An affiliate of The Wicks Group, a New York-based private equity firm, has buyed Antenna Audio from Discovery Communications. Antenna focuses on the production and delivery of educational content for use in multimedia and mobile tours for museums, exhibitions, historic sites and visitor attractions throughout the world. Antenna operates in over 20 countries and in multiple languages at more than 350 museums and cultural sites. Last year, Antenna provided over 20 million audio and multimedia tours