Volume 21 (2026), Issue 05

"Sell and Buy Quiet" tackles noise reduction at source: manufacturers should offer quieter products, and buyers should deliberately select them. This article explains why reliable, comparable and understandable noise emission data and noise labels...

Modern open-air sound reinforcement systems often consist of line arrays, delay lines and subwoofer arrays whose frequency-dependent directivity is essential for the resulting sound immissions in the surrounding area. Conventional environmental...

Synergistic noise abatement – the integration of noise reduction, air quality protection, and climate protection – constitutes a strategic approach to the further development of noise reduction planning. Synergistic noise protection is intended...

Road traffic noise is one of the principal sources of noise annoyance in residential buildings. In practice, noise assessment is predominantly based on A-weighted outdoor sound pressure levels, although perceived noise exposure is largely determined...