Realtime Fourier synthesis -
Sound generation

The following Excel application will allow you to synthesize sounds.
Just play with the sliders and enjoy what is happening.

Mathematically speaking the sliders control the amplitudes of the overtones of the base frequency.

We offer Excel workbooks for different versions of Excel, but only for Microsoft Windows.

There is an additional example, working only under Excel97.
This example demonstrates a Fourier series where the Fourier coefficients form a geometric progression

If you like what you see, you also may want to go to Erich Neuwirth's Spreadsheets in Education Home Page.

Author: Erich Neuwirth
Last Change: 20000524