Regularized Subspace Gaussian Mixture Models for Speech Recognition.
Liang LuArnab GhoshalSteve RenalsPublished in: IEEE Signal Process. Lett. (2011)
Keyphrases
- gaussian mixture model
- speech recognition
- speaker identification
- covariance matrices
- feature space
- speaker recognition
- mixture model
- language model
- feature vectors
- hidden markov models
- automatic speech recognition
- speech synthesis
- low dimensional
- speaker independent
- maximum likelihood
- em algorithm
- expectation maximization
- high dimensional
- pattern recognition
- speech signal
- speech recognition systems
- dimensionality reduction
- principal component analysis
- speech recognizer
- gaussian distribution
- noisy environments
- mel frequency cepstral coefficients
- probability density function
- information retrieval