A very low bit rate speech coder using HMM-based speech recognition/synthesis techniques. - Keiichi Tokuda; Takashi Masuko; Jun Hiroi; Takao Kobayashi; Tadashi Kitamura (ICASSP, 1998)

Very low bit rate speech coding based on HMMs. - Jun Hiroi; Keiichi Tokuda; Takashi Masuko; Takao Kobayashi; Tadashi Kitamura (Syst. Comput. Jpn., 2001)