SNR estimation of speech signals using subbands and fourth-order statistics.
Elias NemerRafik A. GoubranSamy MahmoudPublished in: IEEE Signal Process. Lett. (1999)
Keyphrases
- fourth order
- speech signal
- speech enhancement
- noise removal
- estimation error
- noise reduction
- speech recognition
- signal to noise ratio
- subband
- high order
- linear prediction
- partial differential equations
- noisy environments
- automatic speech recognition
- multiresolution
- wavelet transform
- image interpolation
- anisotropic diffusion
- vocal tract
- filter bank
- wavelet coefficients
- additive noise
- image compression
- hidden markov models
- automatic speech recognition systems
- wavelet decomposition
- wavelet domain
- high frequency
- non stationary
- feature vectors
- noisy images
- edge preserving
- image enhancement