There's this paper, which made the news at the time I think: https://crypto.stanford.edu/gyrophone/files/gyromic.pdf https://crypto.stanford.edu/gyrophone/files

There's this paper, which made the news at the time I think: https://crypto.stanford.edu/gyrophone/files/gyromic.pdf https://crypto.stanford.edu/gyrophone/files/gyromic.pdf And there's this post, which includes an audio clip: https://goughlui.com/2019/02/02/weekend-project-mma8451q-accelerometer-as-a-microphone/ https://goughlui.com/2019/02/02/weekend-project-mma8451q-acc...