Answer:

muting

Answer	Crossword Clue
MUTING	Toning down
MUTING	Shutting off the audio
MUTING	Muffling

MUTING	Silencing.
MUTING	Using a sordine.
MUTING	Silencing

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.