Hello!
In general, SuperTuxKart's sound effects are subpar because what is available under suitable licenses is limited (and not necessarily easy to find when it exists), and we currently don't have a contributor with the skills to create nicer ones. If you'd like to contribute some nicer sound effects, that could be very valuable.
SuperTuxKart already support fully custom per-kart engine and skidding sounds. You can check Pepper in game for custom skidding sounds.
As for engine sounds there are multiple addons making use of this capability, specifying it in the kart.xml file and shipping with the relevant .ogg file. For example:
In general, SuperTuxKart's sound effects are subpar because what is available under suitable licenses is limited (and not necessarily easy to find when it exists), and we currently don't have a contributor with the skills to create nicer ones. If you'd like to contribute some nicer sound effects, that could be very valuable.
SuperTuxKart already support fully custom per-kart engine and skidding sounds. You can check Pepper in game for custom skidding sounds.
As for engine sounds there are multiple addons making use of this capability, specifying it in the kart.xml file and shipping with the relevant .ogg file. For example:
Code:
<sounds engine="custom" file="bus.ogg" rolloff="0.3" max_dist="200" volume="1.1"/>