Website
University of New South Wales (Australia)

Univ of New South Wales: Musical Acoustics: Strings, Standing Waves, Harmonics

For Students 9th - 10th
The production of a standing wave in a string is presented and discussed in this site. Exceptional diagrams are accompanied by thorough explanation and mathematical analysis to explain the various modes of vibrations.
Activity
Interactive Mathematics

Interactive Mathematics: Line Spectrum

For Students 9th - 10th
Using Fourier and Harmonic series, the line spectrums of functions are derived and represented on graphs. Several music examples show the connection between harmonics and sound.
Activity
Interactive Mathematics

Interactive Mathematics: Harmonic Analysis

For Students 9th - 10th
Derived from the Fourier series, the harmonic series can be used to represent even and odd functions. Definitions of second and third harmonics are also provided.