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Questions tagged [sound-isolation]

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5 votes
2 answers
941 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
50 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
119 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
1k 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
477 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
129 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
12k 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
970 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
845 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
6 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
232 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
  • 1,635

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