My project is using  Voice Print Recognition technology to check if the voiceprint of the input match the corresponding one in the database. This technology can be used in many identity verification scenes like customer services for bank, door lock, business transaction. The main steps approximately will be: take voice input -> (remove noise -> ) extract voice features -> building models with selected algorithms -> compare voice features -> check if voiceprint match. The possible algorithms might be: VQ, MFCC, DTW.