417 search results - page 26 / 84 » Signal processing tools for speech recognition |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this contribution we present a feature extraction method that relies on the modulation-spectral analysis of amplitude fluctuations within sub-bands of the acoustic spectrum by ...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
For speech recognition, mismatches between training and testing for speaker and noise are normally handled separately. The work presented in this paper aims at jointly applying sp...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
In previous work we introduced a new missing data imputation method for ASR, dubbed sparse imputation. We showed that the method is capable of maintaining good recognition accurac...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
This paper proposes a set of affine invariant features (AIFs) for sequence data. The proposed AIFs can be calculated directly from the sequence data, and their invariance to af...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
We introduce Bayesian sensing hidden Markov models (BS-HMMs) to represent speech data based on a set of state-dependent basis vectors. By incorporating the prior density of sensin...