A new method for enhancing the acoustic design of built environments promises to improve the aural comfort of their occupants, even in din-filled urban areas.

Acoustic pollution is often considered to be a ubiquitous and inexorable aspect of life in the modern world’s teeming urban environments. Jarring noise can be produced by myriad sources, including automobiles, urban transit systems and low-flying aircraft, as well as construction sites, various forms of public media, popular food and entertainment venues,…