Editing Audacity (audio editor) (section)

=== Audio analysis ===
[[File:Audacity GSnap effect.png|thumb|upright=1.25|Screenshot of Audacity on Windows showing [[spectrogram]]s of an audio clip with [[portamento]] (upper panel) and the same clip after applying [[pitch correction]], showing frequencies clamped to discrete values (lower panel)]]
Audacity has several features to allow for [[Spectral density estimation|spectrum analysis]] using the [[Fourier transform]] algorithm<ref>{{cite web |title=Plot Spectrum |url=https://manual.audacityteam.org/o/man/plot_spectrum.html |url-status=dead |archive-url=https://web.archive.org/web/20160409095136/http://manual.audacityteam.org/o/man/plot_spectrum.html |archive-date=April 9, 2016 |access-date=January 4, 2020 |publisher=Audacityteam.org}}</ref><ref>{{cite web |title=Audacity's Spectrogram View |url=https://manual.audacityteam.org/o/man/spectrogram_view.html |url-status=dead |archive-url=https://web.archive.org/web/20160409095941/http://manual.audacityteam.org/o/man/spectrogram_view.html |archive-date=April 9, 2016 |access-date=January 4, 2020 |publisher=Audacityteam.org}}</ref> and [[Spectrogram|spectrograms]]. As with effects, additional analysis plugins can be added, such as ones that check audiobooks for [[Audiobook Creation Exchange|ACX]] compatibility.<ref>{{Cite web |title=Analysis Plugins |url=https://plugins.audacityteam.org/analyzers/analysis-plugins |publisher=The Audacity Team}}</ref>