1) Matlab code for computing reassigned spectrograms.
ifdv.m
2) Matlab code for object-based time-frequency analysis. See below:
zf_contours.m. (This script requires signal processing and image processing toolboxes.)
Parallel computing is recommended.
This sound file is read by the example code: finch_original.wav
This code produces the image below.
Link to an example with very high resolution.
Link to an image of a motif: Large and Small
Link to an image of a song: Large and Small
A list of question and answers regarding this method: FAQ
