Less than 1 month –
Less than 10 hrs/week –
I am looking to build a gadget that will measure sound levels, and any sound which is above a certain level, and which is SHORT (lasting less than 0.5s) then triggers a certain event.
To be more precise:
OPERATIONS (what the software should do):
1) initialise the microcontroller (and start "counting" time).
2) read voltage measure from microphone
3) Convert sound to digital signal (possible DSP part of MC).
4) filter out sounds above 4,000Hz.
5) fliter out ...