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|Title:||Complexity reduction by decoupling the masking filters from the bandedge shaping filter in the FRM technique|
|Authors:||Lian, Y. |
|Source:||Lian, Y.,Yang, C.Z. (2003-03). Complexity reduction by decoupling the masking filters from the bandedge shaping filter in the FRM technique. Circuits, Systems, and Signal Processing 22 (2) : 115-135. ScholarBank@NUS Repository.|
|Abstract:||In the frequency-response masking (FRM) approach, the complexity of two masking filters is heavily dependent on the interpolation factor and the cutoff frequencies of the bandedge shaping filter. In this paper, we propose a novel structure that decouples the masking filters from the bandedge shaping filter. The design equations together with the design procedures are presented. With the introduction of an additional decoupling stage, the complexity of the overall filter can be greatly reduced. Our example shows that more than 40% savings in the numbers of multipliers and adders can be achieved compared with the original FRM approach.|
|Source Title:||Circuits, Systems, and Signal Processing|
|Appears in Collections:||Staff Publications|
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