A novel implementation of perfect reconstruction QMF banks using IIR filters for infinite length signals
- 2 January 2003
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 5, 2312-2315 vol.5
- https://doi.org/10.1109/iscas.1992.230496
Abstract
A novel scheme for implementing a perfect reconstruction filter bank using infinite-impulse-response (IIR) all-pass filters for the processing of infinite length input signals is described. The scheme uses double buffers to implement noncausal, stable synthesis filters operating on infinite length sequences. Finite word-length effects on the performance of the overall system are discussed, and various applications for this structure are proposed.<>Keywords
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