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ICASSP
2008
IEEE
9 years 20 days ago
The role of voice source measures on automatic gender classification
Physiological properties of the glottis and the vocal tract change with age and gender. Since these changes are reflected in the speech signal, acoustic measures related to those...
Yen-Liang Shue, Markus Iseli
ICASSP
2008
IEEE
9 years 20 days ago
Compressed sensing - a look beyond linear programming
Recently, significant attention in compressed sensing has been focused on Basis Pursuit, exchanging the cardinality operator with the l1-norm, which leads to a linear formulation...
Christian R. Berger, Javier Areta, Krishna R. Patt...
ICASSP
2008
IEEE
9 years 20 days ago
Unsupervised learning of auditory filter banks using non-negative matrix factorisation
Non-negative matrix factorisation (NMF) is an unsupervised learning technique that decomposes a non-negative data matrix into a product of two lower rank non-negative matrices. Th...
Alexander Bertrand, Kris Demuynck, Veronique Stout...
ICASSP
2008
IEEE
9 years 20 days ago
Optimizing the acoustic modeling from an unbalanced bi-lingual corpus
Phoneme set clustering of accurate modeling is important in the task of multilingual speech recognition, especially when each of the available language training corpora is mismatc...
Dau-cheng Lyu, Ren-yuan Lyu
ICASSP
2008
IEEE
9 years 20 days ago
Doppler-variant modeling of the vocal tract
A common technique to deploy linear prediction to nonstationary signals is time segmentation and local analysis. In [1], the temporal changes of linear prediction coefficients (L...
Axel Heim, Uli Sorger, Florian Hug
ICASSP
2008
IEEE
9 years 20 days ago
An improved SNR estimator for speech enhancement
In this paper, we propose an MMSE a priori SNR estimator for speech enhancement. This estimator has similar benefits to the well-known decision-directed approach, but does not req...
Yao Ren, Michael T. Johnson
ICASSP
2008
IEEE
9 years 20 days ago
Polyphase speech recognition
We propose a model for speech recognition that consists of multiple semi-synchronized recognizers operating on a polyphase decomposition of standard speech features. Specifically...
Hui Lin, Jeff Bilmes
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