Canon EOS REBEL T8i Advanced User's Manual page 363

Wind Filter
Set to [Auto] to reduce wind noise automatically when there is wind outdoors. Only activated
when the camera's built-in microphone is used. When the wind filter function takes effect,
part of the low bass sounds will also be reduced.
Attenuator
Automatically suppresses sound distortion caused by loud noises. Set [Sound rec.] to
[Enable] if distortion occurs when set to [Auto] or [Manual].
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