When specifying cooling equipment, engineers are faced with myriad decisions affecting performance and layout. One critical consideration is the noise emitted. As population density rises in major ...

It's no surprise that repeated exposure to loud sounds can damage your hearing. According to the Hearing Health Foundation, sounds below 70dB, the typical volume for a standard conversation, are safe ...

Audiometric tests are invalid if conducted in environments with unsuitable ambient noise levels. Excessive ambient noise can ‘mask’ the pure-tone test signal, making it inaudible to the test subject, ...

The dynamic range and frequency response required to make sound measurements on passing trains in a variety of environments. The methodologies used to analyze the measured data. The considerations ...