Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part 2: Methods for special reverberation test rooms (ISO 3743-2:2018)

This standard outlines specific engineering methods for determining the sound power level of moving sound sources using pressure techniques within reverberation chambers. It focuses exclusively on specialized reverberation test facilities designed for such measurements in small to medium-sized environments. The document details the technical requirements, measurement procedures, and environmental conditions necessary to ensure accurate data collection. It addresses unique challenges associated with mobile sources in controlled acoustic spaces, providing guidance on instrumentation setup, source positioning, and data analysis. The methodology aligns with international counterparts while adapting for specific chamber configurations. It covers operational protocols for maintaining consistent acoustic conditions during testing. The text serves as a technical reference for engineers and laboratories involved in acoustic characterization. It does not cover general environmental noise or other measurement types outside the defined scope. The content emphasizes precision and repeatability in experimental setups involving reverberant fields. This document establishes the framework for evaluating noise emissions from equipment in motion under standardized laboratory conditions.