Add Yahoo as a preferred source to see more of our stories on Google. Jeremy Allen White and Paul Walter Hauser in "Springsteen: Deliver Me From Nowhere" (20th Century Studios) Boom mics, those big ...

Boom mics, those big puffballs at the end of a long pole, were once the most common method to record movie dialogue. Now small, wireless microphones are ubiquitous on film sets, and that's the domain ...