Abstract: Based on the Berktay's farfield solution, various preprocessing methods were proposed to reduce the distortion of the highly directional audible signal in the parametric loudspeaker. However ...

Abstract: The parametric array loudspeaker (PAL) is well known for its ability to radiate a narrow sound beam from a relatively small ultrasonic emitter. Nonlinear distortions commonly occur in the ...

A plane crashed in Brazil, revealing a shocking discovery. Authorities found approximately 200 kg of cocaine concealed in SpaceX-labeled packaging. The Australian pilot, Timothy J. Clark, was found ...

The Texas Hill Country is known for its scenic beauty, unique geological features and being home to a crucial water source for aquifers. Yet, for many residents, that sense of pride has recently been ...

The Barnstable County Technical Rescue Team, searched for hours with rescue workers from Brewster, Harwich and surrounding towns on Sunday. Sept. 14, before successfully locating an 80-year-old woman ...