Preserving naturalness in synthetic voices while minimizing variation in formant frequencies and bandwidths. - Niels-Jørn Dyhr; Marianne Elmlund; Carsten Henriksen (ICSLP, 1994)

Synthesising short vowels from their long counterparts in a concatenative based text-to-speech system. - Ove Andersen; Niels-Jørn Dyhr; Inger S. Engberg; Claus Nielsen (SSW, 1998)