Book Image

Game Audio Development with Unity 5.X

By : Micheal Lanham
Book Image

Game Audio Development with Unity 5.X

By: Micheal Lanham

Overview of this book

Game Audio is one of the key components in making a game successful and it is quite popular in the gaming industry. So if you are a game developer with an eye on capturing the gamer market then this book is the right solution for you. In this book, we will take you through a step by step journey which will teach you to implement original and engaging soundtracks and SFX with Unity 5.x. You will be firstly introduced to the basics of game audio and sound development in Unity. After going through the core topics of audio development: audio sources, spatial sound, mixing, effects, and more; you will then have the option of delving deeper into more advanced topics like dynamic and adaptive audio. You will also learn to develop dynamic and adaptive audio using the Unity Audio Mixer. Further, you will learn how professional third party tools like FMOD are used for audio development in Unity. You will then go through the creation of sound visualization techniques and creating your own original music using the simple yet powerful audio workstation Reaper. Lastly, you will go through tips, techniques and strategies to help you optimize game audio performance or troubleshoot issues. At the end of the book, you’ll have gained the skills to implement professional sound and music. Along with a good base knowledge audio and music principles you can apply across a range of other game development tools.
Table of Contents (21 chapters)
Title Page
Credits
About the Author
About the Reviewer
Acknowledgments
www.PacktPub.com
Customer Feedback
Dedication
Foreword
Preface

Analyzing audio with Fast Fourier Transform (FFT) windows


Unity is inherently built with the capability to analyze a playing audio source and determining the various output frequency signal levels. While the mathematics behind this are quite advanced, understanding the theory and background of how this all works will only benefit us later when we build an audio visualizer. Therefore, we are going to cover the theory on how audio can be analyzed for visualization. Starting in the next section, we will look at what comprises an audio signal.

Audio spectrum

Fourier's theorem states that all signals are the sum of sines. This is another way of saying that all audio signals are comprised of component sound waves, called sine waves. Let's look at an example of this in the following diagram:

Two different frequency sine waves combined into a signal

The preceding diagram shows an example of two different frequency sound waves (sine waves) being combined into a single signal. Unfortunately, you still...