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Infrasound (Sbp)

Definition
Vibrations of a frequency below the level normally perceived by the human ear: about 20 cycles per second. (Source: Team)
Use For
Infrasonic noise
Broader Term
Sound (Sb)
Related Terms (Hierarchical)
Acoustic emission (Sbb)
Acoustic scattering (Sbf)
Acoustic waves (Sbh)
Directivity pattern (Sbi)
Effective sound pressure (Sbj)
Harmonics (Sbm)
Pitch (Acoustics) (Sbr)
Sound attenuation (Sbt)
Sound transmission (Sbv)
Speed of sound (Sbw)
Ultrasonic waves (Sbx)
Underwater sound (Sby)