The vocal-tract mapping algorithm is the key part, so formant parameters which are estimated by the root-finding method based on LP analysis, are chosen for the transformation parameters.

• 其中，声道参数的转换是获得高质量重建语音的关键，所以选择声道共振峰参数作为待转换的特征参数，利用线性预测求根法提取共振峰参数。