Are noise levels commonly associated with suicide? If the noise levels around you are those of a bike, a dog, or music, then that's far from loud. In contrast, have you ever visited a construction site? When you say that one of the things you've tried to stifle the noise is earmuffs, I wonder about the way you're approaching this problem. There exist so many noise-cancelling solutions out there, yet you choose to go…
Don't belittle a problem that you don't suffer, it is absolutely real, and yes, drives people to suicide. A similar problem is tinnitus -- not being able to stop noise is crippling and devastating. It's like belittling someone with arthritis, "hey, that's not really that heavy to lift, what's your problem, are you even trying ?"
Coping mechanisms are useful. In my experience, self-pity is a symptom of other maladaptive patterns. However, people are free to pick their poison, so for future reference, the OP can solicit only supportive comments by explicitly stating that comments like mine are unwelcome. Hope that helps.