The project for information protection.
A voice is recorded, after which it performs a wavelet transform, receiving and storing the frequency fingerprint of the code phrase. Then the saved fingerprint can be used for authorization, when re-recording and matching the fingerprints of phrases.
MIPT Conference 58 (2015): Исследование применимости вейвлет-преобразования в системах голосовой аутентификации
