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Evaluation of real time adaptive noise cancelling algorithms as implemented using a digital signal processor chip

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2 Author(s)
M. L. Wagner ; Dept. of Electr. Eng., California Univ., Davis, CA, USA ; K. W. Current

Adaptive lattice noise cancelling algorithms have features that make them appear attractive for the realisation of realtime adaptive noise cancellers with single chip digital signal processors. Two popular adaptive lattice noise cancelling algorithms have been evaluated for this application. Considered are stochastic gradient lattice and least squares lattice algorithms. For the purpose of comparison, the stochastic gradient transversal algorithm is also evaluated. Their performances under a variety of signal and noise excitations are summarised and compared in terms of operating rates and misadjustments.

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IEE Proceedings E - Computers and Digital Techniques  (Volume:137 ,  Issue: 2 )