Spotify’s latest technology aims to suggest music based on users’ speech, gender and even their emotional state.

In 2018, the company filed for a patent that outlined the use of technology that involves the extraction of “intonation, stress, rhythm, and the likes of units of speech” from a user’s voice. This technology would use speech recognition to identify a user’s emotional state, gender, age, accent, and even whether someone is alone or with other people.

“It is common for a media streaming application to include features that provide personalized media recommendations to a user,” said Spotify.

“It should be understood that the above example metadata categories of emotions, gender, age and accent are merely examples, and numerous other characterizations and classifications can be used.”

The patent recently received approval on January 12, 2021. However, it is unclear when, if or how this technology will be implemented.

Speaking to Pitchfork, a Spotify spokesperson said: “Spotify has filed patent applications for hundreds of inventions, and we regularly file new applications. Some of these patents become part of future products, while others don’t. Our ambition is to create the best audio experience out there, but we don’t have any news to share at this time.”

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