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Where is the keyword 'Alexa' recognized? On the device or back in Amazon towers? If the latter then every sounds is transmitted back to grep for 'Alexa'. Of cou
by sys_64738 7y ago
Where is the keyword 'Alexa' recognized? On the device or back in Amazon towers? If the latter then every sounds is transmitted back to grep for 'Alexa'. Of course we believe they don't store that other noise data.
- misnome 7y agoOn device.
- numpad0 7y agoUsually done by dedicated software on a separate CPU that captures “wakeword”(mostly for technical reasons than privacy)
- xyzzy_plugh 7y agoBoth. First on the device, then in the cloud. The latter determines if it's a "false positive" or not. AFAIK there is no way to remotely start recording up to the cloud.
- MrStonedOne 7y agoThe cloud can push changes to the wake word (because changing it by the app is possible), it can add new ones, and the real question is rather or not amazon servers can instruct it to not turn the lights on for certain wake words. You can see this in their home defense feature on the echos, where the echo can have the sounds of broken glass and wood breaking added as wake words so it can notify you and/or police in the event of an intruder.