Is that a rocket, or just my fridge? Mysterious sounds in the home
Why some manufacturers give their products the silent treatment
What is that noise? Is it a nearby power plant, my refrigerator, or my belligerent neighbor? Am I the only one bothered by this? What is the best way to address these cases of mysterious and hard-to-detect residential noises?
“So, what’s the big flanking deal?!”
Machines make noise all by themselves, but what motivates manufacturers to make them quiet? It’s a good question, because lots of noisy products flood the market right now.
We see the butterflies. Do they hear us?
A fitness studio likes to play loud, upbeat music. That’s what it takes to get the students to dance! But if a studio is sandwiched between a tile store and a post office in a commercial strip center, then, Houston, we have a problem.
“I like the music, but is it safe for my hearing?”
We don’t do butterfly acoustics, but it’s interesting to note that scientists thought butterflies were deaf. But, in 1912, butterfly ears were identified.
National Academy of Engineering, October 2015
In his paper at Inter-NOISE 2010, published in Sound)Vibration magazine, Bob Bruce addresses this question. He proposes an exposure rating that can be summed to determine what sound levels are safe for how long.
Boston Marathon 2014
CSTI acoustics makes our presence known at the National Academy of Engineering's Workshop on Progress of Noise Control in Washington, D.C.
Arno Bommer shows he is made of the right stuff.