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Python implementation of Non-Stationary Gabor Transform (NSGT)

Project description

Python implementation of Non-Stationary Gabor Transform (NSGT) derived from MATLAB code by NUHAG, University of Vienna, Austria

Thomas Grill, 2011-2015

Austrian Research Institute for Artificial Intelligence (OFAI) AudioMiner project, supported by Vienna Science and Technology Fund (WWTF)

covered by the Artistic License 2.0

Mandatory dependencies:

Numerical Python (

Optional dependencies:

PyFFTW3 ( will greatly speed up the NSGT transformation is fftw3 is installed on your system

scikits.audiolab ( is needed for using the built-in audio import/streaming functionality


In the console (terminal application) change to the folder containing this readme.txt file.

To build the package run the following command: python build

To install the package (with administrator rights): sudo python install


  • Quality measurement for coefficients of sliced transform

  • Unify nsgfwin sliced/non-sliced


Original matlab code copyright follows:

AUTHOR(s) : Monika Dörfler, Gino Angelo Velasco, Nicki Holighaus, 2010-2011

COPYRIGHT : (c) NUHAG, Dept.Math., University of Vienna, AUSTRIA Permission is granted to modify and re-distribute this code in any manner as long as this notice is preserved. All standard disclaimers apply.

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