Ever walk through a crowd with your headphones on, only to find your music drowned out by the uproar? A recent Apple patent proposes dynamic volume adjustment based on your local surroundings. According to the filing, a sound sensor would be used to detect ambient noise and adapt accordingly. It says user volume controls are accounted for, so passing by a construction site likely won't cause your jams to be pumped up to an ear-shattering 11. Although it sounds more likely than some of the company's