Speech enhancement using hybrid gain factor in critical-band-wavelet-packet transform.
Ching-Ta LuHsiao-Chuan WangPublished in: Digit. Signal Process. (2007)
Keyphrases
- wavelet packet transform
- speech enhancement
- frequency band
- noisy environments
- wavelet packet
- shift invariant
- wavelet coefficients
- noise reduction
- wavelet transform
- denoising
- texture features
- high frequency
- analog circuits
- speech signal
- signal to noise ratio
- single channel
- subband
- watermarking algorithm
- linear prediction
- filter bank
- sample set
- multiresolution
- high quality
- feature vectors
- wavelet decomposition
- image features
- low frequency
- wavelet domain
- feature extraction
- image compression
- speech recognition