Single-Channel Voice-Response-System Program Documentation. Volume II. Program-Design Modules.
Final rept. Sep 75-Jan 76.
INPUT OUTPUT COMPUTER SERVICES INC CAMBRIDGE MASS
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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-1120, 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 1120 through a 300-baud asynchronous interface. A preliminary design for a VRS for 10 channels is reported. This is the second of three volumes. Volume I is a system description, and Volume III is a users guide. Author
- Voice Communications