Speech enhancement using weighting function based on the variance of wavelet coefficients.
Ching-Ta LuHsiao-Chuan WangPublished in: INTERSPEECH (2003)
Keyphrases
- wavelet coefficients
- speech enhancement
- single channel
- wavelet domain
- noise reduction
- wavelet transform
- subband
- wavelet decomposition
- noisy environments
- multiscale
- multiresolution
- linear prediction
- signal to noise ratio
- speech signal
- image denoising
- high frequency
- noisy images
- additive noise
- vocal tract
- multi channel
- wiener filter
- feature vectors
- prediction error
- image compression
- bitstream
- denoising
- edge preserving
- frequency domain
- noise level
- filter bank
- image coding
- pattern recognition
- feature extraction
- high quality