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Euronoise 2018: 0: Plenary

Lecture: Sound transmission in buildings: recent developments and current challenges in measurement and prediction

Author(s): Hopkins Carl

Research on sound transmission in buildings tends to be driven by regulations, standards, product development, and by acousticians that need measurement and prediction tools along with empirical evidence on acoustic performance that can inform design work. This paper focuses on recent developments and highlights current challenges in the measurement and prediction of sound transmission, primarily in airborne and impact sound insulation and noise form service equipment. In recent standardization work, many of the initiatives to improve the flexibility and accuracy of prediction models have required simultaneous updates to laboratory and field measurement standards. Measurement and prediction of low-frequency performance remains an important issue; however, future work on identifying appropriate parameters and limits would benefit from building consensus through simultaneous consideration of subjective evaluation alongside the practicalitie s and uncertainties in measuring and predicting sound insulation at low-frequencies. As prediction models for steady-state sound and structure-borne sound sources in standards reach a state of maturity there is also a need to address the prediction of parameters such as the Fast time-weighted maximum sound pressure level from transient sources such as machinery inside increasingly mechanized buildings. In general, the advances that have been made in measurement and prediction have implications relating to the skills that are required from those seeking a career in building acoustics.

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Corresponding author

Name: Prof Carl Hopkins

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Country: United Kingdom