# What does Unity's “Speed of Sound”-option do?

I've been reading Unity's manual on the AudioManager's properties. Speed of Sound is the only undocumented option. What is it for?

• lol just based on the title I was like "...what does this have to do with game development" but I see this is actually a good question – jhocking Apr 23 '14 at 19:01
• Now that I think about it, it sure looks like if I were trolling a moderator: that sudden urge to press the flag stops when you read the body. lol – Fabián Apr 23 '14 at 21:39