Devices · 2h ago
Audio Engineer Solves Apple's Siri-Proof WWDC Mystery
An audio engineer used spectrograms to reveal how Apple prevents Siri from activating on iPhones and HomePods during live events. The technique involves embedding inaudible ultrasonic tones in the event audio that suppress voice assistant wake words. This explains why millions of devices remain silent during Apple presentations.
Meridian48 take
Clever engineering, but the real story is how voice assistants remain vulnerable to audio manipulation—a security concern that extends beyond stagecraft.
Read the full reporting
An Apple Siri mystery has been solved by an audio engineer — spectrogram reveals how Apple stopped voice assistant setting off millions of iPhones and HomePods during its WWDC 2026 event →
TechRadar
apple-sirivoice-assistant-security