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cellphone interference to iPod's volume

I put both my iPod nano and cellular phone (Nokia 6230) in my shirt pocket. I noticed on several occasions that if I received an SMS the volume of my iPod suddenly was turned down. Has anybody noticed this? I don't know whether this is by design (a feature?) or an accident (a bug). In one occasion I cannot control the volume after that (the respon was slow). So, I am assuming that this was not by design. I even affraid that this could harm my iPod in the future. Good thing the volume is turned down not up! Otherwise I would hurt my ears.

How does it work, anyway?
Why is it happening?
Can electromagnetic wave effect the volume of my iPod?

I want to know the physics (theory) behind it. Hints?

Comments

Anonymous said…
I have no idea, but mine turned UP. And I seriously hurt my ears. Thank god that volume control thing is coming out!
7:58 AM
Budi Rahardjo said…
I guess I should be glad that mine turned DOWN!
8:41 PM
Anonymous said…
I had the same issue...
i tried calling my own voice mail and waved my phone across the screen of my video....its like wireless controll..i sorta like it...
my liking it ,might have something to do with the fact that my ipod and cell phone are in two diff places...never together
1:17 AM
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