Turning Hearing Aids into Noise-Canceling Devices #ASA182

For someone using an assistive listening device in a crowded place, it might make little difference whether the device is on or off. Nearby conversation directed at the user might be drowned out by distant conversation between other people, ambient noise from the environment, or music or speech piped through a loudspeaker system.

Corey and his colleagues worked to eliminate at least one source of noise, the one emanating from loudspeakers or other broadcast systems.