Registration number (WIID)Project No.TitleStatus
8636ISO/TR 3352:1974Acoustics — Assessment of noise with respect to its effect on the intelligibility of speechAtcelts
3963ISO 140-7:1978Acoustics — Measurement of sound insulation in buildings and of building elements — Part 7: Field measurements of impact sound insulation of floorsAtcelts
3960ISO 140-4:1978Acoustics — Measurement of sound insulation in buildings and of building elements — Part 4: Field measurements of airborne sound insulation between roomsAtcelts
4375ISO 389:1991Acoustics — Standard reference zero for the calibration of pure-tone air conduction audiometersAtcelts
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
4100ISO 226:1987Acoustics — Normal equal-loudness level contoursAtcelts
4099ISO/R 226:1961Normal equal-loudness contours for pure tones and normal threshold of hearing under free field listening conditionsAtcelts
4546ISO 495:1966Withdrawal of ISO/R 495-1966Atcelts
56849ISO/R 1999:1971Acoustics — Assessment of occupational noise exposure for hearing conservation purposesAtcelts
9234ISO 3742:1975Acoustics — Determination of sound power levels of noise sources — Precision methods for discrete-frequency and narrow-band sources in reverberation roomsAtcelts
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