Accession Number : ADA135233

Title :   Real-Time Implementation of a Speech Digitization Algorithm Combining Time-Domain Harmonic Scaling and Adaptive Residual Coding. Volume 2.

Descriptive Note : Final rept. Feb 82-May 83,

Corporate Author : NOTRE DAME UNIV IN DEPT OF ELECTRICAL ENGINEERING

Personal Author(s) : Melsa,J L ; Mills,J D ; Arora,A A

PDF Url : ADA135233

Report Date : Jun 1983

Pagination or Media Count : 130

Abstract : This report describes the results of a fifteen month study of the real-time implementation of an algorithm combining time-domain harmonic scaling and Adaptive Residual Coding at a transmission bit rate of 16 kb/s. The modifications of this encoding algorithm as originally presented by Melso and Pande to allow real-time implementation are described in detail. A non real-time FORTRAN simulation using a sixteen-bit word length was developed and tested to establish feasibility. The hardware implementation of a full-duplex, real-time system has demonstrated that this algorithm is capable of producing toll quality speech digitization. This report has been divided into two volumes. The second volume discusses details of the hardware implementation, schematics for the system and operating instructions.

Descriptors :   *Algorithms, *Computers, *Computer programs, *Coding, Speech transmission, Analog to digital converters, Instruction manuals, Schematic diagrams, Maintenance, Real time, Cost estimates, Transmitter receivers

Subject Categories : Computer Programming and Software
      Computer Hardware
      Cybernetics
      Voice Communications

Distribution Statement : APPROVED FOR PUBLIC RELEASE