Your Microphone Array Retains Your Identity: A Robust Voice Liveness Detection System for Smart Speakers. - Yan Meng 001; Jiachun Li 001; Matthew Pillari; Arjun Deopujari; Liam Brennan; Hafsah Shamsie; Haojin Zhu; Yuan Tian 001 (USENIX Security Symposium, 2022)