Discriminative dynamic Gaussian mixture selection with enhanced robustness and performance for multi-accent speech recognition.
Chao ZhangYi LiuYunqing XiaChin-Hui LeePublished in: ICASSP (2012)
Keyphrases
- speech recognition
- gaussian mixture
- hidden markov models
- language model
- automatic speech recognition
- pattern recognition
- speech synthesis
- speech recognition systems
- speech signal
- speech processing
- speech recognizer
- em algorithm
- mixture model
- closed form
- probability density function
- covariance matrix
- density estimation
- noisy environments
- gaussian mixture model
- discriminative training
- speech recognition technology
- information retrieval
- natural images
- expectation maximization
- unsupervised learning
- maximum likelihood
- speaker independent