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Re-design of the wavelet filterbank

The wavelet filterbank shown in Fig. [*] is adjusted to the human auditory properties. ERB (Equivalent Rectangular Bandwidth) of an auditory filter described in previous section is determined as a function of the number of auditory filters. By setting the parameters to the human auditory properties. The constant Q filterbank is constructed ERB equals 1 and when a center frequency of auditory filter is 600 Hz (K=128) [24].



Masashi Unoki
2000-10-26