Works as advertised Noté 5 sur 5 étoiles

but shouldn't the grey-white bar at the bottom (x-axis) be colored?

At least it woud be a good idea to add an x-axis and y-axis including the basic unit and that are scaled for reference. Otherwise you can't even estimate the frequencies that match a peak value.

Cette critique concerne une version précédente du module (1.0.0).