International Organization for Standardization
4 documents
6 Mar ISO362-3:2022: Measurement of noise emitted by accelerating road vehicles (ISO) GRBP-83-28 2026-03-06 ISO 362-3:2022 specifies an engineering method for measuring pass-by sound level of a vehicle under controlled indoor conditions using a semi-anechoic chamber. The 2022 edition incorporates technological advancements and improves usability and accuracy of the measurement procedure. Improvements include additional microphones, tire temperature correction harmonized with UN R51.03, clarified indoor room qualification criteria, and normalized torque influence equation. Transitional provisions propose accepting ISO 362-3:2022 for all approvals from entry into force of Supplement 11, while ISO 362-3:2016 remains accepted for five years thereafter. ISO
21 Aug Compliance [of distributed sound measurement systems] to IEC61672 - overview (ISO) GRBP-84-11 2026-08-21 ISO
27 Aug [Draft text for Guidance document] Compliance to IEC61672 – reference text (ISO) GRBP-84-12 2026-08-27 ISO
28 Aug Presentation on Compliance of distributed sound measurement systems to IEC 61672 (ISO) GRBP-84-16 2026-08-28 ISO