Voice morphing based on interpolation of vocal tract area functions using AR-HMM analysis of speech. - Yoshiki Nambu; Masahiko Mikawa; Kazuyo Tanaka (INTERSPEECH, 2009)

Flexible voice morphing based on linear combination of multi-speakers' vocal tract area functions. - Yoshiki Nambu; Masahiko Mikawa; Kazuyo Tanaka (EUSIPCO, 2010)