1. Devon Delfino, Google smart lock Retrieved June 09, 2021, from: https://get.google.com/smartlock/.
2. Drew Harwell, An-artificial intelligence first: Voice-mimicking software reportedly used in a major theft. Retrieved June 19, 2021, from: https://www.washingtonpost.com/technology/2019/09/04/an-artificial-intelligence-first-voice-mimicking- software- reportedly-used-major-theft.
3. Alegre, F., Janicki, A., Evans, N. Re-assessing the threat of replay spoofing attacks against automatic speaker verification. In: 2014 International Conference of the Biometrics Special Interest Group (BIOSIG). 2014. IEEE.
4. Automatic speaker verification: a review;Rosenberg;Proc. IEEE,1976
5. Analysis of speaker adaptation algorithms for HMM-based speech synthesis and a constrained SMAPLR adaptation algorithm;Yamagishi;IEEE Trans. Audio Speech Language Process,2009