Spotify wants to suggest songs based on how you feel

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The patent in question was filed back in 2018, but the USPO (United States Patent Office) approved the papers on January 12, 2021. In order to “guess” your mood, Spotify would rely on speech recognition algorithms and machine learning. Then, based on cues such as "intonation, stress, rhythm" the app would determine whether you are "happy, angry, sad or neutral".

Spotify could then suggest music reflecting your current mood and take into account the social setting as well - "alone, small group, party." The results would be combined with other parameters - such as the user's previously-played songs, or their friends' taste in music - to further improve recommendations.