What Is Noise? It's critical to recognise the difference between background noise and actual sound. The term "noise" refers to any sound that is unwelcome, bothersome, unpleasant, or excessively loud. We can tell a lot about noise from our ears. Discomfort can range from mild to severe depending on how loud the noise is. These tones cut through the din of daily life and bring us back to the present moment. In order to obtain an accurate picture of the effect of various kinds of noise, we aim to replicate the way the human ear perceives it. A-weighted frequency is...