I am trying to create something like a heat map for sounds originating in a classroom to study the discussions inside the classroom. For this I am instaling directional microphones in various parts of the classroom and inputing the amplitude of sounds captured by them. I need to take the inputs from the microphones and process all of them separately. What hardware/software should I use for this?
PS: I have a mixer board but it'll give me a single channel input. I want separate inputs from all the microphones