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Video

Siemens Stiftung

The Ear, Hearing and Hearing Impairment;: Tuning fork as "simple? sound

Video (00:10 minutes):
Example of a simple periodic sound signal is the relatively pure sound of a tuning fork. The video shows the oscilloscope graph!

The pure periodic sound is the simplest sound event. It corresponds to a regular sine vibration (= harmonic vibration) of pure frequency. The sound of a tuning fork is the nearest of all non-synthetic sound sources to this ideal.

Information and ideas:
Suitable for demonstration purposes but also good for self-study on the part of the students. Idea: show the video 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

Medientypen

Video

Lernalter

11-18

Schlüsselwörter

Sound Wave (physics)

Sprachen

Englisch

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