Test tone as purest sound signal © Siemens Stiftung 2016 CC BY-SA 4.0 international

Test tone as purest sound signal

Image

Graphic:
Oscilloscope graph of a periodic tone of a single frequency (pure tone). Produced with an electronic sound generator.

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Image (56.4 kByte)
2016-04-15
Simple periodic tones consist of a “pure tone" with a single frequency (mono-frequency sine tone). That only exists in measuring technology as a synthetically generated “test tone".

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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© Siemens Stiftung 2016
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