We present a wearable interface that allows a user to silently converse with a computing device without any voice or any discernible movements, thereby enabling the user to communicate with devices, AI assistants, applications, or other people in a silent, concealed, and seamless manner. A user's internal speech is characterized by neuromuscular signals in internal speech articulators that are captured by the AlterEgo system to reconstruct this speech. We use this to facilitate a natural language user interface, where users can silently communicate in natural language and receive aural output (e.g., bone conduction headphones), thereby enabling a discreet, bi-directional interface with a computing device, and providing a seamless form of intelligence augmentation.
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