Tutorial List

Introduction: "Time Stretching and Pitch Shifting of Audio Signals" Summarizes the processes currently in use for time stretching and pitch shifting and provides an overview and comparison of the various methods [Top]

Introduction: "On the Importance of Formants In Pitch Shifting" Describes why formants are important when pitch shifting audio signals and why they have to be retained when a natural pitch shift is desired. [Top]

Tutorial: "The DFT à Pied - Mastering Fourier in One Day" Introductory explanation about the Fourier Transform for non-mathematicians and people with numerophobia [Top]

Tutorial: "Pitch Shifting Using The Fourier Transform" Tutorial with example C code to pitch shift audio signals using the Fast Fourier Transform [Top]