Bioacoustics & Ecoacoustics Glossary

fast Fourier transform

https://glossary.acousti.cloud/fast_fourier_transform

Acronym: FFT

en

"An algorithm that provides information about the energy distribution across frequencies by transforming a continuous time series into individual spectral components (differences across frequency bands)." (from the Acoustic Index User's Guide)

Reference: [1] Erbe et al. (2022), Exploring Animal Behavior Through Sound, Terms and Definitions. https://doi.org/10.1007/978-3-030-97540-1_4