Overview of Voice Communications and Speech Processing

  • A. Nejat Ince
Part of the The Kluwer International Series in Engineering and Computer Science book series (SECS, volume 155)


This chapter discusses the use of voice for civil and military communications and outlines possible operational requirements including environmental factors and the effects of propagational factors and electronic warfare. Structures of the existing NATO communications network (taken as an example of military networks) and the evolving Integrated Services Digital Network (ISDN) are reviewed to show how they meet the requirements postulated.

It is concluded that speech coding at low-bit rates is a growing need for transmitting speech messages with a high level of security and reliability over low data-rate channels and for memory-efficient systems for voice storage, voice response, and voice mail etc. Furthermore it is pointed out that the low-bit rate voice coding can ease the transition to shared channels for voice and data and can readily adopt voice messages for packet switching.

The speech processing techiques and systems are then outlined as an introduction to the lectures of this series in terms of:
  • The character of the speech signal, its generation and perception

  • speech coding which is mainly concerned with man-to-man voice communication

  • speech synthesis which deals with machine-to-man communication

  • speech recognation which is related to man-to-machine communication

  • quality assessment of speech system and standards


Speech Recognition Speech Signal Vocal Tract Asynchronous Transfer Mode Speaker Recognition 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • A. Nejat Ince
    • 1
  1. 1.Istanbul Technical UniversityIstanbulTurkey

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