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> which consecutive snaps were made with the fingers. The graph below shows the results:
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> ![G1](http://gitlab.au.dk/uploads/group-22/lego/093160e740/G1.png)
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> ##### Fig. 4 Recording of a sequence of four finger snaps. The graph shows data logged from the NXT while running
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> the SoundSampler program.
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> ##### Fig. 4 Recording of a sequence of four finger snaps. The graph shows data logged from the NXT while running the SoundSampler program.
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> The graph shows four distinct spikes in the sound level caused by the finger snapping. The spikes peak at 30-50
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> (db?) before the sound level goes back to its normal. The background noise measured is about 2-10 (db?).It is
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> dB before the sound level goes back to its normal. The background noise measured is about 2-10 dB.It is
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> interesting to note that the spikes increase faster than they fade away. This observation can be due to resonance
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> or echo from the sound waves which take some milliseconds to fade away.
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