biometric identification by electronically recording and graphically representing a person's voice
voiceprint详细解释
voice.print n.（名词）An electronically recorded graphic representation of a person`s voice, in which the configuration for any given utterance is uniquely characteristic of the individual speaker.声波纹：一种电子记录下来的图纹，表现出一个人的声音，图中每一种发音的轮廓都是这个说话者的单独特征
