Read data from my Laptop microphone and use it for occupancy(presence) detection in a room/system

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C#

Hi,

I am working on my project that is to detect occupancy in a room or a place using some sensors. Now what i want to do is use my laptop microphone to read the audio data from the surrounding and analyse it for presence of someone in a room/place.

for example i want to write a program that uses my system microphone and gets a continuous data for some time and then use that data to detect if there is any person on the system or not ?

can anyone help me with anything in this regard ?

I have to code it using C#.

Thank you