Jam-Resistant Speech Encoding.

Abstract

This report describes techniques that provide increased jam resistance for digitized speech. Methods for increasing the jam resistance of pulse code modulated data are analyzed and evaluated in listener tests. Special emphasis is placed on new voice encoding approaches that take advantage of a spread spectrum system with a variable (or multiple)-data-rate/variable (or multiple)-AJ capability. Methods for matching a source to a channel in a jamming environment are investigated. Several techniques that provide about a 4 dB increase in jam resistance have been identified. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1983
Accession Number
ADA134707

Entities

People

  • M. A. Poole
  • R. Rifkin

Organizations

  • MITRE Corporation

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Algorithms
  • Coding
  • Communication Systems
  • Computer Programming
  • Computer Simulations
  • Data Links
  • Data Rate
  • Environment
  • Frequency
  • Information Theory
  • Mathematical Models
  • Probability
  • Probability Distributions
  • Signal Processing
  • Speech Compression
  • Speech Quality
  • Spread Spectrum

Readers

  • Microwave Engineering.
  • Speech Processing/Speech Recognition.
  • Tactical Satellite Communications Systems Engineering.