On the assumption that cepstral features is independent from glottal ones, traditional speaker models ignored the potential influences of enlarging the intra-speaker distance.

• 基于声门特征和声道特征独立的假设，传统的说话人模型往往忽略了由此可能带来的说话人自身(intra-speaker)距离对于系统区分度的影响。