  Automatic speech verification (ASV) is the technology to determine the
identity of a person based on their voice. While being convenient for identity
verification, we should aim for the highest system security standard given that
it is the safeguard of valuable digital assets. Bearing this in mind, we follow
the setup in ASVSpoof 2019 competition to develop potential countermeasures
that are robust and efficient. Two metrics, EER and t-DCF, will be used for
system evaluation.
