Single-Channel Voice-Response-System Program Documentation. Volume I. System Description.

Abstract

This report documents the design and implementation of a Voice Response System (VRS) using Adaptive Differential Pulse Code Modulation (ADPCM) voice coding. Implemented on a Digital Equipment Corporation PDP-11/20,R this VRS system supports a single audio-output channel. Vocabulary size is limited to 900 words or phrases. Input to the system consists of text messages or sentences in ASCII format transmitted to the 11/20 through a 300-baud asynchronous interface. A preliminary design for a VRS for 10 channels is reported.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1977
Accession Number
ADA051543

Tags

Communities of Interest

  • Energy and Power Technologies
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Coding
  • Computer Programming
  • Computers
  • Control Systems
  • Databases
  • Decoding
  • Dictionaries
  • Differential Pulse Code Modulation
  • Modulation
  • New York
  • Operating Systems
  • Pulse Code Modulation
  • Records
  • Software Development
  • Speech Compression
  • Terminals
  • United States

Readers

  • Computer Engineering
  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.
  • Speech Processing/Speech Recognition.