Google admits workers listen to private audio recordings from Google Home smart speakers

Google employees listen to customers’ audio recordings on Google Home smart speakers, the technology giant has admitted.

Language experts are employed to analyse “snippets” of recordings made by users, which Google claims helps improve its voice recognition technology.

This is then used to develop the Google Assistant artificial intelligence system, which is used in its Google Home smart speakers and Android smartphones.

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The assistant understands and responds to voice commands given to it, answering queries about the news and weather as well as being able to control other internet-connected devices around the home.

In a statement, the company said a small number of anonymous recordings were transcribed by its experts, and revealed that an investigation had been launched after some Dutch audio data had been leaked.

“We partner with language experts around the world to improve speech technology by transcribing a small set of queries – this work is critical to developing technology that powers products like the Google Assistant,” Google said.

“Language experts only review around 0.2% of all audio snippets, and these snippets are not associated with user accounts as part of the review process.”

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This is a production preview of the Jaguar I-PACE, which will be revealed next year and on the road in 2018 AP 25/26 Japan's On-Art Corp's CEO Kazuya Kanemaru poses with his company's eight metre tall dinosaur-shaped mechanical suit robot 'TRX03' and other robots during a demonstration in Tokyo, Japan Reuters 26/26 Singulato Motors co-founder and CEO Shen Haiyin poses in his company's concept car Tigercar P0 at a workshop in Beijing, China Reuters

The statement continued: “We just learned that one of these reviewers has violated our data security policies by leaking confidential Dutch audio data.

“Our Security and Privacy Response teams have been activated on this issue, are investigating, and we will take action.

“We are conducting a full review of our safeguards in this space to prevent misconduct like this from happening again.”

Earlier this year, a report from Bloomberg revealed fellow tech giant Amazon also listens to some recordings of customer interactions with its voice-based assistant Alexa.

Amazon confirmed the process and said it did so with a small number of recordings in order to help train the artificial intelligence’s responses.

The firm said users are also able to review and delete recordings linked to their account via the Alexa companion app.

On Monday, the NHS announced a new partnership with Amazon that will see verified health information based on the NHS website provided via Alexa.

Privacy campaigners claimed it was a “data protection disaster waiting to happen, but Health Secretary Matt Hancock said the NHS needed to embrace technology.