Inaudible frequencies used to trigger smartphone content
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Regular readers of Springwise may remember Shopkick, the free app that uses inaudible frequencies to reward consumers for checking into stores. Using similar technology, SonicNotify now aims to expand the concept to allow television, sports and music fans to benefit from extra content on their smartphone as well. The company is offering three products – Sonic Live, Sonic Goods and Sonic Cast. Sonic Live seeks to improve interaction at live events via an inaudible, coded frequency played over a PA system or using SonicNotify's specially-developed 'beacon' devices. Although inaudible to the human ear, smartphones in range will be able to…
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