3C50.55 - Distinguishing Harmonics with the Ear

Distinguishing harmonics


PIRA Classification: 3C50.55

Description: A LabVIEW program produces a 1 kHz sine wave and (selectable) sine waves. Three of the sine wave frequencies are components of the square wave. Two are not. One sine wave is played while the class listens. The square wave is then played. The students should still be able to hear the sine wave. Repeat with other sine waves. The two that are not components will not be heard when the square wave is switched in.

Special Instructions: None

Condition: ok

Setup time: 1 minute

Safety Issues: None