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

Författare:
Publiceringsår: 2000
Språk: Engelska
Sidor: 241-244
Publikation/Tidskrift/Serie: [Host publication title missing]
Volym: 5
Dokumenttyp: Konferensbidrag

Sammanfattning

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

Nyckelord

  • Electrical Engineering, Electronic Engineering, Information Engineering

Övriga

IEEE International Symposium on Circuits and Systems (ISCAS), 2000
Published
  • ISBN: 0-7803-5482-6

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