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I wonder if there is a low-pass filter on Alexa's microphone? Triggering your Alexa with ultrasonic commands outside of normal human hearing would be even more
by zaroth 9y ago
I wonder if there is a low-pass filter on Alexa's microphone? Triggering your Alexa with ultrasonic commands outside of normal human hearing would be even more entertaining. Ads already embed ultrasonic chirps to some extent for tracking purposes.
- satysin 9y agoCheck out DolphinAttack Demo: https://www.youtube.com/watch?v=21HjF4A3WE4 https://www.youtube.com/watch?v=21HjF4A3WE4 Paper: https://arxiv.org/pdf/1708.09537.pdf https://arxiv.org/pdf/1708.09537.pdf
- einrealist 9y agoMaybe that's what They tried in Cuba? ;)
- fotcorn 9y agoPeople are doing exactly this: https://news.ycombinator.com/item?id=15199233 https://news.ycombinator.com/item?id=15199233