[Author]
VoiceAuth was written by 
Lucas Correia Villa Real    <lucasvr@gobolinux.org>

Also, I have to thanks a lot to
Farlei Jose Heinen          <farlei@exatas.unisinos.br> and
Luiz Paulo Luna de Oliveira <luna@exatas.unisinos.br>,

who gave almost all of the technical base to implement
it, and helped to measure and validate the proposed method.