Bioacoustics & Ecoacoustics Glossary

power spectrum

https://glossary.acousti.cloud/power_spectrum

en

"Any complex waveform is composed of discrete sine waves in harmonic series. Fourier analysis is one method of analysing a sound to provide such a series, and a power spectrum is the result of such an analysis where the energy in each of the harmonic components is usually displayed graphically." [1]

Reference: [1] Ewing AW. Arthropod Bioacoustics: Neurobiology and Behaviour. Ithaca, New York: Comstock; 1989.; Erbe et al. (2022), Exploring Animal Behavior Through Sound, Terms and Definitions. https://doi.org/10.1007/978-3-030-97540-1_4