Chapter 24: Adding Sound

Understanding Sound

Sound Sources

Sound-Source Control

Sound Emitters

Sound-Emitter Priorities

Sound Spatialization

The AudioClip Node Syntax

The MovieTexture Node Syntax

The Sound Node Syntax

Experimenting with Sound

Creating Emitter Markers

Figure 24.1


A set of emitter markers indicating the emitter's location, minimum-range ellipsoid, and maximum-range ellipsoid.

Creating an Ambient Sound

Figure 24.2


A world with ambient sound and a set of emitter markers.

Triggering a Sound

Figure 24.3


A world with sound triggered by touching a set of emitter markers.

Changing the Pitch of a Sound

Figure 24.4


Four keys on a virtual keyboard.

Animating Sound Location

Figure 24.5


Two ambient sounds circling the origin.

Controlling Sound Direction

Figure 24.6


An ambient sound aimed to the right.

Using MPEG Sound Sources

Figure 24.7


A virtual TV.

Summary