Variational noise model composition through model perturbation for robust speech recognition with time-varying background noise.
Wooil KimJohn H. L. HansenPublished in: Speech Commun. (2011)
Keyphrases
- speech recognition
- background noise
- noise model
- noisy environments
- noisy speech
- speech signal
- probabilistic model
- hidden markov models
- gaussian distribution
- image segmentation
- automatic speech recognition
- multiscale
- parameter space
- optimization procedure
- denoising
- pattern recognition
- objective function
- spectral subtraction
- computer vision