Nikon D780 DSLR Camera (Body Only) - Manual (Page 628)

582 Menu Guide > 1 The Movie Shooting Menu
Select [ Enable ] to reduce microphone gain and prevent audio
distortion when recording movies in loud environments.
Choose the range of frequencies to which built-in and external
microphones respond.
Attenuator
G button
U 1 movie shooting menu
Frequency Response
G button
U 1 movie shooting menu
Option Description
S
[ Wide
range ]
Record a wide range of frequencies. Choose for
everything from music to the bustling hum of a city
street.
T
[ Vocal
range ]
Choose for human voices.