Concept information
Preferred term
INFRASONIC MICROPHONES
Definition
- INFRASONIC MICROPHONES are microphones (devices that amplifie noise and sound) that refer to sound frequencies lower than those at the lower limit of average, unimpaired human hearing, which is about 16 to 30 Hz. (en)
Broader concept
- Acoustic Sounders (en)
URI
https://gcmd.earthdata.nasa.gov/kms/concept/ebda5043-7bfd-4041-ade8-3f12fa6d0078
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