ISO/TC 43
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
45102 | ISO/PWI 389-1 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones | Izstrādē |
51998 | ISO/PWI 389-2 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones | Izstrādē |
56053 | ISO/PWI 389-7 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions | Izstrādē |
51999 | ISO/PWI 532-2 | Acoustics — Method for calculating loudness level — Part 2: Loudness of time-variant sound | Izstrādē |
6391 | ISO/R 1761:1970 | Withdrawal of ISO/R 1761-1970 | Atcelts |
6746 | ISO/R 1996:1971 | Withdrawal of ISO/R 1996-1971 | Atcelts |
56849 | ISO/R 1999:1971 | Acoustics — Assessment of occupational noise exposure for hearing conservation purposes | Atcelts |
4099 | ISO/R 226:1961 | Normal equal-loudness contours for pure tones and normal threshold of hearing under free field listening conditions | Atcelts |
4307 | ISO/R 354:1963 | Measurement of absorption coefficients in a reverberation room | Atcelts |
4323 | ISO/R 357:1963 | Withdrawal of ISO/R 357-1963 | Atcelts |
Displaying 111-120 of 127 results.