About 58,000 results
Open links in new tab
  1. Infrasound - Wikipedia

    Infrasound, sometimes referred to as low frequency sound or incorrectly subsonic (subsonic being a descriptor for "less than the speed of sound"), [1] describes sound waves with a frequency …

  2. What Is Infrasound, and Why Should You Care? - How-To Geek

    Mar 9, 2025 · Infrasound (aka subsonic sound) is the term used to describe sounds that are so low that we can't hear them. Humans can hear within a range of around 20Hz to 20,000Hz …

  3. What Is Infrasound? Low-Frequency Sound Explained | Audicus

    Jun 11, 2022 · Infrasound is sound below 20 Hz—too low to hear but not without effects. Learn how infrasound works, where it occurs, and how it impacts humans and animals.

  4. Infrasonics | Physics & Sound Wave Applications | Britannica

    What is infrasonics? What are infrasound waves and how are they different from normal sound? What is the frequency range of infrasound? Where can infrasonic waves be found in nature?

  5. The Science Behind Infrasound: Principles and Applications

    Jun 4, 2025 · Infrasound, a type of sound wave with frequencies lower than 20 Hz, is inaudible to the human ear. Despite its inaudibility, infrasound has numerous applications in various fields, …

  6. Infrasound Definition, Frequency & Effects - Lesson | Study.com

    Explore the definition, frequency, and production of infrasound, understand its effects, and discover its effects on this low-frequency sound phenomenon.

  7. Infrasound and Your Health: What Scientists Know About Its Effects

    Aug 13, 2025 · Infrasound is sound waves below 20 Hz frequency, which are sounds that the human ear can not typically detect. Infrasound can travel long distances and even pass …

  8. Infrasonic Sound - HyperPhysics

    Sources of infrasound in nature include volcanoes, avalanches, earthquakes and meteorites. The eruption of the Fuego volcano in Guatamala produced infrasonic sound in excess of 120 …

  9. What is infrasound? - ScienceDirect

    Jan 1, 2007 · Infrasound is just a continuation of audible sound into a region where the hearing threshold rises as the frequency reduces. The ear is, generally, the most sensitive receptor of …

  10. Infrasound, sound waves that nothing can stop | CNRS News

    Oct 18, 2024 · All three emit infrasound, or sound whose frequency is below 20 hertz. These sound waves, which are wrongly considered to be inaudible, can travel around the Earth …