NASA's X-59 supersonic-but-quiet jet airplane soared over the Southern California desert on Tuesday in the first test flight ...

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.

What does noise cancellation actually do to block outside sound and why does it add so much to the cost of headphones? We explain, along with how we test this feature for our reviews. I've been a ...

This circuit increases the repeatability of noise test setups by providing reference points in the noise-vs.-frequency output generated by the network analyzer. It's based on Maxim MAX4475, MAX427, ...

We've all been on a loud plane or train when all we really wanted was some peace and quiet. Enter noise-canceling headphones - They're great for a variety of uses and a great gift idea. But some ...

Read the introduction to this series in Part 1, and the conclusion in Part 3, which covers stability. This is Part 2 of a three-part series which discusses how to properly test a DC/DC power supply to ...

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 ...

NASA's X-59 supersonic-but-quiet jet soared over the Southern California desert on Tuesday in the first test flight of an ...