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Introduction to Digital Speech Processing
Foundations and Trends® in
Signal Processing
Volume 1 Issue 1–2
DOI: 10.1561/2000000001
Introduction to Digital Speech Processing
Lawrence R. Rabiner
Rutgers University and University of California, Santa Barbara, USA, rabiner@ece.ucsb.edu
Ronald W. Schafer
Hewlett-Packard Laboratories, Palo Alto, CA, USA
SUGGESTED CITATION:
Lawrence R.
Rabiner
and
Ronald W.
Schafer
(2007)
"Introduction to Digital Speech Processing",
Foundations and Trends® in Signal Processing: Vol. 1: No 1–2, pp 1-194.
http:/dx.doi.org/10.1561/2000000001
Abstract
Since even before the time of Alexander Graham Bell’s revolutionary invention, engineers and scientists have studied the phenomenon
of speech communication with an eye on creating more efficient and effective systems of human-to-human and human-to-machine
communication. Starting in the 1960s, digital signal processing (DSP), assumed a central role in speech studies, and today
DSP is the key to realizing the fruits of the knowledge that has been gained through decades of research. Concomitant advances
in integrated circuit technology and computer architecture have aligned to create a technological environment with virtually
limitless opportunities for innovation in speech communication applications. In this text, we highlight the central role of
DSP techniques in modern speech communication research and applications. We present a comprehensive overview of digital speech
processing that ranges from the basic nature of the speech signal, through a variety of methods of representing speech in
digital form, to applications in voice communication and automatic synthesis and recognition of speech. The breadth of this
subject does not allow us to discuss any aspect of speech processing to great depth; hence our goal is to provide a useful
introduction to the wide range of important concepts that comprise the field of digital speech processing. A more comprehensive
treatment will appear in the forthcoming book, Theory and Application of Digital Speech Processing [1].
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