ISO/TC 43/SC 2/WG 32
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 81294 | ISO 10534-2:2023 | Acoustics — Determination of acoustic properties in impedance tubes — Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance | Standarts spēkā |
| 81295 | ISO/AWI 10534-3 | Acoustics — Determination of properties in impedance tubes — Part 3: Microphone technique for bulk properties | Izstrādē |
| 81297 | ISO/PWI 10534-4 | Acoustics — Determination of properties in impedance tubes — Part 4: Microphone technique for normal sound transmission and bulk properties | Izstrādē |
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