Hi guys, I have a work-related project where we want to be able to collect acoustic noises (animals mostly) from a remotely piloted aircraft (small uav) using a Jetson TK1. Some of you may think audio collection from an aircraft is silly but it is very much feasible as it’s been done by others, i just don’t have their documentation so I am doing this from scratch.
Can somebody let me know if the following idea would work or if there is a better way to go about it?
Essentially, I want to deploy an array of approximately 6 microphones onto the belly of the aircraft, connect the 3.5mm jack into an USB Analog to Digital Audio Converter (x6) plug the converter’s USB into a port on a 7-port USB expansion HUB which will then directly plug into the Jetson Tk1 USB slot.
Jetson Tk1 --> 7-port USB 3.0 Expansion Hub --> USB Analog to Digital Audio Converter (3.5mm jack) --> Microphone (powered with a battery).
From what I understand it’s possible to expand the single USB 3.0 port on the Jetson Tk1 with little effort and then program drivers for the microphones. Did I miss anything and is this possible?
By creating an array of microphones this will essentially allow me to perform post processing and beamforming on the audio and filter out unwanted background noises (hopefully). Some of this processing may be done on the board in the future but for now I really just want to capture all collected audio in as clear a signal as possible on the aircraft.
Thanks in advance for taking the time to read and think about this. Please bear in mind I am not an expert in acoustics or programming but I felt with my limited knowledge and the open source community we could make this happen. Hopefully one day we could stop poachers/drug runners from damaging our wildlife habitats(my project).