How Amazon, Apple, Google, Microsoft, and Samsung treat your voice data

Alexa. Cortana. Google Assistant. Bixby. Siri. Hundreds of thousands and thousands of humans use voice assistants advanced by Amazon, Microsoft, Google, Samsung, and Apple every day, and that number is always developing. According to a recent survey by tech book Voicebot, ninety.1 million U.S. adults use voice assistants on their smartphones as a minimum month-to-month. In contrast, seventy-seven million use them on their cars, and 45.7 million use them on smart speakers. Juniper Research predicts that voice assistant use will triple, from 2.5 billion in 2018 to 8 billion in 2023.

Most users don’t’ comprehend that recordings in their voice requests aren’t’ deleted immediately. Instead, they’ll be stored for years, and in a few cases, they’re analyzed through human reviewers for exceptional assurance and function development. We asked the principal players within the voice assistant area how they handle information series and reviews, and we parsed their privacy rules for extra clues.


Amazon says that it annotates an “extremely small pattern” of Alexa voice recordings to improve the patron enjoy — for instance, to educate speech reputation and natural language know-how systems ”  so [that] Alexa can higher apprehend … requests.” It employs 0.33-celebration contractors to check those recordings. However, it says it has “strict technical and operational safeguards” in the region to save you from abuse.

A person doesn’t have a direct get right of entry to figuring out records — simplest account numbers, first names, and device serial numbers. All facts are handled with high confidentiality, and we use multi-element authentication to limit get admission to, carrier encryption, and audits of our control environment to protect it,” an Amazon spokesperson said in an announcement. Amazon allows customers to turn off voice recordings on the internet and app settings pages for capabilities development. Users who choose out, it says, may have their recordings analyzed manually over the regular direction of the review method.

Apple discusses its evaluation process for audio recording by using Siri in a white paper on its privacy page. It explains that human “graders” overview and label a small subset of Siri data for development and first-rate assurance purposes. Every reviewer classifies the satisfaction of responses and indicates the perfect movements. It says these labels feed reputation systems that “usually” decorate Siri’s’ high quality.


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