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Instant Audio Processing with Web Audio
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Instant Audio Processing with Web Audio
Copyright © 2013 Packt Publishing
All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.
Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.
Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.
First published: August 2013
Production Reference: 1220813
Published by Packt Publishing Ltd.
Livery Place
35 Livery Street
Birmingham B3 2PB, UK.
ISBN 978-1-78216-879-9
www.packtpub.com
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Author
Chris Khoo
Reviewer
Alex Libby
Acquisition Editor
James Jones
Commissioning Editor
Harsha Bharwani
Technical Editor
Veena Pagare
Project Coordinator
Suraj Bisht
Proofreader
Joanna McMahon
Graphics
Abhinash Sahu
Production Coordinator
Nitesh Thakur
Cover Work
Nitesh Thakur
Cover Image
Sheetal Aute
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Chris Khoo has been an avid programmer since his first encounter with the personal computer in the 80s. Since then, he's evolved from a nerdy hobbyist programmer into a full-fledged software developer with over 15 years of industry experience in developing games at companies including Microsoft, Disney, Electronic Arts, and Nexon. To date, he has shipped over a dozen console, mobile, and online games including the FIFA series, the SSX series, Def Jam: FFNY, Tom and Jerry Online, and Hyper Grav. His unique combination of AAA console game programming experience and web development experience makes him uniquely qualified to pen a practical study of implementing audio using the Web Audio API.
Chris presently resides in Vancouver, BC, with his wife and two children. He is the founder and primary developer at Wappworks Studio, a 3-man indie game studio dedicated to online and mobile web games. When he's not busy at work, Chris enjoys playing board games and helping out with praise and worship at his local church.
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Alex Libby's background is in IT support—he has been involved in supporting end users for the last 15 years in a variety of different environments, and currently works as a Technical Analyst, supporting a medium-sized SharePoint estate for an international distributor based in the UK. Although Alex gets to play with different technologies in his day job, his true love has always been the Open Source movement, and in particular, experimenting with jQuery, CSS3, and HTML5. To date, Alex has written several books for Packt, including ones on HTML5 technologies and others on jQuery tools. In his free time, Alex enjoys helping out at the local amateur theatre. He also enjoys cycling and photography.
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Web Audio is a new audio API proposed by World Wide Web Consortium (W3C) to address the shortcomings of the existing HTML5 Audio API. This new API allows developers to perform advanced real-time audio processing/mixing that is just not possible with current standards.
In this book, we'll explore Web Audio's audio processing functionality through a series of recipes. We'll also apply our learning towards building an audio system. By the end of the book, we will have a clear grasp of the Web Audio API, its design philosophy, and how to utilize it to put together a plethora of audio effects.
Web Audio is a fairly new API. As a result, many browsers do not yet support it. The list of web browsers which currently support it is a short one; they are Chrome for PC and Mac (v10 or higher), and Safari for PC and Mac (v6 or higher).Firef...
