Vaidyanathan, P. P. and Nguyen, T. Q. and Saramaki, T. (1988) Improved approach for design of perfect reconstruction FIR QMF banks, with lossless lattice structures. In: ICASSP-88, International Conference on Acoustics, Speech, and Signal Processing. Vol.3. IEEE , Piscataway, NJ, pp. 1471-1474. http://resolver.caltech.edu/CaltechAUTHORS:20170712-172701882
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Abstract
A property of FIR (finite-impulse response) lossless systems is introduced, leading to substantial improvement in the sign procedure for perfect-reconstruction QMF (quadrature mirror filter) banks. The property enables the designer to initialize the coefficients of a lattice structure (which characterizes the analysis bank), in such a way as to speed up to the convergence. A design example is provided. Compared to other methods, the proposed method is shown to converge faster, and always leads to much improved attenuation characteristics for a given filter length.
| Item Type: | Book Section | |||||||||
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| Additional Information: | © 1988 IEEE. Work supported in part by the National Science Foundation grants DCI 8552579 and MIP 8604456. | |||||||||
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| Record Number: | CaltechAUTHORS:20170712-172701882 | |||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20170712-172701882 | |||||||||
| Official Citation: | P. P. Vaidyanathan, T. Q. Nguyen and T. Saramaki, "Improved approach for design of perfect reconstruction FIR QMF banks, with lossless lattice structures," ICASSP-88., International Conference on Acoustics, Speech, and Signal Processing, New York, NY, 1988, pp. 1471-1474 vol.3. doi: 10.1109/ICASSP.1988.196879 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 79040 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Kristin Buxton | |||||||||
| Deposited On: | 13 Jul 2017 03:06 | |||||||||
| Last Modified: | 13 Jul 2017 03:06 |
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