Coming soon to a convention near you: Sound like it has never (or at least, rarely) been heard before. As politicians at the Republican National Convention use microphones to make themselves heard from the podium, other sounds in and around the event will be emitted in cutting-edge audio technology. Outside the convention hall, New York City police plan to control protesters using a device that directs sound for up to 1,500 feet in a spotlight-like beam. Meanwhile, a display of former Republican presidents inside the hall will feature campaign speeches that are funneled to listeners through highly focused audio beams. "These are totally different from the way an ordinary speaker emits sound," said Elwood (Woody) Norris, founder and head of American Technology Corp. of San Diego. "It's like it's inside your head." [more
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