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Headphones that find and isolate voices (Level A1) — Three bursts of colored patterns.

Headphones that find and isolate voicesCEFR A1

16 Dec 2025

LevelA1
A2
B1
B2

Adapted from U. Washington, Futurity • CC BY 4.0

Photo by Logan Voss, Unsplash

Level A1 – Beginner
2 min
71 words
  • It is hard to talk in noise.
  • People call this the cocktail party problem.
  • A research team made new smart headphones for hearing.
  • The headphones use AI to find and isolate voices.
  • The system listens and finds who speaks in conversation.
  • The device plays only the important voices for the wearer.
  • The sound becomes clearer for listeners nearby.
  • This makes talking less tiring.
  • The team hopes to make smaller earbuds later.

Difficult words

  • noise — unwanted or loud sounds around people
  • isolate — to separate one sound from other sounds
  • conversation — a talk between two or more people
  • wearer — the person who wears a device or clothing
  • earbud — small ear devices for listening to sound
    earbuds

Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.

Discussion questions

  • Do you find it hard to talk in noise?
  • Would you use headphones that play only important voices?
  • Do you prefer earbuds or headphones when you listen?

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