Dolphin Attack used ultrasonic amplitude modulation against a variety of devices with some success [0]. Page 9 for the results table. I believe they were takin

Dolphin Attack used ultrasonic amplitude modulation against a variety of devices with some success [0]. Page 9 for the results table. I believe they were taking advantage of the non linearity of microphones. 0: https://arxiv.org/pdf/1708.09537.pdf https://arxiv.org/pdf/1708.09537.pdf