speech-recognition   302

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SeanNaren/deepspeech.pytorch: Speech Recognition using DeepSpeech2.
GitHub is where people build software. More than 27 million people use GitHub to discover, fork, and contribute to over 80 million projects.
speech-recognition  pytorch  speech  audio  deep-learning 
yesterday by nharbour
speech-recognition/app.js at master · syzer/speech-recognition
GitHub is where people build software. More than 27 million people use GitHub to discover, fork, and contribute to over 80 million projects.
bullshit  bingo  machine-learning  deep-learning  node.js  webkit  speech  speech-recognition 
23 days ago by nharbour
'DolphinAttack: Inaudible Voice Commands' [pdf]
'Speech recognition (SR) systems such as Siri or Google Now have become an increasingly popular human-computer interaction method, and have turned various systems into voice controllable systems(VCS). Prior work on attacking VCS shows that the hidden voice commands that are incomprehensible to people can control the systems. Hidden voice commands, though hidden, are nonetheless audible. In this work, we design a completely inaudible attack, DolphinAttack, that modulates voice commands on ultrasonic carriers (e.g., f > 20 kHz) to achieve inaudibility. By leveraging the nonlinearity of the microphone circuits, the modulated low frequency audio commands can be successfully demodulated, recovered, and more importantly interpreted by the speech recognition systems. We validate DolphinAttack on popular speech recognition systems, including Siri, Google Now, Samsung S Voice, Huawei HiVoice, Cortana and Alexa. By injecting a sequence of inaudible voice commands, we show a few proof-of-concept attacks, which include activating Siri to initiate a FaceTime call on iPhone, activating Google Now to switch the phone to the airplane mode, and even manipulating the navigation system in an Audi automobile. We propose hardware and software defense solutions. We validate that it is feasible to detect DolphinAttack by classifying the audios using supported vector machine (SVM), and suggest to re-design voice controllable systems to be resilient to inaudible voice command attacks.'

via Zeynep (https://twitter.com/zeynep/status/956520320504123392)
alexa  siri  attacks  security  exploits  google-now  speech-recognition  speech  audio  acm  papers  cortana 
january 2018 by jm

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