@inproceedings {wdhaes2004, title = {A highly optimized method for computing amplitudes over a windowed short time signal: From O(K^2N) to O(N log(N))}, booktitle = {Proceedings of the IEEE Benelux Signal Processing Symposium}, year = {2004}, address = {Hilvarenbeek, the Netherlands}, author = {W. D{\textquoteright}haes} }