Apple's patent application for "Keyword Detection Using Motion Sensing," aims to enhance Siri's responsiveness and efficiency with head and hand gestures.
Future Apple devices may be able to use motion detection to read lips, and so trigger Siri without needing a microphone to constantly listen out for commands.
Future Apple devices may be able to use motion detection to read lips, and so trigger Siri without needing a microphone to constantly listen out for commands.