Fourier Analysis Of Voice

Purpose

To determine the Fourier spectrum of various steady-state spoken and sung vocal (vowel) sounds.

Equipment

PC 486 with Rapid Systems FFT and Dual Trace Oscilloscope, microphone and amplifier for input.

Setup Time

5 min.

Images

h6-01

Description

The amplified microphone signal is input into the PC 486 based FFT and the wave shape and spectrum are displayed on a dual trace digital oscilloscope screen. Vocal formants for different sung vowel sounds can also be seen.