CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 65273 | EN ISO 8253-3:2022 | Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO/DIS 8253-3:2020) | Izstrādē |
| 31641 | prEN ISO 389-2 rev | Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones | Izstrādē |
| 9721 | ISO 3743:1976 | Acoustics - Determination of sound power levels of noise sources - Engineering methods for special reverberation test rooms | Izstrādē |
| 9760 | EN ISO 266:1997 | Acoustics - Preferred frequencies (ISO 266:1997) | Izstrādē |
| 30355 | prEN ISO 4871 rev | Acoustics - Declaration and verification of noise emission values of machinery and equipment | Izstrādē |
| 9777 | EN ISO 14163:1998 | Acoustics - Guidelines for noise control by silencers (ISO 14163:1998) | Izstrādē |
| 26646 | EN ISO 8253-1:2010 | Acoustics - Audiometric test methods - Part 1: Basic pure-tone air and bone conduction threshold audiometry (ISO/DIS 8253-1:2008) | Izstrādē |
| 20961 | prEN ISO 11203:1995 rev | Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other positions | Izstrādē |
| 68648 | EN 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 (ISO/DIS 389-7:2019) | Izstrādē |
| 29943 | EN ISO 4869-2:2018 | Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn (ISO/DIS 4869-2:2014) | Izstrādē |
Displaying 21-30 of 428 results.