Projektu virzības (STK griezumā) https:/www.lvs.lv/projects WI A00008:10:081294. 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 Projekts sasniedzis stadiju 60.60 datumā 06.10.2023. Atbildīgā komiteja: ISO/TC 43/SC 2/WG 32. ICS: 17.140.01 https:/www.lvs.lv/projects/project/366149 366149 Mon, 15 Jun 2020 08:25:14 +0300 WI A00008:10:081295. ISO/AWI 10534-3 - Acoustics — Determination of properties in impedance tubes — Part 3: Microphone technique for bulk properties Projekts sasniedzis stadiju 10.99 datumā 11.02.2025. Nākamā stadija 20.00. Atbildīgā komiteja: ISO/TC 43/SC 2/WG 32. https:/www.lvs.lv/projects/project/366148 366148 Mon, 15 Jun 2020 08:25:14 +0300 WI A00008:10:081297. ISO/PWI 10534-4 - Acoustics — Determination of properties in impedance tubes — Part 4: Microphone technique for normal sound transmission and bulk properties Atbildīgā komiteja: ISO/TC 43/SC 2/WG 32. https:/www.lvs.lv/projects/project/366146 366146 Mon, 15 Jun 2020 08:25:14 +0300