Having too many sound in one scene will increase your scene's load time.

Having too many sounds may slow down performance. 

Recommended number of sounds for fastest performance

Desktop & VR:

• 3 or fewer for fastest performance 
• 4-5 maximum

Mobile 3D:

• 1 maximum for low-end devices 
• 1-2 maximum for mid to high range devices

AR:

• 0; sounds are not supported in AR.

The overall performance of your BRIO scenes depends on setting constraints for all factors in your scene. View the full Performance Guide Overview for more details.