I'm going to look further into this, and I have a video that I'm uploading, but I had a BR match last night that was plagued by the seemingly random and frequent 'pew pew' bug. Even when I spawned so far from everyone nobody came up in the first scan, I could still hear the gun firing like it was inside my cabin.
I noticed that it was coming from a player in an Anvil Hornet, and he seemed to be mono-boating one particular cannon. I don't recall what it was right now, but once the vid uploads I'm going to rewatch it and narrow it down and get more details.
1) I could hear the gun fire, very loudly, no matter where the player was.
2) I observed other players who weren't mono-boating that gun; they didn't create the bug.
3) I observed that the sound was only generated when the player fired. So it wasn't really random, but the way it was propogating the sound relative to distance seemed to be bugged.
Since I only experienced this once last night, I'm completely unsure if my observations are accurate or helpful. But I couldn't help but think, damn, when someone monoboats with that cannon, I wonder if there's a bug that's causing it to over-amplify the sound; maybe so much so that it's going up exponentially and maxing out dynamic range. Like.. say one should be Xdb loud, two should be X+Xdb loud, etc. But if it's squaring the value, or doing something else; it could be generating a value that's far beyond the max. So say the dynamic range is 0-100, 100 being the loudest. Maybe the bug is generating a value of 10000 so even if your halfway across the solar-system, the distance isn't even enough to bring that value down to 100. So no matter what or where, it's playing at the max 100.
Sorry, it's early for me. I'll post the vid and check out rsi's bug log to see how much of this has been addressed.
One thing's for certain, with how prevalent the 'pew pew' bug has been, they should change the sound a little bit.