Why the 3d sound of my object stays the same in bge? I created a river and decided to put a sound to that river,but the sound stays the same,no matter how far or how near I am going to the river.I used 3d sound option in game logic in blender game and I did the properties as I saw in a clip on YouTube,but nothing has changed.How can I fix that problem?
In the sound actuator set: minimun gain to 0.0, maximun gain to 1.0 and maximun distance to ~50 (estimate from the image provided), i dont know the scales you are using but the camera appear to be at ~50 units from the sound position. The scales of your blend are weird so is dificult to say something near reallity.

Here is a .blend to demonstrate, just press P and then SPACE to move the camera.