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Co-optimization of FFT and FIR in a delayless acoustic echo canceller implementation

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Author

Summary, in English

In application specific implementation of digital signal processing algorithms optimization is important for a low power solution, not only on block level but also between blocks. This paper presents a co-optimization of a fast Fourier transform and a finite impulse response filter in a silicon implementation of an acoustic echo. The optimization gain can be measured in the number of operations and memory accesses performed per second, and therefore processing power. The optimization can also be applied to other algorithms with a similar constellation of Fourier transforms and finite impulse response filters

Publishing year

2000

Language

English

Pages

241-244

Publication/Series

[Host publication title missing]

Volume

5

Document type

Conference paper

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

IEEE International Symposium on Circuits and Systems (ISCAS), 2000

Conference date

2000-05-28 - 2000-05-31

Conference place

Geneva, Switzerland

Status

Published

ISBN/ISSN/Other

  • ISBN: 0-7803-5482-6