The application (submitted in September 2016) describes how a user would consent to having data collected on biomedical measures such as pulse, perspiration, movement and temperature. The biometric information would be cross-referenced to the person's listening history and preferences.



Through machine learning, a system could ascertain the most desirable biometric conditions for a person, and then play the appropriate audio to guide the individual to the desired state.



https://www.cepro.com/article/sonos_patent_application_play_music_biometrics