Task:
If you stay a night in Teheran, the next day people may ask: „How was your night?“ You will answer: „Hard!“
Reproduce and explore the phenomenon.
Extracting the sound track from the video above and analyzing via FFT, we obtain a dominating frequency of 325 Hz.

Hut ab !
Saubere Analyse nach perfekten Experimenten…
Ihr seid schon eine lustige Bande, aber klasse!
Daniela Lehn
What is the accuracy of your method?
And what frequency spectrum would you expect from a standard SFZ mattress?
Wer lacht denn da ganz am Ende…
lacht am besten…..