What is a Mute Controller?
A Mute Controller is a shape that enables you to turn ON or OFF the volume during shows. The Mute Controller is available on the slide to enable you to interact with it during shows. The Mute Controller shape should have the Value property. The Check Box, Option Button and Toggle Button controls are among the controls included with Microsoft PowerPoint that can serve as Mute Controller. These controls are available from the Control Toolbox, which can be made visible by selecting View | Toolbars | Control Toolbox.