Sound Analysis and Synthesis R package seewave version 2.2.4 Functions for analysing, manipulating, displaying, editing and synthesizing time waves (particularly sound). This package processes time analysis (oscillograms and envelopes), spectral content, resonance quality factor, entropy, cross correlation and autocorrelation, zero-crossing, dominant frequency, analytic signal, frequency coherence, 2D and 3D spectrograms and many other analyses. See Sueur et al. (2008) <doi:10.1080/09524622.2008.9753600> and Sueur (2018) <doi:10.1007/978-3-319-77647-7>. Software Imports: graphics, grDevices, stats, utils, tuneR, methods Suggests: audio, circlize, FactoMineR, fftw, ggplot2, rgl, rpanel, phonTools, signal Jerome Sueur <sueur@mnhn.fr> Comprehensive R Archive Network (CRAN) Jerome Sueur [aut, cre], Thierry Aubin [aut], Caroline Simonis [aut], Laurent Lellouch [ctr], Pierre Aumond [ctr], Adèle de Baudouin [ctr], Ethan C. Brown [ctr], Guillaume Corbeau [ctr], Marion Depraetere [ctr], Camille Desjonquères [ctr], François Fabianek [ctr], Amandine Gasc [ctr], Sylvain Haupert [ctr], Eric Kasten [ctr], Jonathan Lees [ctr], Jean Marchal [ctr], Andre Mikulec [ctr], Sandrine Pavoine [ctr], David Pinaud [ctr], Alicia Stotz [ctr], Luis J. Villanueva-Rivera [ctr], Zev Ross [ctr], Carl G. Witthoft [ctr], Hristo Zhivomirov [ctr] GPL (>= 2) 2025-08-19 application/tgz https://CRAN.R-project.org/package=seewave doi:10.32614/CRAN.package.seewave