VOICE
COMMUNICATION
BETWEEN
HUMANS
AND
MACHINES
National Academy of Sciences
National Academy Press
Washington D.C. 1994
Page ii
NATIONAL ACADEMY PRESS * 2101 Constitution Avenue, N.W. * Washington, D.C. 20418
This volume is based on the National Academy of Sciences' Colloquium on Human-Machine Communication by Voice. The articles appearing in these pages were contributed by speakers at the colloquium and have not been independently reviewed. Any opinions, findings, conclusions, or recommendations expressed in this volume are those of the authors and do not necessarily reflect the views of the National Academy of Sciences.
The National Academy of Sciences is a private, nonprofit, self-perpetuating society of distinguished scholars engaged in scientific and engineering research, dedicated to the furtherance of science and technology and to their use for the general welfare. Upon the authority of the charter granted to it by the Congress in 1863, the Academy has a mandate that requires it to advise the federal government on scientific and technical matters. Dr. Bruce M. Alberts is president of the National Academy of Sciences.
Library of Congress Cataloging-in-Publication Data
Voice communication between humans and machines / David B. Roe and Jay G. Wil pon, editors.
p. cm.
Based on a colloquium sponsored by the National Academy of Sciences.
Includes bibliographical references and index.
ISBN 0-309-04988-1
1. Automatic speech recognition. 2. Man-machine systems.
I. National Academy of Sciences (U.S.)
TK7882.S65V62 1994
006.4'54dc20
94-29114
CIP
Copyright 1994 by the National Academy of Sciences. All rights reserved.
Printed in the United States of America
Page iii
Acknowledgments
The editors would like to thank the many authors who contributed to this book. Without their insights and hard work this book would not have been possible. We also thank Lawrence Rabiner, who inspired and helped organize the NAS-sponsored Colloquium on Human/Machine Communication by Voice. The efforts of Irene Morrongiello, who was instrumental in coordinating every aspect of the manuscript, and Martina Sharp, who made formatting changes to keep the style similar between the diverse contributions of the authors, are gratefully appreciated.
We wish to thank many anonymous reviewers who made generous comments on the chapters.
Finally, this book would not have been possible without the support of our wives, Carol Roe and Sandy Wilpon.
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Page v
Contents
Dedication | |
Voice Communication Between Humans and Machines An Introduction | |
SCIENTIFIC BASES OF HUMAN-MACHINE COMMUNICATION BY VOICE | |
Scientific Bases of Human-Machine Communication by Voice | |
The Role of Voice in Human-Machine Communication | |
Speech CommunicationAn Overview |
Page vi
SPEECH SYNTHESIS TECHNOLOGY | |
Computer Speech Synthesis: Its Status and Prospects | |
Models of Speech Synthesis | |
Linguistic Aspects of Speech Synthesis | |
SPEECH RECOGNITION TECHNOLOGY | |
Speech Recognition Technology: A Critique | |
State of the Art in Continuous Speech Recognition | |
Training and Search Methods for Speech Recognition | |
NATURAL LANGUAGE UNDERSTANDING TECHNOLOGY | |
The Roles of Language Processing in a Spoken Language Interface | |
Models of Natural Language Understanding | |
Integration of Speech with Natural Language Understanding | |
APPLICATIONS OF VOICE-PROCESSING TECHNOLOGY I | |
A Perspective on Early Commercial Applications of Voice-Processing Technology for Telecommunications and Aids for the Handicapped |
Page vii
Applications of Voice-Processing Technology in Telecommunications | |
Speech Processing for Physical and Sensory Disabilities | |
APPLICATIONS OF VOICE-PROCESSING TECHNOLOGY II | |
Commercial Applications of Speech Interface Technology: An Industry at the Threshold | |
Military and Government Applications of Human-Machine Communication by Voice | |
TECHNOLOGY DEPLOYMENT | |
Deployment of Human-Machine Dialogue Systems | |
What Does Voice-Processing Technology Support Today? | |
User Interfaces for Voice Applications | |
TECHNOLOGY IN 2001 | |
Speech Technology in the Year 2001 | |
Toward the Ultimate Synthesis/Recognition System | |
Speech Technology in 2001: New Research Directions |
Page ix
VOICE
COMMUNICATION
BETWEEN
HUMANS
AND
MACHINES