An adaptive quantization using IIR filter bank for speech compression.
Hiroto SaitoShogo NakamuraPublished in: EUSIPCO (1998)
Keyphrases
- filter bank
- subband image coding
- wavelet filters
- subband coding
- infinite impulse response
- subband
- wavelet packet
- biorthogonal wavelet
- image coding
- image compression
- transform coding
- synthesis filters
- multiscale
- perfect reconstruction
- multiresolution
- image coder
- data compression
- finite impulse response
- signal processing
- low pass
- speech recognition
- frequency domain
- speech signal
- wavelet transform
- compression algorithm
- compression scheme
- computationally efficient
- compression ratio
- discrete cosine transform
- transform coefficients
- entropy coding
- lossy compression
- wavelet domain
- fir filters
- lifting scheme
- vector quantization
- compressed data
- wavelet decomposition
- computational complexity
- denoising
- lossless compression
- high frequency
- bit rate
- wavelet coefficients
- discrete wavelet transform
- video sequences
- image processing