Onboard digital sound has done amazing things for railway modelling. Properly programmed, today’s DCC decoders redefine how we operate our locomotives and engage with our trains.
But the sounds our locomotives generate also highlight how much audio we’re missing in our layout rooms. There’s a whole world of important audio cues beyond our steam engines, diesels, and/or interurbans.
I call it environmental audio, and it performs the same function for our ears as a backdrop does for our eyes. Done well, it helps frame the layout – without distracting from the trains, which are the main event. (That qualifier is important: Just as we don’t want visitors ignoring our trains to admire our backdrop, we don’t want the environmental audio to call attention to itself.)
As creators, we must be cognizant of what adds to the experience versus what detracts from it. That’s a tricky path to negotiate, but I’ve installed environmental audio on two layouts now – Bydemill and Port Rowan – and based on visitor reaction to both I’ve been successful.
I encourage others to do the same for their model railways – and to help, I’ve written a feature that explains what works, what doesn’t, the software and hardware required to create a custom environmental audio soundtrack, and how to implement it on a layout.
You’ll find that article in the August, 2026 issue of Railroad Model Craftsman magazine.
The Model Railway Show 