Speech Technologies for Language Therapy

Speech Technologies for Language Therapy

Ingrid Kirschning (University de las Americas, Mexico) and Ronald Cole (University of Colorado, USA)
DOI: 10.4018/978-1-59904-132-2.ch014
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Abstract

This chapter presents the development and use of speech technologies in language therapy for children with hearing disabilities. It describes the challenges that must be addressed to design and construct a system to support effective interactions. The chapter begins with an introduction to speech and language therapy and discusses how speech-based systems can provide useful tools for speech and language therapy and to overcome the lack of sufficient human resources to help all children who require it. Then it describes the construction of adequate speech recognition systems for children, using artificial neural networks and hidden Markov models. Next, a case study is presented with the system we have been developing for speech and language therapy for children in a special education school. The chapter concludes with an analysis of the obtained results and the lessons learned from our experiences that will hopefully inform and encourage other researchers, developers, and educators to develop learning tools for individuals with disabilities.

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Table of Contents
Foreword
Tomohiko Taniguchi
Acknowledgments
Hector Perez-Meana
Chapter 1
Hector Perez-Meana, Mariko Nakano-Miyatake
The development of very efficient digital signal processors has allowed the implementation of high performance signal processing algorithms to solve... Sample PDF
Introduction to Audio and Speech Signal Processing
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Chapter 2
Gordana Jovanovic Dolecek, Alfonso Fernandez-Vazquez
This chapter introduces several digital filters useful for sound generation and transformation as well as for production of audio effects. It also... Sample PDF
Digital Filters for Digital Audio Effects
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Chapter 3
Paulo A.A. Esquef, Luiz W.P. Biscainho
This chapter reviews audio signal processing techniques related to sound generation via additive synthesis. Particular focus will be put on... Sample PDF
Spectral-Based Analysis and Synthesis of Audio Signals
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Chapter 4
Paulo A.A. Esquef, Luiz W.P. Biscainho
This chapter addresses digital signal processing techniques for sound restoration and enhancement. The most common sound degradations found in audio... Sample PDF
DSP Techniques for Sound Enhancement of Old Recordings
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Chapter 5
Aparna Gurijala, John R. Deller Jr.
The main objective of this chapter is to provide an overview of existing speech and audio watermarking technology and to demonstrate the importance... Sample PDF
Digital Watermarking Techniques for Audio and Speech Signals
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Chapter 6
Ronghui Tu, Jiying Zhao
In this chapter, we will introduce digital watermarking systems and quality evaluation algorithms for audio and speech signals. Originally designed... Sample PDF
Audio and Speech Watermarking and Quality Evaluation
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Chapter 7
Sergio L. Netto, Luiz W.P. Biscainho
This chapter focuses on the main aspects of adaptive signal processing. The basic concepts are introduced in a simple framework, and its main... Sample PDF
Adaptive Filters: Structures, Algorithms, and Applications
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Chapter 8
Mohammad Reza Asharif, Rui Chen
In this chapter, we shall study adaptive digital filtering (ADF) and its application to acoustic echo canceling (AEC). At first, Wiener filtering... Sample PDF
Adaptive Digital Filtering and Its Algorithms for Acoustic Echo Canceling
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Chapter 9
Hector Perez-Meana, Mariko Nakano-Miyatake
Some of the main problems present in active noise cancellations are the feedback distortion due to the acoustic feedback between the cancellation... Sample PDF
Active Noise Canceling: Structures and Adaption Algorithms
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Chapter 10
Manjunath Ramachandra Iyer
Speaker authentication has become increasingly important. It goes with the other forms of security checks such as user login and personal... Sample PDF
Differentially Fed Artificial Neural Networks for Speech Signal Prediction
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Chapter 11
Sergio Suárez-Guerra, Jose Luis Oropeza-Rodriguez
This chapter presents the state-of-the-art automatic speech recognition (ASR) technology, which is a very successful technology in the computer... Sample PDF
Introduction to Speech Recognition
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Chapter 12
Jose Luis Oropeza-Rodriguez, Sergio Suárez-Guerra
During the last 30 years, people have tried to communicate in an oral form with the computers, developing for this end an important amount of... Sample PDF
Advanced Techniques in Speech Recognition
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Chapter 13
Speaker Recognition  (pages 371-407)
Shung-Yung Lung
This chapter presents some of the main contributions in several topics of speaker recognition since 1978. Representative books and surveys on... Sample PDF
Speaker Recognition
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Chapter 14
Ingrid Kirschning, Ronald Cole
This chapter presents the development and use of speech technologies in language therapy for children with hearing disabilities. It describes the... Sample PDF
Speech Technologies for Language Therapy
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About the Authors