Voice as Sound: Using Non-verbal
Voice Input for Interactive Control
Traditional speech
recognition interfaces are based on an indirect, conversational model. First the user gives a direction and then the system performs certain operation. Our goal is to achieve more direct, immediate interaction like using a button or joystick by using lower-level features of voice such as pitch and volume. We are developing several prototype interaction techniques based on this idea, such as “control by continuous voice”, “rate-based parameter control by pitch,” and “discrete parameter control by tonguing.”
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