A Feasibility Study of a Hybrid Secure Voice Coding Processor.

Abstract

An investigation of a proposed hybrid voice coding system proved the feasibility of such a system to provide a privacy voice channel with an acceptable degree of intelligibility. The proposed system is basically a voice inversion system employing a randomly generated carrier frequency for inversion. The random carrier frequency generator is controlled by a programmable, digital character generator. The hybrid system is readily adaptable to present military and civilian VHF/UHF voice communications systems at a relatively low cost and with a very minimum of equipment modification. (Author)

Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1972
Accession Number
AD0756519

Entities

People

  • John Gary Oehlenschlager

Organizations

  • Naval Postgraduate School

Tags

DTIC Thesaurus Topics

  • Carrier Frequencies
  • Character Generators
  • Feasibility Studies
  • Frequency
  • Generators
  • Hybrid Systems
  • Intelligibility
  • Inversion
  • Voice Communications

Fields of Study

  • Engineering

Readers

  • Computer Programming and Software Development.
  • Radio communications and signal processing.
  • Speech Processing/Speech Recognition.