The zip file contains Matlab code and examples that coincide with the paper: Story, B.H., and Bunton, K., (2016). Formant measurement in children’s speech based on spectral filtering, Speech Communication, 76, 93-111, [http://dx.doi.org/10.1016/j.specom.2015.11.001]
The Matlab “signal processing toolbox” is needed for the code to work. A pdf of the article and a README file are included in the zip file.