Questions tagged [sound]
The sound tag has no usage guidance.
23
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How to build apartment floors/ceilings to not transfer sound?
How do new apartment buildings build their floors/ceilings to prevent the transfer of sound between people living above/below each other?
Note: I'm not asking about how to soundproof an existing ...
- 225
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2
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Are Apple Airpods capable of producing 165 decibels of sound?
Inspired by this article, where a Texas family claim that an "Amber Alert" on their son's Airpods caused his eardrum to rupture.
https://www.dailymail.co.uk/news/article-10830803/Boy-...
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2
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Most sound proof earmuffs in the world
What soundproofing material can I replace the foam in my Sthil earmuffs with to block out leaf blowers completely. I mean the absolute highest power blackout capability possible.
Crazy ideas welcome, ...
- 1
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Vibrating hollow sphere
I would like to make a hollow sphere that can vibrate like a tuning fork. It should go like this:
Place the sphere on a table
Strike the sphere with something like a spoon
The sphere vibrates (...
- 121
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1
answer
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Designing a siren to vary pitch with port width/pattern. Advice needed
Background: I am trying to design a multi-pitch port siren with one central shaft at 3300 rpm. I've calculated the number of ports needed for each frequency to be n = f(60/rpm). This approach gives me ...
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1
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119
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How to identify the source of low frequency noise from the street?
Is there a way to identify the source of low frequency (166Hz) noise coming from the street (I suspect from the opposite building in the closed yard in the city)?
The noise comes hearable in the yard ...
- 173
1
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2
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High voltage wires
We have bought a house near high tension wires (at a distance of around 20m). Will it be noisy during the rains, and more importantly will the ionization increase the risk of cancer?
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119
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Secondary glazing 16 to 20cm away from double glazing
I have double glazing (optimized for sound protection) on a 2m-by-2m window. What would be the effect (sound insulation and thermal insulation) of an additional layer of glazing about 16cm away from ...
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What recording cable is suitable for F999R?
F999R is a needle microphone device, with following outputs:
outputs for headphones, what are included
some kind of "recording" output.
Hearing through the headphones provided is fine, ...
1
vote
3
answers
202
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Do sound waves caused by a vibrating machines correlate to the vibration waves of the machine itself?
I'm a computer engineer, so please excuse my lack of mechanical knowledge :).
We have a machine that has large electrical motors causing massive amounts of vibrations, the machine also consists of ...
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Is it possible / practical to use a directional speaker as a "sound flashlight"?
E.g. use the direction the sound is coming from and the intensity to tell where the object is located at, and the frequency to tell the color of whatever this "flashlight" is pointing at (e....
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the low sensitivity of a dome mounted tweeter in sound testing
What is the common reason and how to solve the low sensitivity of a dome mounted tweeter in sound testing? The testing software is a Soundcheck dome tweeter, and the sensitivity of sound testing is ...
0
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2
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93
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Materials that will block water but allow sound to travel through without being muffled
I am in a fraternity at my college. We would like to host a paint party but are worried about our speakers getting damaged. The paint used is water based, so very thin. The paint is made using ...
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Simplest way to reduce low frequency noise from windows
Could you please advise the simplest method to reduce low frequency noise from windows?
The problem:
Somewhere outside there is a source of noise with frequency of 166 Hz. I can’t neither find nor ...
- 173
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answer
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Confusion over textbook formulae for directional characteristics of sound sources
I'm currently reading Olson's Elements of Acoustical Engineering, in which formulae are given for the directional characteristics of various arrays of sound sources, all of which are stated in terms ...
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