https://glossary.acousti.cloud/infrasonic
en
"Sounds of a frequency lower than the limit of human hearing (<20 Hz)." (from the Acoustic Index User's Guide)
To cite this website:
Ed Baker (2026) Bioacoustics & Ecoacoustics Glossary (https://glossary.acousti.cloud/). Accessed on October 6, 2026, 11:16 pm.