eli5: How does siri hear me say “hey siri” if it isn’t constantly listening to my conversations or me speaking?

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eli5: How does siri hear me say “hey siri” if it isn’t constantly listening to my conversations or me speaking?

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33 Answers

Anonymous 0 Comments

So the disconnect is when people say listening they actually mean two separate processes, there’s hearing the sounds and then theirs recording and storing what is said. The analogy is like sleeping, when ur fast asleep you are still listening, we know this cus if I call ur name loud enough you will probably wake up. But that doesn’t mean when ur fast alseep u can remember what is being said, cus ur listening without storing the information. Same thing with Siri it’s listening constantly but doesn’t wake up and record what you have said until you say hey siri.

Anonymous 0 Comments

So the disconnect is when people say listening they actually mean two separate processes, there’s hearing the sounds and then theirs recording and storing what is said. The analogy is like sleeping, when ur fast asleep you are still listening, we know this cus if I call ur name loud enough you will probably wake up. But that doesn’t mean when ur fast alseep u can remember what is being said, cus ur listening without storing the information. Same thing with Siri it’s listening constantly but doesn’t wake up and record what you have said until you say hey siri.

Anonymous 0 Comments

It has 2 ways to listen.

One is a low power mode, this mode “hears” everything you say of course, but it only understands “hey siri”. Once “hey siri” is triggered the second listening mode is activated which uses a lot more cpu and power to use and transmit the data.

Anonymous 0 Comments

It has 2 ways to listen.

One is a low power mode, this mode “hears” everything you say of course, but it only understands “hey siri”. Once “hey siri” is triggered the second listening mode is activated which uses a lot more cpu and power to use and transmit the data.

Anonymous 0 Comments

It has 2 ways to listen.

One is a low power mode, this mode “hears” everything you say of course, but it only understands “hey siri”. Once “hey siri” is triggered the second listening mode is activated which uses a lot more cpu and power to use and transmit the data.

Anonymous 0 Comments

Your phone has a small chip called DSP, wich is always translating your voice into data. It has a “special mode” where it uses almost no battery but can still understand the “Hey Siri” hotword and wake up the phone.

It’s like when your dog is sleeping next to you and you say something. It will listen, but won’t react unless you call your dog’s name.

Anonymous 0 Comments

Your phone has a small chip called DSP, wich is always translating your voice into data. It has a “special mode” where it uses almost no battery but can still understand the “Hey Siri” hotword and wake up the phone.

It’s like when your dog is sleeping next to you and you say something. It will listen, but won’t react unless you call your dog’s name.

Anonymous 0 Comments

Your phone has a small chip called DSP, wich is always translating your voice into data. It has a “special mode” where it uses almost no battery but can still understand the “Hey Siri” hotword and wake up the phone.

It’s like when your dog is sleeping next to you and you say something. It will listen, but won’t react unless you call your dog’s name.

Anonymous 0 Comments

Better question why does Siri randomly go “Uh huh?” or “I’m not sure, here’s a search result?” in the middle of the night? That’s the real question.

Anonymous 0 Comments

Better question why does Siri randomly go “Uh huh?” or “I’m not sure, here’s a search result?” in the middle of the night? That’s the real question.