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Nonuniform oversampled filter banks for audio signal processing

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2 Author(s)
Cvetkovic, Z. ; Div. of Eng. & Appl. Sci., Harvard Univ., Cambridge, MA, USA ; Johnston, J.D.

In emerging audio technology applications, there is a need for decompositions of audio signals into oversampled subband components with time-frequency resolution which mimics that of the cochlear filter bank and with high aliasing attenuation in each of the subbands independently, rather than aliasing cancellation properties. We present a design of nearly perfect reconstruction nonuniform oversampled filter banks which implement signal decompositions of this kind.

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Speech and Audio Processing, IEEE Transactions on  (Volume:11 ,  Issue: 5 )