Recommendations Audio Spectrum Analysis Software?

Am looking for audio spectrum analysis software recommendations (either audacity plugin or standalone).

Found Raven Lite and Pro and checked forum but found nothing relevant.



How about the Audacity Spectrogram track view and Plot Spectrum?

You’ll have to increase the Audacity-spectrogram window-size from the default setting to match the high-resolution of “Raven Viewer”, ( settings are in Audacity preferences , spectrograms) …
spectrogram window size ''most narrowband''.gif
[ the increased window size will put extra strain on your computer’s CPU : things may get a bit sluggish ]

audio spectrum analysis software

Real time? Audacity doesn’t do any effects or tools in real time. Koz

If it brief is “real-time spectrogram” there are free options …