How does Siri recognize me saying Hey Siri?

1. How does Siri know you said hey Siri?
2. Is Siri voice recognition accurate?
3. How does Siri know which device you're talking to?
4. Is Siri a real human voice?

How does Siri know you said hey Siri?

Apple says that Siri is not eavesdropping at all. Instead, the software's ability to respond to a voice command is programmed in. So, it's not really listening at all times. The iPhone can only hold a small amount of audio, and it only records what happens after it is triggered by the “Hey, Siri” command.

Is Siri voice recognition accurate?

Mean word recognition scores for participants with and without voice disorders were, respectively, 68.6% and 91.9% for Apple iPhone 6S™ (P < . 001), 71.2% and 93.7% for Apple iPhone 11 Pro™ (P < . 001), and 68.7% and 93.8% for Google Voice™ (P < . 001).

How does Siri know which device you're talking to?

Which device responds to ”Hey Siri” When you say ”Hey Siri” near multiple devices that support ”Hey Siri,” the devices use Bluetooth to quickly communicate with each other and determine which one should respond to the request. The device that responds is the one that heard you best or was recently raised or used.

Is Siri a real human voice?

While these days Apple uses fancy machine learning and computer speech to generate Siri's tone and inflection, back in the virtual assistant's early days, her voice was based on a real person.