Questions tagged [sound]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
2 answers
64 views

Can two microphones placed within centimeter distance together measure a distance of the sound source?

I have placed two microphones placed within 1 or 2 cm distance. They can receive and record sounds around them. I want to detect the distance of the sound source (specially human voice) and the ...
user avatar
0 votes
1 answer
28 views

IC engine Exhaust gases flow simulation through absorption type muffler [closed]

How is the exhaust gas flow through the absorption type muffler. I am interested to know how the exhaust gases enter the absorption material(fiber glass) before leaving through the end pipe. What ...
user avatar
1 vote
2 answers
186 views

How do I remove outliers in measured sound pressure levels data?

I have measured sound pressure levels (24 h sampling at 25600 Hz) data for many days. The focus of measurements was on road noise, which is a dominant source of noise in the measurement setting. ...
user avatar
  • 133
0 votes
3 answers
68 views

Respirator mask that transmits sound waves

If one had to design a respirator that would have the minimal sound distortion, and allow to communicate normally (one-on-one at least), how would one do it? I wear powered respirators (PAPR) and ...
user avatar
2 votes
2 answers
76 views

How to convert the velocity field to a pressure field for obtaining the sound level?

I am studying jet mixing noise and I am given a velocity field, with $V_x$, $V_y$, $V_z$ in the Cartesian coordinates. I wanted to know if there is a method by which I could find some information ...
user avatar
0 votes
0 answers
792 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 ...
user avatar
4 votes
2 answers
105 views

Why does the frequency of a bottle filling up changes?

Today as I was filling up a bottle of water, and I could hear the distinctive change in pitch that signals that the bottle is near filling up, I started wondering what equation determines the ...
user avatar
  • 22.6k