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A comment on Beware of ads that use inaudible sound to link your phone, TV, tablet, and PC. Parent comment

Re:Beware of ads that use inaudible sound to link your phone... by kevin_thibedeau on Saturday November 14, 2015 @02:57PM (#10566987)
There is still the nuisance that the camera is activated for the torch mode and the autofocus hardware is audible on some phones.
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Re:Beware of ads that use inaudible sound to link your phone... by JohnTHaller on Monday November 16, 2015 @09:52AM (#10574700)
That's really more the fault of the phone manufacturer than of Android, though. Most likely, the camera firmware and binary blob driver aren't distinguishing the calls.
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