Violins as complex sound signal © Siemens Stiftung 2016 CC BY-SA 4.0 international

Violins as complex sound signal

Image

Graphic:
Oscilloscope graph of violin playing. Example of complex tone as overlapping of simple tones.

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Image (29.6 kByte)
2016-04-15
In the case of complex periodic tones, several simple tones overlap to create one “overall tone" (sound).
With the violin, several simple tones overlap their upper harmonics to form “sounds" and the sounds and tones of several strings form complex “tone and sound mixtures". A complex periodic sound signal is formed through the combination of simple harmonics or partial tones.

Information and ideas:
Possible cross reference: Examination of aperiodic speech signals with the help of spectral analysis.
Further information on this photo 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
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