Gun Shot Loudness

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LopezEL

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Jan 21, 2008
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When you read reviews about suppressors there is almost always a disclaimer about the "loudness" or db rating in a given atmosphere. For example, a certain elevation, humidity, temperature.

I've noticed here in SC when it starts getting colder, like this week, that gun shots in general start sounding a bit louder. This is both suppressed and un-supressed with the same host(s) and ammo. Am I completely off base here? What is the general rule of thumb? What variable has the biggest effect on how loud a gun shot sounds? I understand that a supersonic projectile will be louder than a subsonic but that is merely a speed thing.

What is generally louder a bullet at sea level or much higher elevation?
What is generally louder a bullet shot at 30 degrees Fahrenheit or 100?
Etc.
 
Air is denser in cold weather; however, sound travels faster as the temp rises. That's not what I was taught in h.s., but that seems to be the way it is.
 
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