Topic

Always-Listening Voice Activation

3 mentions in 1 episode

The technical capability of phones and watches to constantly monitor audio buffers listening for wake words like 'Hey Siri'.

Mentions

Oct 1, 2026

50:12
Hey Siri exists for years. It technically works in a very similar manner where it's always listening
51:10
It's constantly recording a couple seconds of audio analyzing that buffer for the wake word
52:17
How does it wake up? It is always recording a tiny bit of audio