ISO/TC 43/SC 1
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 30424 | ISO 4869-6:2019 | Acoustics — Hearing protectors — Part 6: Determination of sound attenuation of active noise reduction earmuffs | Standarts spēkā |
| 38910 | ISO 4869-3:2007 | Acoustics — Hearing protectors — Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture | Standarts spēkā |
| 65582 | ISO 4869-2:2018 | Acoustics — Hearing protectors — Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn | Standarts spēkā |
| 44791 | ISO 4869-2:1994/Cor 1:2006 | Acoustics — Hearing protectors — Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn — Technical Corrigendum 1 | Atcelts |
| 10851 | ISO 4869-2:1994 | Acoustics — Hearing protectors — Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn | Atcelts |
| 65581 | ISO 4869-1:2018 | Acoustics — Hearing protectors — Part 1: Subjective method for the measurement of sound attenuation | Standarts spēkā |
| 10850 | ISO 4869-1:1990 | Acoustics — Hearing protectors — Part 1: Subjective method for the measurement of sound attenuation | Atcelts |
| 9497 | ISO 3891:1978 | Acoustics — Procedure for describing aircraft noise heard on the ground | Atcelts |
| 46426 | ISO 3747:2010 | Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering/survey methods for use in situ in a reverberant environment | Standarts spēkā |
| 21749 | ISO 3747:2000 | Acoustics — Determination of sound power levels of noise sources using sound pressure — Comparison method in situ | Atcelts |
Displaying 221-230 of 381 results.