SINGLE-CHANNEL VOICE-RESPONSE-SYSTEM PROGRAM DOCUMENTATION. VOLUME III. USER'S GUIDE

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, 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.

• Record URL:
  https://rosap.ntl.bts.gov/view/dot/38910
• Supplemental Notes:
  • See also Volume 1, AD-A051 543.
• Corporate Authors:

  Input Output Computer Services Incorporated

  Cambridge, MA  United States 
• Publication Date: 1977-12

Media Info

• Media Type: Digital/other
• Pagination: 38 p.

Subject/Index Terms

• TRT Terms: Adaptive control; Coding systems; Communications; Digital computers; Messages (Communications); Programming manuals; Pulse code modulation; Real time control; Real time data processing; Subroutines
• Old TRIS Terms: Adaptive communications; Differential pulse code modulation; Machine coding; Message processing; Response; Vocoders
• Subject Areas: Data and Information Technology;

Filing Info

• Accession Number: 00175461
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: FAA-RD-77-177.3
• Contract Numbers: DOT-TSC-1107
• Files: NTIS, NTL
• Created Date: May 31 2002 12:00AM