If the background noise is loud enough, turning your iPod's volume dial to 100% won't change the fact that you can't hear the damn music. The problem wasn't your iPod in the first place, so no amount of tinkering with it is going to help the situation one bit. But you may end up using more of the battery, which will be really annoying when the noise finally ceases and your iPod shuts off right when you would have gotten the most enjoyment out of it.
Not sure why that tidbit pops to mind at the moment, hmm...
Not sure why that tidbit pops to mind at the moment, hmm...