An audio WAVEFORM theoretically comprised of an infinite set of HARMONICally related SINE WAVEs, as shown under LAW OF SUPERPOSITION. It is often used in SOUND SYNTHESIS.
See also: FOURIER THEOREM, OSCILLATOR. Compare: PULSE, SQUARE WAVE, TRIANGLE WAVE.
Sawtooth wave, its description as a Fourier series, and as a line SPECTRUM.
Sound Example: Sawtooth wave at 100 Hz.