FRM-Based FIR Filters With Optimum Finite Word-Length Performance

@article{Lim2007FRMBasedFF,
  title={FRM-Based FIR Filters With Optimum Finite Word-Length Performance},
  author={Yong Ching Lim and Ya Jun Yu and Kok Lay Teo and Tapio Saram{\"a}ki},
  journal={IEEE Transactions on Signal Processing},
  year={2007},
  volume={55},
  pages={2914-2924}
}
It is well known that filters designed using the frequency response masking (FRM) technique have very sparse coefficients. The number of nontrivial coefficients of a digital filter designed using the FRM technique is only a very small fraction of that of a minimax optimum design meeting the same set of specifications. A digital filter designed using FRM technique is a network of several subfilters. Several methods have been developed for optimizing the subfilters. The earliest method optimizes… CONTINUE READING
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