Apple Teaching Siri Lip Reading

Apple has filed a patent application that describes using motion sensing to detect lip and head movements so Siri could recognize commands without relying only on a microphone. The filing, titled "Keyword Detection Using Motion Sensing," explains how analyzing mouth shapes and subtle head motions might identify common phrases, which could help the assistant work better in noisy environments or avoid false activations from background speech.

The application suggests using existing motion sensors such as accelerometers and gyroscopes in phones and wearables to pick up these movements. Apple frames the idea as a complement to, not a replacement for, audio-based recognition: microphones could remain inactive until a detected motion pattern indicates a command, saving battery and processing power. As a patent application, it describes a concept rather than a guaranteed future product.

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