The sheer number of acoustic metrics, criteria, and associated abbreviations can be overwhelming, confusing, or sometimes misleading. This article provides an overview of key acoustic metrics and criteria commonly referred to in various building...


Many people believe white noise, pink noise, and sound masking are synonymous, and tend to use these terms interchangeably. However, there are distinct differences between each of them.

The term ‘speech privacy’ refers to how well a conversation is overheard and understood by an unintended listener. The need to prevent sound from intruding into adjacent spaces in both closed and open-plan settings...