Time Frequency Analysis Demonstration




The power of this new method can be seen through the analysis of a bottlenose dolphin click.

To hear the sound in:


If you can't see the images or want a copy for display at home you can download the files.


The sound itself, as well as a standard spectrogram analysis of it, is displayed on the right.

You can compare the spectogram analyses, of any of the following size windows, with each other or with the R.I.D. result:

  • 32-point window
  • 64-point window
  • 128-point window
  • 256-point window
    • The result using Reduced Interference Distribution

    To Find Out More

    If you'd like to find out more about our method you have a number of options:

    Professor Williams' Home Page