Bang as aperiodic sound impulse © Siemens Stiftung 2016 CC BY-SA 4.0 international

Bang as aperiodic sound impulse

Video

Video (00:03 minutes):
Example of an extremely short loud aperiodic sound event. Graph can be seen on oscilloscope!

English, Spanish, German
Video (395.6 kByte)
2018-04-22
A bang is the result of a sudden, very short aperiodic vibration of great amplitude. The amplitude diminishes quickly as well.
Examples are a shot, the bursting of a paper bag or the banging of a door.

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
Siemens Stiftung Media Portal
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© Siemens Stiftung 2016
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