Estimating the vocal-tract area function and the derivative of the glottal wave from a speech signal. - Huiqun Deng; Michael P. Beddoes; Rabab Kreidieh Ward; Murray Hodgson (INTERSPEECH, 2003)

Estimating vocal-tract area functions from vowel sound signals over closed glottal phases. - Huiqun Deng; Rabab K. Ward; Michael P. Beddoes; Murray Hodgson (ICASSP (1), 2004)

Effects of Glottal and Lip Boundary Conditions on Vocal-Tract Area Function Estimates from Speech Signals. - Huiqun Deng; Rabab K. Ward; Michael P. Beddoes; Murray Hodgson (ICASSP (1), 2005)

A new method for obtaining accurate estimates of vocal-tract filters and glottal waves from vowel sounds. - Huiqun Deng; Rabab K. Ward; Michael P. Beddoes; Murray Hodgson (IEEE Trans. Speech Audio Process., 2006)