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Dynamically change sound volume in runtime?

Hello first time I post a question here. Really like the Unreal Engine 4, easy to use and also fast to pick up new things. However I have one question regarding the sound volume in the game. Can you access the variables regarding the volume in runtime and change it in a blueprint? The picture is taken in a sound class.alt text

Product Version: UE 4.10
sound volume.png (114.0 kB)
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asked Jun 07 '16 at 10:39 PM in Blueprint Scripting

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A brand new feature in 4.12 is the ability to change a sound class volume (by way of a sound mix) by using the SetSoundMixSoundClassOverride BP function. This will add/modify a new sound class adjuster in an active sound mix. So the steps are:

  1. apply a sound mix (using PushSoundMixModifier)

  2. Use SetSoundMixSoundClassOverride to override the sound class adjustment in the sound mix for the sound class you want to modify in real-time. Note that you do not have to add the sound class to the sound mix in order to override it.

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answered Jun 08 '16 at 12:50 AM

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Minus_Kelvin STAFF
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avatar image NordicGamer Jun 08 '16 at 08:50 PM

Ah thanks a lot! Will uppgrade my project to 4.12 and see if I could get that to work.

avatar image samnater Oct 05 '16 at 11:09 AM

An additional note: the PushSoundMixModifier and SetSoundMixSoundClassOverride nodes need to be applied in your gamemode BP...at least that's the only place I could get them to work

avatar image me4dinosaur Oct 21 '16 at 05:07 PM

Samnater what about if you're running a dedicated server? The Game mode is not really accessible by the Local user.

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