Air Movement and Control Association (AMCA) International Inc. announces the publication of ANSI/AMCA Standard 320-23, Laboratory Method of Sound Testing of Fans Using Sound Intensity. Superseding ...

In the wake of recent fines for motorcycle exhaust noise and the controversy of roadside testing procedures, another issue that unfairly affects riders in some states is the lack of testing stations.

There are multiple variations of each speaker available. The Edifier ES300 is available in white and gold or black and gold ...

PHOENIX - The Arizona Department of Transportation will be sound testing during rush hour morning and night this week after complaints of excess noise since the new extension was unveiled. The ...

The milestone allows the agency to begin a series of tests ahead of the opening of the full 2 Line in early 2026.

Testing continues on the 2 Line extension which eventually aims to connect the Eastside with downtown Seattle.