Questions tagged [sound-isolation]

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Latest methods for noise insulation for walls and ceilings?

All I know is for noise insulation, building a party venue for example, inner wall spacing should be about 20cm. Though I don't see how that helps with anything but one frequency and It's harmonics. ...
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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?
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How to use Spectroid app to measure low frequency vibrations?

Need to measure how low frequency (vibration) changes when going through different materials. The only possible way found is by using Spectroid app. However, have no idea of what settings to set up. ...
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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 ...
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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 ...