A Noise-Robust Front-End Based on Tree-Structured Filter-Bank for Speech Recognition.
Rhee Man KilYoung-Ik KimGeon Hyoung LeePublished in: IJCNN (6) (2000)
Keyphrases
- speech recognition
- filter bank
- noisy environments
- subband
- image coding
- speech signal
- automatic speech recognition
- computationally efficient
- multiresolution
- hidden markov models
- multiscale
- pattern recognition
- background noise
- speech recognizer
- language model
- speech synthesis
- perfect reconstruction
- speaker identification
- speech enhancement
- signal processing
- noise reduction
- wavelet packet
- high frequency
- noise level
- additive noise
- low pass
- probabilistic model
- spectral analysis
- speaker independent
- low frequency
- signal to noise ratio
- frequency domain
- natural images
- image compression
- image data