Comparison to Other Transforms

Spectrogram

The Stockwell transform retains both broad-scale and fine-scale structure, compared to a spectrogram, whose frequency resolution is is limited by the moving window size chosen.

Spectrogram

Morlet Transform

Wavelet transforms like the Morlet transform, for example, also do this, but the y-dimension of the ‘scalogram’ is not frequency, it is “scale”.