Abstract: Low power audio signals are amplified using a power amplifier before feeding to the loudspeaker for efficient reproduction of audio sounds. High frequency class-D amplifier is a preferred ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

Penn State football's coaching search saga came to an end on Monday, Dec. 8, when former Iowa State coach Matt Campbell was formally introduced as the next Nittany Lions' head coach. It was a ...

Abstract: An active control system for low-frequency road noise in automobiles combined with an audio system is developed as a commercial application for the first time in the world, and installed in ...