Researchers have developed three designs for compact speaker systems that control the direction of sound more efficiently than previous models. For each speaker, the scientists were able to manipulate ...

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Following is a transcript of the video. Narrator: Whether you're on a plane, subway, or a crowded street, noise-cancelling headphones will drown out almost everything around you, bringing peace and ...

WASHINGTON, August 31, 2021 -- As electronic devices decrease in size, their component parts, like speakers, need to shrink as well. In JASA Express Letters, published by the Acoustical Society of ...