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Phoenix666 writes:

The Guardian:

A mind-controlled hearing aid that allows the wearer to focus on particular voices has been created by scientists, who say it could transform the ability of those with hearing impairments to cope with noisy environments.

The device mimics the brain's natural ability to single out and amplify one voice against background conversation. Until now, even the most advanced hearing aids work by boosting all voices at once, which can be experienced as a cacophony of sound for the wearer, especially in crowded environments.

[...] The hearing aid first uses an algorithm to automatically separate the voices of multiple speakers. It then compares these audio tracks to the brain activity of the listener. Previous work by Mesgarani's lab found that it is possible to identify which person someone is paying attention to, as their brain activity tracks the sound waves of that voice most closely.

[...] The current version of the hearing aid, which involved direct implants into the brain, would be unsuitable for mainstream use. But the team believe it will be possible to create a non-invasive version of the device within the next five years, which would monitor brain activity using electrodes placed inside the ear, or under the skin of the scalp.

Finally some tech to help the stalkers among us.

Original Submission