Skip to main content

Questions tagged [sound-isolation]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
5 votes
2 answers
913 views

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 ...
Michael Altfield's user avatar
0 votes
2 answers
43 views

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, ...
Julian's user avatar
  • 1
0 votes
2 answers
117 views

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 ...
H A Helfgott's user avatar
7 votes
2 answers
838 views

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 ...
Damir Tenishev's user avatar
0 votes
0 answers
2k views

How to use Spectroid app to measure low frequency vibrations?

I need to measure how low frequency (vibration) changes when going through different materials. The only possible way I found is by using Spectroid app. However, I have no idea of what settings to set ...
NightRider's user avatar
0 votes
1 answer
457 views

Creating an isolate bed environment for sleeping (to reduce mechanical vibration from floor)

Having a serious issue with mechanical vibration in my home (I call it "mechanical" because its nature is not from sound, but rather from some sort of a device - for clear image whats ...
NightRider's user avatar
1 vote
2 answers
118 views

How to calculate the density of foam required to cushion impacts?

I have a treadmill desk and my downstairs neighbour is complaining about the noise. Specifically the noise made by the impacts of my walking. Unfortunately the floor of my flat is not concrete but ...
phdoerfler's user avatar
5 votes
8 answers
11k views

Reducing vibration coming from the floor while at sleep

having an interesting issue here. Imagine you live above some mental dude who starts a vibrating device and frames it against its ceiling - my floor (for your imagination, see example of this at the ...
NightRider's user avatar
0 votes
0 answers
43 views

Why are there no mufflers for water plumbing?

People who live in multi-unit apartment buildings often need to be careful not to bathe late at night, because their neighbors will be able to hear the sound of the water going through the pipes. As I ...
Metamorphic's user avatar
3 votes
4 answers
902 views

Will a short brick wall help shield against bass or will it go around?

I have a noisy neighbor (unreasonable and hostile) generating low frequencies that are disturbing. I'm at the point where I realize I need to just build some kind of barrier, and also buy better ...
Torbjørn Kristoffersen's user avatar
2 votes
2 answers
749 views

How can you maximize air flow through a sound maze in a HVAC transfer grille?

My house has several transfer grilles like this: Except they have no baffles inside them, so light and sound come through into our bedrooms quite easily. I'd like to put in a sound maze like this to ...
John's user avatar
  • 121
0 votes
0 answers
35 views

Formula natural frequency double wall

I started with a book (pdf see here: https://www.pdhonline.com/courses/m104/m104_new.htm) In this book there is the following formulla found $$f_0 = 170 / \sqrt{M_1 * t / (1 + M_1 / M_2)}$$. The ...
Jan-Bert's user avatar
  • 101
3 votes
5 answers
4k views

What can be the reason of the constant 50 Hz sound in my home?

I am suffering from a strange hum in my home. I have just bought my home and living in 3 months. A month ago I've started to hear a humming noise. Then, I recorded the sound and looked at its ...
Ufuk's user avatar
  • 31
2 votes
1 answer
227 views

What is tonal masking?

I have checked the definition of tonal masking on Wikipedia and google but I saw the definition of sound masking and auditory masking. Auditory masking Sound masking But I want to know what ...
Nzui Manto's user avatar
1 vote
2 answers
85 views

Will a 3-wall acoustic barrier work or will sound go around?

I have two heat pumps directly outside my house and they are noisy so I am considering the viability of using a sound barrier to block the sound. The acoustic barrier itself will definitely absorb and ...
Wallace Park's user avatar
  • 1,625
0 votes
1 answer
76 views

Using the bitrate value on a calculation is causing contradiction, why?

Do you have any idea on why the Calculation 1 below doesn't match? Reference: Audio buffers: frames, samples and channels ...
davidesp's user avatar
  • 103
1 vote
0 answers
316 views

What are the limitations of active noise cancelling?

Let´s pretend there is a source of homogenous noise. Up to which decibel level could active noise cancelling be viable to decrease the volume of this noise significantly? Is it like 10, 50, 100 dB?
Simon Henn's user avatar
0 votes
1 answer
66 views

How well would viscoelastic damping work between isogrid- or honeycomb-faced constraining layers?

I'm considering doing some experiments with 3D-printed surfaces and sound transmission with constrained layer damping. I've also been thinking about using isogrid or honeycomb interior surfaces, ...
Aaron Altman's user avatar
0 votes
3 answers
82 views

Microphone angled waterproofing

We are working on a mounted screen design that will have microphones at the bottom of the screen housing. The screen housing will be sitting at a 10.5 degree angle. So we are worried about water ...
Tim T's user avatar
  • 51
1 vote
1 answer
4k views

What is the best thin/light material to kill/absorb sound? Sorbothane?

I am currently building a box filled with electronics and I now look to isolate the sound a bit with the lightest and best material out there. What I am looking for is a thin, lightweight and very ...
Martman's user avatar
  • 135
2 votes
2 answers
126 views

How can I kill the sound as much as possible in a rounded box? Acoustic panels/other option?

(I posted this in the Sound-Design section but got advised to post here instead). I just purchased a 3d printer and I am working on a product with a box that has a hole in the bottom and the top. ...
Martman's user avatar
  • 135
2 votes
1 answer
249 views

Can ultrasonic sound pass through solid medium?

For my electronic project, I have been searching the internet for a non invasive flow meter that does not require disassembly. I have found an ultrasonic measurement technique that use the clamp on ...
Taha's user avatar
  • 87
2 votes
1 answer
82 views

Is my procedure applicable to make a room soundproof? [closed]

Recently I found it essential to make my room soundproof and for this I have worked out the following way: The walls of my room are made of cement. I want to add two glass layers (of different ...
user avatar
1 vote
1 answer
25 views

Selection of an isolation table

I need to conduct nano-indentation within a glovebox of a split-test cell for battery testing. I know that vibration may be a potential issue, and I should probably buy an isolation table. However, I ...
User2341's user avatar
  • 313
6 votes
2 answers
2k views

What device is this, and how does it work?

There is this device I saw when I was a child at a big music store, that makes me curious. It was meant to listen some CDs to try them out before the purchase. You stand under a bell-shape kind of "...
Zorgatone's user avatar
  • 163
2 votes
1 answer
96 views

How to simulate sound emission properties of the human body?

Is there any way to simulate sound transmission properties of the human body with solid materials? While there are several sound sources inside the human body (heartbeat, air flow, bubbles moving ...
dronus's user avatar
  • 121
2 votes
3 answers
194 views

Why noise canceling headphones do not attenuate the signal itself?

Noise canceling headphones use a microphone to capture noise in order to cancel the same. The microphone will capture whatever acoustic signal reaches it. Since it is in the vicinity of the speaker, ...
akm's user avatar
  • 265
0 votes
2 answers
432 views

Most non-sound-conductive materials, especially when abutting conductive material

I was wondering what the most non-sound-conductive materials are, especially where those materials are abutting materials that are sound conductive. For example, imagine a long bar or block, and ...
user avatar
13 votes
5 answers
4k views

Are there any materials known to be sound-insulating but thermally-conductive?

Are there any materials known to be sound-insulating as well as thermally-conductive? Cost is not an overriding concern, but preferably costing "reasonable amounts" and much less than national ...
Jimmy Hoffa's user avatar