Acoustics - Determination of uncertainties associated with sound emission measures - Part 1: Sound power levels determined from sound pressure measurements (ISO 5114-1:2024)

This technical document establishes a systematic framework for quantifying uncertainties associated with acoustic emission events, specifically focusing on sound power levels derived from sound pressure measurements. It provides rigorous methodologies and procedural guidelines for engineers and researchers to assess variability in acoustic data obtained during testing and monitoring procedures. The content outlines essential steps for uncertainty evaluation, including the identification of error sources, propagation of uncertainty through calculation models, and the expression of final results with appropriate confidence levels. By adhering to these guidelines, practitioners can ensure consistency and reliability in acoustic performance assessments across various industrial and laboratory applications. The document aligns with international best practices for acoustic measurement and contributes to the standardization of data interpretation in fields requiring precise sound power analysis. It serves as a reference for developing measurement protocols and validating experimental setups where accurate determination of acoustic energy is critical for design, safety, and compliance purposes.