A-weighted measurements are commonly used to determine noise levels that can cause harm to the human ear, and special exposure meters are available that integrate noise over a period of time to give an value (equivalent sound pressure level), defined by standards.
A-weighted measurements are commonly used to determine noise levels. These noise levels can cause harm to the human ear. Special exposure meters are available that integrate noise over a period of time to give an value (equivalent sound pressure level). An value (equivalent sound pressure level) is defined by standards.