Polyphase allpass IIR structures for sub-band acoustic echo cancellation.
J. E. HartPatrick A. NaylorOguz TanrikuluPublished in: EUROSPEECH (1993)
Keyphrases
- subband
- filter bank
- high frequency
- discrete wavelet transform
- wavelet transform
- multiresolution
- low frequency
- image compression
- feature vectors
- wavelet decomposition
- bit rate
- wavelet coefficients
- perfect reconstruction
- frequency domain
- low pass
- sar images
- locally adaptive
- wavelet domain
- wavelet packet
- digital filters
- ultra wideband
- visual quality
- multiscale
- lifting scheme
- discrete cosine transform
- feature extraction
- contourlet transform
- computationally efficient
- signal processing