ME413/513 Homework Assignment #4 Last Updated March 17 2004 The HW#4 assignment can be found here. You will need the following data files: BK4134 voltage data, BK4138 voltage data, and ACO7016 voltage data. You will also need the following microphone calibration sheets: BK4138, BK4134, and ACO7016. Solutions can be found here.