Tuning fork as “simple" sound
Oscilloscope graph of a tuning fork tone as example of a simple tone with visible upper harmonics in the starting phase of oscillation.
Information and ideas:
Possible cross reference: Examination of aperiodic speech signals with the help of spectral analysis.
Further information on this graphic is available as information sheet on the media portal of the Siemens Stiftung.
Relevant for teaching:
Vibrations and waves