Fraunhofer Demonstrates Consumer-Friendly 3D Soundbar Concept (Las Vegas, Nevada--April 7, 2014) At the 2014 NAB Show Fraunhofer IIS is demonstrating its new TV audio system’s interactivity by presenting excerpts from field tests at live broadcast events. Fraunhofer’s Interactive 3D Audio System for TV allows viewers to personalize sound broadcasts to suit their personal preference. With a click of the remote, viewers can boost otherwise hard-to-understand dialogue or create a “home team” mix of sports broadcasts.