Low delay multi-level decomposition and quantisation techniques for WI coding


For efficient coding of speech, it is desirable to separate the slowly and rapidly evolving spectral components to take advantage of their different perceptual qualities. In this paper, we present a multi-level wavelet decomposition mechanism, using low-delay FIR filters, applied to Waveform Interpolation coding. The technique overcomes the substantial… (More)
DOI: 10.1109/ICASSP.1999.758107


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