ASA/ANSI S12.12-1992 (2024): Sound Power Levels
Using sound intensity measurements to determine the sound power of noise sources provides a more complete picture of a sound source. Not only indicating the…
ASA/ANSI S12.18-1994 (R2023): Sound Pressure Level
Sound pressure is the difference between the pressure from a sound wave and the ambient pressure of what the sound is traveling through (usually air)….
ANSI/AMCA 320-23: Sound Testing Of Fans
A slower fan speed does not produce a lower sound level. So, what determines a silent fan? The lowest fan sound level during operation is…
ANSI/ASA S12.60/Part 1-2010 (R2020): Acoustical Performance
Poor acoustical design can often be a problem in the classroom because it results in excessive noise that is disruptive to the learning process and…
Noise Safety Standards
Noise Safety Standards and their effects fill the air all around us—or, rather, prevent excessive noise from doing so, preserving our hearing and safety while…