Voice Application Development for Android. A practical guide to develop advanced and exciting voice applications for Android using open source softwar

Voice Application Development for Android. A practical guide to develop advanced and exciting voice applications for Android using open source softwar - Opis

Speech technology has been around for some time now. However, it has only more recently captured the imagination of the general public with the advent of personal assistants on mobile devices that you can talk to in your own language. The potential of voice apps is huge as a novel and natural way to use mobile devices.Voice Application Development for Android is a practical, hands-on guide that provides you with a series of clear, step-by-step examples which will help you to build on the basic technologies and create more advanced and more engaging applications. With this book, you will learn how to create useful voice apps that you can deploy on your own Android device in no time at all.This book introduces you to the technologies behind voice application development in a clear and intuitive way. You will learn how to use open source software to develop apps that talk and that recognize your speech. Building on this, you will progress to developing more complex apps that can perform useful tasks, and you will learn how to develop a simple voice-based personal assistant that you can customize to suit your own needs.For more interesting information about the book, visit https://lsi.ugr.es/zoraida/androidspeechbook Spis treści:
Voice Application Development for Android
Table of Contents
Voice Application Development for Android
Credits
Foreword
About the Authors
Acknowledgement
About the Reviewers
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Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Downloading the example code
Web page for the book
Errata
Piracy
Questions
1. Speech on Android Devices
Using speech on an Android device
Speech-to-text
Text-to-speech
Voice Search
Android Voice Actions
Virtual Personal Assistants
Designing and developing a speech app
Why Google speech?
What is needed to create a Virtual Personal Assistant?
Summary
2. Text-to-Speech Synthesis
Introducing text-to-speech synthesis
The technology of text-to-speech synthesis
Using pre-recorded speech instead of TTS
Using Google text-to-speech synthesis
Starting the TTS engine
Developing applications with Google TTS
TTSWithLib app Reading user input
TTSReadFile app Reading a file out loud
Summary
3. Speech Recognition
The technology of speech recognition
Using Google speech recognition
Developing applications with the Google speech recognition API
ASRWithIntent app
ASRWithLib app
Summary
4. Simple Voice Interactions
Voice interactions
VoiceSearch app
VoiceLaunch app
VoiceSearchConfirmation app
Summary
5. Form-filling Dialogs
Form-filling dialogs
Implementing form-filling dialogs
Threading
XMLLib
FormFillLib
VXMLParser
DialogInterpreter
MusicBrain app
Summary
6. Grammars for Dialog
Grammars for speech recognition and natural language understanding
NLU with hand-crafted grammars
Statistical NLU
NLULib
Processing XML grammars
Processing statistical grammars
The GrammarTest app
Summary
7. Multilingual and Multimodal Dialogs
Multilinguality
Multimodality
Summary
8. Dialogs with Virtual Personal Assistants
The technology of VPA
Determining the users intention
Making an appropriate response
Pandorabots
AIML
Using oob tag to add additional functions
The VPALib library
Creating a Pandorabot
Sample VPAs Jack, Derek, and Stacy
Alternative approaches
Summary
9. Taking it Further
Developing a more advanced Virtual Personal Assistant
Summary
A. Afterword
Index mniej