelts |
67239 | ISO 389-7:2005/Amd 1:2016 | Acoustics — 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 conditions | Atcelts |
77365 | ISO 389-7:2019 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions | Standarts spēkā |
32440 | ISO 389-8:2004 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones | Standarts spēkā |
35251 | ISO 389-9:2009 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 9: Preferred test conditions for the determination of reference hearing threshold levels | Atcelts |
9744 | ISO 4043:1981 | Booths for simultaneous interpretation — Mobile booths — General characteristics and equipment | Atcelts |
4476 | ISO 454:1975 | Acoustics — Relation between sound pressure levels of narrow bands of noise in a diffuse field and in a frontally-incident free field for equal loudness | Atcelts |
Displaying 61-70 of 127 results.