Wavelet Toolbox Release Notes    

Chapter 1
Wavelet Toolbox 2.2 Release Notes

New Features

This section summarizes the new features and enhancements introduced in the Wavelet Toolbox 2.2.

For information about Wavelet Toolbox features that are incorporated from Version 2.1, see New Features of the Wavelet Toolbox 2.1 Release Notes.

New and Enhanced Functions


cfs2wpt, a new function for building a wavelet packet tree object from a set of coefficients has been added.


wenergy and wenergy2, two new functions for calculating the energy represented by the approximation and details coefficients for 1-D and 2-D wavelets, respectively, have been added.

WENTROPY Enhancement

The wentropy function now includes an option for using your own entropy function, including passing a parameter in.

WAVEFUN2 Enhancement

An option to product plots has been added to wavefun2.

Loading .wav and .au files

You can now load .wav and .au files directly into the Wavelet Toolbox GUI using wavread and auread, respectively.

  Wavelet Toolbox Release Notes Major Bug Fixes