Controlling the volume with script only

How can i control the volume of my game using only python script. No actuator involve

When we create a sound with the factory I think we can keep a reference to it, and adjust it later on the fly using the stored original reference (I have not tried)

if the upbge team starts to figures out that newcomers/newbies cannot read the python API documentation , maybe we wouldn’t have to answer those same questions forever …

@Dark_Ice I recommend you to have a look on this restored good old no pretentious manual

http://bgepython.tutorialsforblender3d.com/SoundActuator/LoopBidirectional/volume

import bge 
import aud
from bge import logic

scene = bge.logic.getCurrentScene()
cont = bge.logic.getCurrentController()
plr = cont.owner
step_sound = aud.Factory.file(bge.logic.expandPath("//sounds/steps/step1.ogg"))

son1 = plr.actuators['sound1']
son1.sound = step_sound
son1.volume = 0.8

Edit : Well, i see that you need to control whole game volume… Not sure, but maybe this is your OS business . In all cases, you can see above that you can use python to parameter your logic bricks. This is my favorite hybrid approach in BGE

I made this a while back for a friend.

import os, bge, aud

os.system("cls")
print("Blender Game Engine Started")

PATH_SFX = bge.logic.expandPath(str("//Audio/Voice.mp3"))
VAR_VOLUME = 0.1
    
def main(self):
    
    # Play sound + set volume
    SFX = aud.Device().play(aud.Sound(PATH_SFX).volume(VAR_VOLUME))
    # Loop sound
    SFX.loop_count = -1

Blend

UPBGE_03_AUD_Volume.zip (123.0 KB)

You can set the overall volume of the Device:

import bge
import aud
device = aud.Device()
device.volume = 1
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