[Question/Bug] Playing a sound inside a bus decreases the volume compared to playing it directly.

[OriolCS2]

Hello,

I've been running into a problem while playing a sound inside a bus that is played inside another bus. Example:

Bus A --> It is the master
Bus B --> It is played inside Bus A

(Bus A and Bus B volumes and all sound volumes are set to 1.0F)

Now, if I play a sound inside Bus B, it will be played at a lower volume than if it were played from Bus A. Furthermore, if I set up a Bus C that is played inside Bus B and then play the same sound inside it, the volume will be even lower.

I would like to know if this is an expected behavior or if it’s a bug. And if it is expected, is it possible to turn off this behavior and prevent the volume from decreasing?

Thanks!

[GlaireDaggers]

I just encountered this, and found that the reason is because by default it sets up per-channel volumes for panning for the bus like any other audio source, resulting in a volume of ~0.7 for the bus (which compounds with more nested buses).

The workaround I've found is to call setPanAbsolute afterwards (for every bus instance):

const auto busAHandle = gAudio.play(busA);
const auto busBHandle = busA.play(busB);
gAudio.setPanAbsolute(busAHandle, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
gAudio.setPanAbsolute(busBHandle, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f);