Tuning fork as “simple" sound © Siemens Stiftung 2016 CC BY-SA 4.0 international

Tuning fork as “simple" sound

Image

Graphic:
Oscilloscope graph of a tuning fork tone as example of a simple tone with visible upper harmonics in the starting phase of oscillation.

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Image (34.7 kByte)
2017-04-20
Tuning forks as well produce simple periodic tones but, strictly speaking, they are not really pure as there are several upper harmonics already overlapped.

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:
Sound/acoustics: parameters
Vibrations and waves
Example
Physics; Technology
Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Middle/high school; Vocational training
Sound; Wave (physics)
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