O'Reilly logo

Unity 4.x Cookbook by Matt Smith, Chico Queiroz

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Matching audio pitch to animation speed

Many artifacts sound higher in pitch when accelerated and lower when slowed down. Car engines, fan coolers, a Vinyl record player... the list goes on. If you want to simulate this kind of sound effect in an animated object that can have its speed changed dynamically, follow this recipe.

Getting ready

For this recipe, you'll need an animated 3D object and an audio clip. Please use the carousel.fbx and carouselSound.wav files, available in the 0423_06_01 folder.

How to do it...

To change the pitch of an audio clip according to the speed of an animated object, please follow these steps:

  1. Import the carousel.fbx file into your Unity project.
  2. Select the carousel.fbx file in the Project view. Then, in the Inspector

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required