System and method for optimizing the operation of an...

Details System and method for optimizing the operation of an... System and method for optimizing the operation of an...

2007-03-27

2007-03-27

McFadden, Susan (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

C703S002000

Reexamination Certificate

active

11426247

ABSTRACT:
A system for, and method of optimizing an operation of an oversampled filter bank and an oversampled discrete Fourier transform (DFT) filter bank designed by the system or the method. In one embodiment, the system includes: (1) a null space generator configured to produce a basis of a null space of a perfect reconstruction condition matrix based on a first window of the oversampled filter bank and (2) an optimizer associated with the basis generator and configured to employ the null space and an optimization criterion to construct a second window of the oversampled filter bank.

REFERENCES:
patent: 6961685 (2005-11-01), Sy

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