Abstract: Sparse arrays designed based on fourth-order difference co-array (DCA) can achieve significantly higher uniform degrees-of-freedom (uDOFs). However, most existing fourth-order sparse arrays ...

The Trump administration is trying an array of unconventional measures to shore up U.S. rare earths supplies. It remains uncertain whether the strategy will work. By Ana Swanson Ana Swanson, who ...

Abstract: As part of the development of an ambisonic microphone array, it is of interest to determine the spatial accuracy required to capture and reproduce a sound field over headphones. A 7th order ...