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I turned hey Siri off, but found something unsettling. If I say RED FIRE TRUCK to my iPhone with HeySiri turned off, and immediately hold the home button down

I turned hey Siri off, but found something unsettling. If I say RED FIRE TRUCK to my iPhone with HeySiri turned off, and immediately hold the home button down for Siri, “she” sometimes has fire or fire truck pulled up already. This was WAY WORSE with Hey Siri turned on where it would always have those words and sometimes even more. So best case, they are always caching a little bit and maybe only upload or process it when I hold the button down - but it’s definitely clear they are doing a little general pre-recording of all words. If they’re doing a little, it stands to reason they could do a lot. Which is a bummer, but it’s not like I have much say in the matter.

kbenson 8y ago
That's interesting. I often have a similar experience with pressing the voice button on Android, where if I was streaming some podcast the last few words would precede my intended voice search in what was actually entered. That's usually when streaming in the car through bluetooth though, and I think there's a couple second delay in audio there anyway, so that may explain it in my case. I can't seem to get it to do it manually right now with the phone's mic. > So best case, they are always caching a little bit and maybe only upload or process it when I hold the button down - but it’s definitely clear they are doing a little general pre-recording of all words. That is somewhat troubling to hear. I had some thoughts about how possibly some dedicated hardware is buffering and only handing it off on notification of the manual siri request, but on thinking about it, if the OS can request the info whenever it wants, that's not really any more secure than the OS recording it itself.