I keep on hearing the same noise?

Where ever I'm, I always hear the iphone camera sound effect, but nobody else hears it, I have an iphone, and I take alot of pictures, but even when I'm no where close to my phone, I hear the sound effect. Is there a reason for this? And how can I stop this, it is really annoying!

Haha poor Timmy bear! Go to your volume and turn the sound effect off and keep it there for a while and it will go away because it will just fade out of your system