Speech spectral amplitude estimators using optimally shaped Gamma and Chi priors.
Ioannis AndrianakisPaul R. WhitePublished in: Speech Commun. (2009)
Keyphrases
- spectral features
- gamma distributions
- linear predictive coding
- spatial frequency
- linear prediction
- speech recognition
- change detection
- speech signal
- spectral analysis
- information gain
- endpoint detection
- recognition engine
- speaker recognition
- audio visual
- automatic speech recognition
- spoken language
- analytical expressions
- hyperspectral imagery
- speaker identification
- language acquisition
- prior information
- decision trees
- probabilistic model
- learned from training data
- video sequences
- prior knowledge
- speech sounds
- hidden markov models
- variance estimator
- cepstral coefficients
- speaker adaptation
- least squares
- vocal tract
- bayesian framework
- random projections
- dialogue system
- emotion recognition