Variable Length Teager Energy Based Mel Cepstral Features for Identification of Twins
An important issue which must be addressed for the speaker recognition system is how well the system resists the effects of determined mimics such as those based on physiological characteristics especially twins. In this paper, a new feature set based on recently proposed Variable Length Teager Energy Operator (VTEO) and state-of-the-art Mel frequency cepstral coefficients (MFCC) is developed. The effectiveness of the newly derived feature set in identifying twins in Marathi language has been demonstrated. Polynomial classifiers of 2 nd and 3 rd order have been used. The results have been compared with other spectral feature sets such as Linear Prediction Coefficients (LPC), Linear Prediction Cepstral Coefficients (LPCC) and baseline MFCC.
KeywordsSpeech Signal Vocal Tract Speaker Recognition Pitch Contour Dependency Index
- 3.Kaiser, J.F.: On a simple algorithm to calculate the ‘energy’ of a signal. In: Proc. of Int. Conf. on Acoustic, Speech and Signal Processing, vol. 1, pp. 381–384 (1990)Google Scholar
- 4.Kersta, L.G., Colangelo, J.A.: Spectrographic speech patterns of identical twins. J. Acoust Soc. Amer. 47(1), 58–59 (1970)Google Scholar
- 5.Maragos, P., Quatieri, T., Kaiser, J.F.: Speech non-linearities, modulation and energy Operators. In: Proc. Int. Conf. Acoustics, Speech, and Signal Processing, ICASSP 1991, Toronto, ON, Canada, pp. 421–424 (1991)Google Scholar
- 6.Patil, H.A., Basu, T.K.: The Teager energy based features for identification of identical twins in multi-lingual environment. In: Pal, N.R., Kasabov, N., Mudi, R.K., Pal, S., Parui, S.K. (eds.) ICONIP 2004. LNCS, vol. 3316, pp. 333–337. Springer, Heidelberg (2004)Google Scholar
- 9.Tomar, V., Patil, H.A.: On the development of variable length Teager energy operator (VTEO). In: Interspeech, Brisbane, Australia, pp. 1056–1059 (2008)Google Scholar