Optimization of sub-band weights using simulated noisy speech in multi-band speech recognition.
Yik-Cheung TamBrian Kan-Wing MakPublished in: INTERSPEECH (2000)
Keyphrases
- bayesian networks
- speech recognition
- noisy speech
- multi band
- subband
- frequency band
- spectral subtraction
- hidden markov models
- speech signal
- filter bank
- wavelet transform
- discrete wavelet transform
- high frequency
- low frequency
- multispectral
- feature vectors
- noisy environments
- wavelet coefficients
- language model
- image compression
- wavelet decomposition
- multiresolution
- frequency domain
- low pass
- bit rate
- speech synthesis
- wavelet domain
- pattern recognition
- wavelet packet
- speech enhancement
- filter responses
- linear prediction
- vector quantizer
- automatic speech recognition
- image coding
- high quality
- background noise
- hyperspectral
- signal to noise ratio
- multiscale
- image analysis