Title | Estimating vocal-tract area functions from vowel sound signals over closed glottal phases |
Publication Type | Conference Paper |
Year of Publication | 2004 |
Authors | Deng, H., R. K. Ward, M. P. Beddoes, and M. Hodgson |
Conference Name | Acoustics, Speech, and Signal Processing, 2004. Proceedings. (ICASSP '04). IEEE International Conference on |
Pagination | I - 589-92 vol.1 |
Date Published | may. |
Keywords | closed glottal phases, glottal wave, parameter estimation, signal processing, speech processing, speech signals, vocal-tract area functions, vocal-tract filters, vowel sound signals, VTF estimation |
Abstract | Existing methods that estimate the vocal-tract area functions (VTAF) from vocal-tract filters (VTF) using speech signals suffer from inadequate elimination of the glottal wave, and the influence of non-ideal vocal-tract boundary conditions. To minimize these effects on the VTF estimation, we present a method that jointly estimates the glottal wave and the VTF corresponding to closed glottal phases. Experimental results show that our method yields better estimates. The VTAF obtained for /a/ and /i/ each produced by a female and a male subject show that more detailed and accurate VTAF are obtained using the speech signals corresponding to closed glottal phases. |
URL | http://dx.doi.org/10.1109/ICASSP.2004.1326054 |
DOI | 10.1109/ICASSP.2004.1326054 |