Noisy speech enhancement based on an adaptive threshold and a modified hard thresholding function in wavelet packet domain.
Tahsina Farah SanamCelia ShahnazPublished in: Digit. Signal Process. (2013)
Keyphrases
- wavelet packet
- denoising
- hard thresholding
- noisy environments
- speech enhancement
- wavelet packet transform
- image denoising
- wiener filter
- subband
- noise reduction
- filter bank
- translation invariant
- wavelet coefficients
- image processing
- noisy images
- frequency band
- wavelet domain
- markov random field
- wavelet transform
- signal to noise ratio
- image compression
- single channel
- multiresolution
- synthetic and real images
- high frequency
- speech recognition