Bioacoustics & Ecoacoustics Glossary

signal to noise ratio

https://glossary.acousti.cloud/signal_to_noise_ratio

Acronym: SNR

en

"The ratio of the energy contained in the parameter of a signal important for communication to that from irrelevant or extraneous sources." [1]

"A measure in decibels (dB) of the strength of the target signal compared with the strength of background noise made by the recorder itself (i.e., self-noise)." (from the Acoustic Index User's Guide)

Reference: [1] Ewing AW. Arthropod Bioacoustics: Neurobiology and Behaviour. Ithaca, New York: Comstock; 1989.; Jarrett et al. (2025), Journal of Applied Ecology, glossary of key terms. https://doi.org/10.1111/1365-2664.70000

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