Robust HMM to variation of noisy environments based on variance extension of noise models.
Hiroshi MatsumotoHiroaki UbukataPublished in: EUROSPEECH (1999)
Keyphrases
- noisy environments
- speech recognition
- noise reduction
- speech signal
- speaker verification
- hidden markov models
- speech enhancement
- background noise
- automatic speech recognition
- digit recognition
- speaker identification
- multiresolution
- signal to noise ratio
- voice activity detection
- information retrieval
- machine learning
- word recognition
- image noise
- random fields
- probabilistic model
- neural network