Noise and reverberation in restaurants are topical issues: on one hand, customers often complain about decibel levels that are too high or excessively low; on the other hand, some restaurateurs want warm and noisy environments, while others prefer quiet rooms to...
The relationship between noise levels and academic performance is now well-established. In many countries, schools are even awarded specific certifications if they manage to keep noise levels below certain thresholds. Sometimes, these certifications are followed by...
In the acoustic field, people often wonder what the difference between white noise and pink noise is. Sound masking systems are often described as “white noise machines” or “pink noise speaker systems.” In reality, roughly speaking, it can be...
Among the typical phenomena of sound waves, sound refraction can certainly be included, in which waves bend or expand depending on changes in the wave’s speed. Refraction is not a phenomenon that only concerns acoustics, but can also be identified in other...
Sound waves originate from one medium and reach another, like a wave suspended in the air in a room that reaches a brick wall. This wave will undergo certain consequences: part of it will attempt to pass through the medium, in our case the wall, while the remainder...
Acoustic impact (also known as noise pollution) is a type of pollution that can originate from various sources; the main ones are primarily domestic, transport-related, and those produced by the working environment, particularly by industries. This type of pollution...
