Gap Fill - Audio Enclaves - Level 6

HOW TO PLAY:

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  • After this paragraph, go to Paragraph 2.

   art      aural      centuries      individuals      innovation      obstacles      team      technology      waves      way   

Paragraph 1

The in which we listen to music and hear sounds has changed over the . Today, we have state-of-the-, noise-cancelling ear buds that provide the highest quality experience. In the near future, we will be able to listen to music in public without headphones. New is being tested that can aim beams of sound at , without people next to them hearing. This means we could be having private conversations in public without others listening in. A of researchers at Penn State University in the USA developed an called "audio enclaves". The ultrasound used for these enclaves cannot be heard en route to the recipient. In addition, the waves can be bent to get around .

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