Pioneer Introduces $149 'Personal Sound Amplifier' for US Market

Pioneer introduced a portable hearing device to the U.S. market that uses digital signal processing (DSP) to improve clarity. The 0.67-ounce Nani "personal sound amplifier," helps improve audibility in conversations, TV audio and lectures, said the company. DSP is used to analyze sound collected by the Nani’s mics, optimizing vocal frequencies and suppressing unwanted background noise, it said.