4.0

This action can be used with any other action.
unMute Sound Effects
This action unmutes the system sounds. By default, the system sounds are audible, so you would only use
this action if you have also used the Mute Sound Effects action.
There are no properties to edit for this action.
This action can be used with any other action.
System actions
System actions are used with the Advanced Parameter (APRM) feature available in DoStudio Authoring.
The actions affect the values assigned to APRMs during playback of your Blu-ray Disc. These actions are
intended for use by advanced authors. For more information, see "Advanced authoring" on page 129.
Set Advanced Parameter
In another example, you may wish to set up a YES/NO scenario to track whether your viewer has watched a
specific video clip on your disc. In that you would assign the Set Advanced Parameter action to something
like the start of your first title to set the initial value to NO then assign the Set Advanced Parameter action to
the end of the desired chapter with a value of YES.
Property Description
APRM Select which APRM to assign the action to.
Value Enter the value you wish to assign to the APRM.
This action can be used with any other action.
Set General Purpose Register
This action will set a GPRM value that can be read via HDMV navigation commands in a movie object.
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