Examples in Matlab and Octave

This appendix contains some of the matlab scripts used in creating various figures in the text, as well as listings for the applications discussed in Chapter 9.

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Subsections

• Matlab for Spectrum Analysis Windows
  • Blackman Window Example
  • Matlab listing: dpssw.m
  
  
• Interpolating Spectral Peaks
  • Matlab listing: findpeaks.m
  • Matlab listing: maxr.m
  • Matlab listing: qint.m
  • Matlab listing: zpfmin.m
  • Matlab listing: oboeanal.m
  
  
• Matlab for Computing Spectrograms
  • Matlab listing: myspectrogram.m
  • Matlab listing: invmyspectrogram.m
  • Matlab listing: testmyspectrogram.m
  
  
• Matlab for Unwrapping Spectral Phase
  • Matlab listing: unwrap.m
  
  
• Non-Parametric Frequency Warping
  • Ideal Spectral Interpolation
  
  
• Fundamental Frequency Estimation
  • Test Program for F0 Estimation

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Previous: Simple Approximations to Various Frequency Warpings
Next: Matlab for Spectrum Analysis Windows

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About the Author: Julius Orion Smith III
Julius Smith's background is in electrical engineering (BS Rice 1975, PhD Stanford 1983). He is presently Professor of Music and Associate Professor (by courtesy) of Electrical Engineering at Stanford's Center for Computer Research in Music and Acoustics (CCRMA), teaching courses and pursuing research related to signal processing applied to music and audio systems. See http://ccrma.stanford.edu/~jos/ for details.