We complete our understanding of Fourier analysis with a look at the phase of the component sine waves, and the effect of changing the analysis frame duration.
October 11, 2014
Spectrum and spectrogram
The spectrum and the spectrogram are much more useful ways of analysing speech signals than the waveform. We look at how to create them using Wavesurfer and what effect the analysis window size has on what we see.
This is the new version. Still under construction.