Contents

• List of Figures
• Introduction
  • What is Xwpl
• Quick Start
  • Getting started with Xwpl
    • Invoking Xwpl
    • The Xwpl main window
    • Opening a data file
  • Changing the transformation settings
  • Zooming control
  • Denoising control
  • Program Information
  • Sound handling in Xwpl
  • Using sound on DEC Alpha
• Troubleshooting
• Installing Xwpl
  • Requirements
• Mathematical background
  • Waveform Libraries
    • Local trigonometric bases
    • Wavelets and Wavelet Packets
  • Entropy considerations
  • Time-Frequency Analysis
    • The phase cell representation
    • Examples
  • The Haar System
  • The Haar basis
    • Haar Multiscale Analysis
    • Exercise
    • Walsh Functions
  • General wavelet packets
    • Remark
  • Denoising
    • Starting on the right basis
    • Asymptotics
    • The selection algorithm
• References
• Index
• About this document ...