sound pressure level Archives

Measuring sound power levels from industrial machinery in an acoustic testing environment that complies with ISO 3744:2025.

ISO 3744:2025— Acoustics, Sound Power Levels in Free Field

ByAlexandra Schirn January 22, 2026January 6, 2026

From large-scale industrial and construction equipment to smaller residential appliances, the sound generated by these various products can have significant consequences on health, safety, and…

Measuring the noise on the road with a sound level meter that adheres to ASA/ANSI S12.18-1994 (R2023).

Acoustics and Sound | ANSI

ASA/ANSI S12.18-1994 (R2023): Sound Pressure Level

ByAlexandra Schirn March 28, 2024June 4, 2025

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)….

Electric fan adhering to sound guidelines in ANSI/AMCA 320-23.

Acoustics and Sound | ANSI

ANSI/AMCA 320-23: Sound Testing Of Fans

ByAlexandra Schirn March 11, 2024June 4, 2025

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…