Invention Grant
US09516466B2 Establishing presence by identifying audio sample and position 有权
通过识别音频样本和位置来建立存在

Establishing presence by identifying audio sample and position
Abstract:
Systems and methods to capture, in a first device, a sample of audio data streaming from a server, transmit the sample to the server, and receive, in the first device, access to a secure service provided by the server when the server verifies that the first device is at a location of the audio based on the sample.
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