To do that processing, Alexa relies on Amazon's cloud infrastructure. Parsing all those wave forms is way too much work for the processor on the local Alexa device. How a command is interpretedĪlexa responds to lots and lots of commands.
There's also the problem of the internet and Alexa's cloud-based AI system.
#Elexa tracking people update#
Given how sensitive Alexa has to be to process wake words, sometimes Alexa will react to a sound (even one we might not hear or notice) and interpret that as a wake word.Īlthough considerably rarer, there's also the possibility that an update changed Alexa's code and introduced a bug. Given all that, the most likely cause of an Alexa spontaneous reaction is a misinterpretation of sound. The likely causes of Alexa's spontaneous reactions On the other hand, if Alexa doesn't respond when spoken to, that would also be very frustrating to users.īuilding a machine learning system that can parse all those variables, achieving a practical balance between too many false positives without seeming to ignore requests, is (and I'll use the phrase again) non-trivial. You can't have Alexa wake up spontaneously, or that would be disturbing. Given that there are millions of devices, situations, and voices, you can begin to see the challenge that the developers had in making invocation work reliably.
Through all of that variety, somehow, Alexa has to determine if it's been woken up by the word "Alexa." A fan might be generating a blanket of white noise. They also have a wide range of background noises.
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