Le 14/12/2023 à 12:23, Syeed Ali a écrit :
> On Wed, 6 Dec 2023 11:57:05 +0100
> Didier Kryn <kryn@???> wrote:
>
>>     More seriously, when I was working at CERN, where many
>> electronics racks are used with very noisy fans, a study was
>> published which showed that you become deaf to certain frequencies
>> emitted by the fans but you recover audition capability if you stop
>> being exposed to these frequencies for some time. I think mostly very
>> high power noise or music, and of course ageing, can cause permanent
>> audidion loss.
> I wonder if that's more a brain thing than an ear thing.

    It's likely that the brain finds a way to cut some frequencies to
suppress a parasitic noise and restores them when this noise no longer
exists. I think there's a complex interaction between the ear and the brain.

--     Didier