POCATELLO, Idaho--(BUSINESS WIRE)--AMI Semiconductor (NASDAQ:AMIS), a designer and manufacturer of state-of-the-art mixed-signal and digital products for the automotive, medical, industrial, and military/aerospace sectors, announced today that Two Pi Signal Processing Applications GmbH (Two Pi), a specialized provider of advanced software solutions addressing hearing loss and communications in noisy environments, has selected the Ezairo 5900 series of integrated circuits and packaged hybrids to further develop its suite of sound processing algorithms for hearing aid devices.