Speech enhancement system for hands-free telephone based on the psychoacoustically motivated filter bank with allpass frequency transformation #.
Krzysztof BielawskiAlexander A. PetrovskyPublished in: EUROSPEECH (1999)
Keyphrases
- filter bank
- speech enhancement
- hands free
- subband
- image coding
- linear prediction
- low frequency
- noisy environments
- noise reduction
- signal to noise ratio
- multiscale
- multiresolution
- signal processing
- sar images
- user interface
- speech signal
- frequency domain
- high frequency
- image compression
- computationally efficient
- wavelet transform
- speech recognition
- wavelet domain
- bit rate
- wavelet decomposition
- video frames
- edge detection
- feature vectors
- pattern recognition