Speaking of force field sounds, the fadeout is great but it does fail in one case : Robotics Masterminds.
The Protector Bot is re-casting the force fields so often that the sound keeps renewing every time, and I end up having to listen to the noise for half of my mission anyway.....

Maybe we can make it so that the individual-use FF's make no sound at all, and only the area toggles like Dispersion make the initial sound, fading out.