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.

Available in: English, German, Spanish (CREA)
Type of media: Image (56.4 kByte)
Last update: 2016-04-15
License:

This medium is made available under a CC BY-SA 4.0 international license.

What does this mean?

How to reference this medium
Media package:
For interactive whiteboards: Sound and types of sound
Description:
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
Related media:
Sound signals and sound curves (Text)
Test tone as purest sound signal (Audio)
Test tone as purest sound signal (Video)
Learning resource type:
Example
Subjects:
Physics; Technology
Grade levels:
Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
School types:
Middle/high school; Vocational training
Keywords:
Sound; Wave (physics); Sound wave; Technical illustration; Type of sound
Bibliography:
Siemens Stiftung Media Portal
Author:
MediaHouse GmbH
Rights holder:
© Siemens Stiftung 2016
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