Questions tagged [infrasound]

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Mapping from Sound Pressure To Frequency Domain

I have a gem infrasound recorder which samples a pressure transducer. The raw data I get back is the sound pressure. I admittedly don't know what that means, but I do know I need to find out how to ...
1
vote
1answer
33 views

What's the lowest analog audio sound that a CD/44.1kHz audio system can make?

CDs, and other 44.1kHz sampling audio systems, can produce a maximum sound frequency of 20khz in the analog audio range (I'm not sure how the maths goes, but that's apparently true). My question is, ...
2
votes
2answers
243 views

To record infrasonic sound in the presence of ultrasonic sound.

I am planning to build something. For that I need to able be to record the sound less than 200 Hz, however sounds with higher frequency are present. Is there a method to avoid high frequency sounds ...
4
votes
4answers
4k views

Infrasound, 19Hz, Resonating Eyeballs and Other Psychoacoustic Tricks

Hello all, this is my first question on this forum. I'm curious about the use of infrasound in films/movies. I believe a number of studies have shown that infrasound (frequencies below 20Hz) can be ...
6
votes
3answers
572 views

Harmonics and InfraSound

Hey everyone, So this is my first time asking a question. So here is the setup. I'm currently in pre-production of a film in which I am doing both production and post audio. It is a thesis film ...