This is the official technical manual. It explains the project structure, how to use the SCS FMOD template, and how the game engine communicates with sound events.
Since ETS2 uses FMOD, understanding the "Events," "Parameters" (like engine_rpm or exhaust_load ), and "Buses" within FMOD Studio is the actual science behind the mod. ETS2 Create sound mods
High-quality mods typically use 48kHz/24-bit samples to avoid artifacting when the game engine shifts the pitch up or down. Getting Started This is the official technical manual
The mod must "listen" to variables like throttle , turbo , and brake to trigger specific audio samples. understanding the "Events
Finding a formal academic "paper" on creating sound mods for Euro Truck Simulator 2 (ETS2) is tricky because most of the knowledge lives in developer documentation and community wikis rather than scientific journals.