Recovering Audio Sources in a Multi-Path Environment

Abstract

Geometric (Adaptive) Beamforming 1. What it is: - microphone array with fixed geometric configuration - adaptive algorithms to steer and adjust beam pattern 2. Typical Applications: - Attenuation of jammers - source localization 3. Problems/Issues: - Requires know/fixed array configuration - Cannot handle multiple sources - Signal leakage, reverberation.

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Document Details

Document Type
Technical Report
Publication Date
Aug 24, 1999
Accession Number
ADA513025

Entities

People

  • Lucas C. Parra
  • Paul Sajda

Organizations

  • Sarnoff Corporation

Tags

Communities of Interest

  • Sensors

DTIC Thesaurus Topics

  • Abstracts
  • Acoustic Detectors
  • Acoustic Signals
  • Algorithms
  • Attenuation
  • Automated Speech Recognition
  • Computational Complexity
  • Detectors
  • Environment
  • Information Operations
  • Low Noise
  • Microphones
  • Reverberation
  • Standards
  • Workshops

Fields of Study

  • Engineering

Readers

  • Acoustical Oceanography.
  • Electrical Engineering
  • Phased Array Antenna Design.