USound, a global developer and manufacturer of micro-electro-mechanical systems (MEMS) loudspeakers for personal devices and wearable technology, today announced that it has raised $30 million (€25 million) to move into mass production of its second generation MEMS loudspeakers for several global companies. The investment round was led by Austria’s leading venture capital firm, eQventure, with participation from venture capitalists Hermann Hauser (co-founder of ARM) and Longzhong Yang (co-fo...