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

Test tone as purest sound signal

Video

Video (00:04 minutes):
A simple monofrequent pure tone produced synthetically with a generator is a very pure tone. The video shows the oscilloscope graph.

English, German, Spanish
Video (558.7 kByte)
2018-04-22
A simple monofrequent pure tone produced synthetically with a generator can be even purer than any tuning fork tone.

Information and ideas:
Suitable for demonstration purposes but also good for self-study on the part of the students. Idea: show the film without sound to begin with. The students should then guess what sort of noise/sound it might be.

Relevant for teaching:
Acoustic phenomena
Sound/acoustics: parameters
Communication and understanding
Vibrations and waves
Illustration
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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