First place winner of the 2023 International Student Challenge in Acoustic Signal Processing hosted by the Acoustical Society of America

Challenge Problem and Approach

In this challenge, we applied spectral analysis and acoustic direction of arrival methods to characterize a divers motion as they pass over a transducer array consisting of 3 hydrophones. By utilizing frame-based energy analysis and cross-correlation based time of arrival differences, we were able to extract a geometric model of the divers motion over time, providing information about the diver’s breathing rate, swim-speed, altitude, and time of closest approach. From this information we were able to produce a mathematical model of the diver’s motion over time to validate our results. A manuscript detailing our solutions is attached below. See the original problem statement here.

Note: this was co-authored with my lab-mate Pranav from Uwaterloo.