‘Encounter’ with sound science at the Curran Normally, we go to the theater partly to get away from being on our headphones. [...] at Complicite’s “The Encounter,” playing this week and next at the Curran, audience members must don a pair. McBurney, who co-directs with Kirsty Housley, adapted “The Encounter” from the book “Amazon Beaming” by Petru Popescu. “The Encounter”: 7 p.m.