# A Kaiser window approach for the design of prototype filters of cosine modulated filterbanks

@article{Lin1998AKW, title={A Kaiser window approach for the design of prototype filters of cosine modulated filterbanks}, author={Yuan-Pei Lin and Palghat P. Vaidyanathan}, journal={IEEE Signal Processing Letters}, year={1998}, volume={5}, pages={132-134} }

The traditional designs for the prototype filters of cosine modulated filterbanks usually involve nonlinear optimizations. We propose limiting the search of the prototype filters to the class of filters obtained using Kaiser windows. The design process is reduced to the optimization of a single parameter. An example is given to show that very good designs can be obtained in spite of the limit of search.

#### 184 Citations

Design of Kaiser window based optimized prototype filter for cosine modulated filter banks

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The reconstruction error, which is used as an objective function, is minimized by optimizing the cutoff frequency of designed prototype filter by utilizing linear search optimization algorithm. Expand

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- PACRIM. 2005 IEEE Pacific Rim Conference on Communications, Computers and signal Processing, 2005.
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A design method for M-channel cosine-modulated filter banks that achieves prescribed passband ripple and stopband attenuation in the subbands that reduced the amplitude-response error in the filter bank at the expense of increased aliasing errors. Expand

A Computationally Efficient Design for Prototype Filters of an M-Channel Cosine Modulated Filter Bank

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A computationally efficient method for the design of prototype filters required for the implementation of an M-band cosine modulated filter bank and the optimum interpolation factor requiring minimum number of multipliers is used. Expand

Frequency sampling design of prototype filters for nearly perfect reconstruction cosine-modulated filter banks

- Computer Science
- IEEE Signal Processing Letters
- 2004

The analytical and simulation results show that despite there being no direct control over the stopband attenuation of the prototype filter, the performance of the filter bank is extremely good, and in several cases, the whole system closely satisfies the PR property. Expand

An efficient and simple method for designing prototype filters for cosine-modulated pseudo-QMF banks

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A new method to design prototype filters for conventional cosine-modulated pseudo-quadrature mirror filter (QMF) banks is presented, and the 3-dB cutoff frequency of the filter obtained at /spl pi//2M is set. Expand

An improved and simplified design of cosine-modulated pseudo-QMF filterbanks

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A simple and efficient design of prototype filters for cosine-modulated filterbanks is proposed, resulting in near perfect reconstruction (NPR) filterbanks, however, higher filter order is required to get NPR solution. Expand

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This research work presents a computationally efficient and multiplier-less design approach for cosine modulated filter bank. The prototype filter is designed using rounding and sharpening technique… Expand

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An improved and simplified approach is presented for design of nearly perfect reconstructed cosine-modulated (CM) filter banks with prescribed stopband attenuation and channel overlapping. The method… Expand

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