Arduino nano 33 ble sense. Cough detection not working

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#1

hello im making a cough detection system using arduino nano 33 ble sense. i followed this guide -->

the problem i have now is that my code is working and can detect coughs, but when its not detection coughs it detects ambient noise and says its a cough ?? im not clearly sure on this.

#2

im going to share what is see my serial monitor.
’
this is what i get when im doing nothing

Recording…
Recording done
Predictions (DSP: 229 ms., Classification: 81 ms., Anomaly: 0 ms.):
0.240.76Cough Detected

this is what i see when i introduce cough noise
Recording…
Recording done
Predictions (DSP: 229 ms., Classification: 81 ms., Anomaly: 0 ms.):
0.96Cough Detected

#3

@nomadtechno What do you mean with ‘introduce cough noise’ ?