Factorio Forums

I noticed that conveyor sound changes it's tone/volume over time, even when I stand in one place and no other sounds play, kinda annoying spikes in it's sound. It's underground conveyor and normal one somehow interfering with each other, and underground one by itself has little pause in sound loop. I was expecting it to stay consistent and same volume/tone all the time.

Thank you for the report. We checked the sound interaction of underground and regular belt and we consider it working as intended at the moment.
So it's somewhere between 'Won't fix' and 'Not a bug' with some 'Minor issue' sprinkled on top.