shapeimage_1


1) Matlab code for computing reassigned spectrograms.
ifdv.m

2) Matlab code for
object-based time-frequency analysis

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


zf_image_lowres