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Computing and Technology
New algorithm for real time voice camouflage
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[QUOTE="Oldman too, post: 6624100, member: 687673"] An interesting approach to those eavesdropping devices in your life. [URL]https://arxiv.org/pdf/2112.07076.pdf[/URL] ABSTRACT Automatic speech recognition systems have created exciting possibilities for applications, however they also enable opportunities for systematic eavesdropping. We propose a method to camouflage a person’s voice over-the-air from these systems without inconveniencing the conversation between people in the room. standard adversarial attacks are not effective in real-time streaming situations because the characteristics of the signal will have changed by the time the attack is executed. We introduce predictive attacks, which achieve real-time performance by forecasting the attack that will be the most effective in the future. Under real-time constraints, our method jams the established speech recognition system Deep- Speech 3.9x more than baselines as measured through word error rate, and 6.6x more as measured through character error rate. We furthermore demonstrate our approach is practically effective in realistic environments over physical distances. [/QUOTE]
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New algorithm for real time voice camouflage
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