AI headphones let wearer listen to a single person in a crowd by looking at them just once

https://techxplore.com/news/2024-05-ai-headphones-wearer-person-crowd.html

"Target Speech Hearing: off-the-shelf headphone fitted with microphones wearer looks 3 to 5 seconds at person speaking, taps button enrolling them, cancelling all other sounds in real time even as listener moves around in noisy places no longer facing speaker... speaker's sound waves reach microphones on both sides of headset simultaneously, machine learning software learns speaker's vocal patterns, improving as speaker keeps talking, adding training data... later, can run another enrollment on speaker improving clarity"

Related: AI's solution to the 'cocktail party problem' used in court
https://www.bbc.com/news/articles/c5yk5mdj9gxo