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Siemens Stiftung

Test tone as purest sound signal

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

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

Medientypen

Bild

Lernalter

11-18

Schlüsselwörter

Sound Wave (physics)

Sprachen

Englisch

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