Gyrophone: Recognizing Speech From Gyroscope Signals

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Format: Webcast
In this webcast, the presenters will show that the gyroscopes found on most Smartphones are sensitive to measure acoustic signals in the vicinity of the phone. Since iOS and Android require no special permissions to access the gyro, their research shows that apps and active websites that cannot access the microphone can nevertheless eavesdrop on speech in the vicinity of the phone.
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