Because decibel differences are difficult for most people to interpret, they often seek to describe noise improvements using a more practical yardstick: how much quieter it’s going to sound. …
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The Forbidden Word – “Soundproof” There’s a word I recommend my clients and students never use. It’s the most famous word in noise control: “soundproof”. When I was…
One of the most common noise education resources out there is the dB thermometer. It’s also one of the most potentially confusing to the uninitiated. A medical thermometer gives…
No. 2 in a series on Myths, Misunderstandings, and Magical Thinking about Noise It’s not uncommon for the “decibel” or “dB” to be discussed as if it’s a physical unit…
Products, machines, buildings, and industrial facilities are often designed without giving particular thought to noise emission and it’s impact on people. This sometimes works out, usually because of favorable circumstances…
COOL PROJECTS WHITE PAPER Number: 001 Date: October 31, 2018 Title: Engineering a Quiet Leafblower Result: 8 dBA reduction, rivaling best in class Application Function Stage Methods…
Space is indeed a vacuum, and cannot support sound waves. So how can a spacecraft have noise problems on orbit? Crewed orbital vehicles carry an atmosphere with them, and any equipment…