Audio Attribute
Audio Attribute
In the Audio attribute, specify which sounds the particle system emits and when.
![[Audio attributes in the Particle Editor.]](http://docs.aws.amazon.com/lumberyard/latest/userguide/images/particles/particle-editor-audio.png)
Audio Attribute Parameters for CPU Emitters
| Name | Description |
|---|---|
| Start Trigger | Selects the start trigger sound asset to play with the emitter. |
| Stop Trigger | Selects the stop trigger sound asset to play with the emitter. |
| Sound FXParam | Applies the modulate value to the sound. The effect depends on how you define the particlefx parameter for the individual sound. Depending on the sound, this value might affect volume, pitch, or other attributes. You can set a Random value and Strength Over Emitter Lifetime curve. Valid values: 0+Default value: 1 |
| Sound Control Time | [See the AWS documentation website for more details] |