'Alexa's poor reputation for privacy may soon worsen as a patent filed by the firm suggests the virtual assistant may start listening before its 'wake word' is said.
Under the plans Alexa will be able to detect when it is being given a command even if the wake word is said at the end of the sentence instead of at the front.
The move raises concerns over user privacy as Alexa will, by default, always be listening to conversations on the off-chance its wakeword is spoken.
The patent, filed with the US Patent and Trademark Office , reveals the Seattle-fimrs plans for the next evolutionary step for it Alexa's technology.
Amazon insists Alexa can only be activated when one of its 'wake word' is uttered - either Alexa, Computer or Echo.
Rival systems from Apple and Google use a similar process, which requires 'Hey Siri' or 'Hey Google' respectively to be said before listening.
This will be set to change if Amazon decides to follow up on its patent.
It was filed earlier this year and went public last week on the USPTO website.
It states: 'A user may not always structure a spoken command in the form of a wake word followed by a command (eg. 'Alexa, play some music').
'Instead, a user may include the command before the wake word - eg. "Play some music, Alexa" - or even insert the wake word in the middle of a command - eg. "Play some music, Alexa, the Beatles please".
'While such phrasings may be natural for a user, current speech processing systems are not configured to handle commands that are not preceded by a wake word.'
Amazon declined to comment when approached by MailOnline.'
Read more: Amazon Alexa will soon record EVERYTHING you say rather than wait to hear its name first, new patent reveals
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