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 http://lsi.ugr.es/zoraida/androidspeechbook

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Spis treści

Voice Application Development for Android. A practical guide to develop advanced and exciting voice applications for Android using open source software eBook -- spis treści

• Voice Application Development for Android
  • Table of Contents
  • Voice Application Development for Android
  • Credits
  • Foreword
  • About the Authors
  • Acknowledgement
  • About the Reviewers
  • www.PacktPub.com
    • Support files, eBooks, discount offers and more
      • Why Subscribe?
      • Free Access for Packt account holders
  • 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