Accession Number : AD0286158

Title :   DESIGN AND DEVELOPMENT OF A DIGITAL VOICE DATE PROCESSING SYSTEM

Corporate Author : AIR FORCE CAMBRIDGE RESEARCH LABS HANSCOM AFB MA

Personal Author(s) : SCHOENE, L.P. ; STRAIGHT, H.A. ; KING, O.C.

Report Date : MAR 1962

Pagination or Media Count : 1

Abstract : The system is a special-purpose transistorized data processor designed to support research on digital voice communication, and evaluation of a speech bandwidth compression technique. The system processes serial digital data from a speech analyzer (Vocoder) and multiplex, and operates in real-time to sort and compile the frequency distributions of voice-spectrum patterns. Provisions are included for using the analysis to obtain printouts and data tapes of voice spectrograms. A third capability involves real-time processing of digital voice signals by encoding in terms of any fixed set of voice patterns that are programmed on to the memory drum, permitting studies of the intelligibility and quality of compressed speech to be evaluated in terms of the size and structure of voice-pattern vocabulary, and the logic governing selections. Speech synthesis is performed by reading out serial data to a demultiplex and Vocoder synt esizer. A keyboard is provided for manual entry of data items, for interrogation of the memory, and for use in the manipulation of data to facilitate research studies of the perception of speech. Peripheral equipment includes a highspeed line printer, a high-speed tape perforator, and a tape reader. (Author)

Descriptors :   *DATA PROCESSING, COMPUTER LOGIC, MEMORY DEVICES, DATA STORAGE SYSTEMS, DIGITAL SYSTEMS, PROGRAMMING (COMPUTERS), SPEECH REPRESENTATION.

Distribution Statement : APPROVED FOR PUBLIC RELEASE