Interaction with a computing device often causes the device to emit light, e.g., when the interaction causes a turned-off device screen to turn on, or audio, e.g., when the interaction causes an audible beep or other output from the device. Such light or audio emissions are undesirable in certain situations, e.g., when extending a sleep timer. This disclosure provides a voice-free gesture-based sleep timer control that enables extending a sleep timer without light or sound emissions from a device that is performing audio playback. The described techniques can also be used to detect user gestures that are mapped to specific tasks to be performed by the device.
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Frömmgen, Alexander; Weissenberger, Felix; Kmieciak, Miłosz; and Prisacari, Bogdan, "Display and Voice-free Gesture-based Sleep Timer Control", Technical Disclosure Commons, (November 16, 2020)