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Infrasound 19 Hz: Exploring the 3D Standing Wave Field

Understanding infrasound and its effects through a detailed exploration of standing waves in three dimensions.

mysimulator teamUpdated June 2026≈ 3 min read▶ Open the simulation

What is Infrasound?

Infrasound refers to sound waves with frequencies below the range of human hearing (typically below 20 Hz). These low-frequency sounds can have significant physical effects, such as pressure changes and vibrations.

The 19 Hz frequency mentioned in this simulation corresponds to a specific standing wave pattern that can create noticeable sensations even though it is not audible.

Standing Waves in 3D

A standing wave occurs when two identical waves traveling in opposite directions interfere with each other, creating regions of high and low pressure. In a three-dimensional space like the room in this simulation, these patterns can form complex structures.

The 19 Hz frequency creates a specific set of nodes (points of minimal vibration) and antinodes (points of maximum vibration) that are crucial for understanding the behavior of infrasound in confined spaces.

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Implications of Infrasound

Infrasound can have various effects on human perception, including feelings of unease or even hallucinations. This is why it was considered a potential cause for the 'haunted lab' phenomenon reported by Vic Tandy.

Understanding standing waves in 3D helps in designing spaces that minimize unwanted infrasound effects and optimize acoustical environments.

Real-World Applications

Infrasound is used in various applications, from military sonar to earthquake prediction. The study of standing waves also aids in the design of concert halls and auditoriums for optimal sound distribution.

Research into infrasound and its effects continues, with potential future uses including medical diagnostics and environmental monitoring.

Frequently asked questions

What is Vic Tandy's 'haunted lab' investigation about?

Vic Tandy claimed that he experienced a ghostly presence in his laboratory due to infrasound at 19 Hz, which was later identified as the frequency of an infrasonic standing wave pattern.

How does infrasound affect human perception?

Infrasound can cause physical sensations such as pressure changes and vibrations, which can lead to feelings of unease or even hallucinations in some individuals.

Why is understanding standing waves important for acoustics design?

Understanding standing waves helps in designing spaces that minimize unwanted sound reflections and optimize the distribution of sound for better acoustic performance.

What are some applications of infrasound beyond 'haunted labs'?

Infrasound is used in various fields, including military sonar, earthquake prediction, and even as a potential tool for medical diagnostics and environmental monitoring.

Try it live

Everything above runs in your browser — open Infrasound 19 Hz: 3D Standing Wave Field and change the parameters while it is running. Nothing is installed, nothing is uploaded, the whole model lives in one tab.

▶ Open Infrasound 19 Hz: 3D Standing Wave Field simulation

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