Suppression of interference in speech signals via multirate filter banks.
Sreelatha MagantiKorrai Deergha RaoPublished in: CSNDSP (2012)
Keyphrases
- filter bank
- speech signal
- subband
- speech recognition
- image coding
- automatic speech recognition
- multiscale
- perfect reconstruction
- multiresolution
- spectral analysis
- automatic speech recognition systems
- signal processing
- non stationary
- frequency domain
- edge detection
- additive noise
- reconstruction error
- computationally efficient
- wavelet packet
- linear prediction
- low pass
- hidden markov models
- lifting scheme
- wavelet filters
- building blocks
- bit rate
- adaptive filtering
- wavelet transform
- spatial domain
- image compression