Analysis of Multirate Adaptive Filters in Subbands.

Abstract

A subband adaptive filter architecture offers the possibility of performing the equivalent task of a fullband adaptive filter but with several key benefits. Results in the application of acoustic echo canceling demonstrate better convergence with fewer computations using a simulated acoustic echo path with white noise input. We are currently investigating performance using speech input. We are also looking at adaptive wavelet architectures for auto-regressive processes.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1995
Accession Number
ADA310356

Entities

People

  • Delores M. Etter

Organizations

  • University of Colorado Boulder

Tags

Communities of Interest

  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Adaptive Filters
  • Adaptive Systems
  • Air Force
  • Algorithms
  • Bandwidth
  • Coefficients
  • Computations
  • Decomposition
  • Event Detection
  • Filters
  • Frequency
  • Frequency Bands
  • Frequency Domain
  • Scientific Research
  • Wavelet Transforms
  • White Noise

Fields of Study

  • Engineering

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