Question

which option is used to gradually decrese the volume of an audio

Answer 1

Basically , Audio Fade is an effect used in audio editing to make the audio gradually increase or decrease the signal level

Explanation:

(It's useful especially in smoothing the beginning and end of an audio track. ) {Audio Fade contains Audio Fade In and Audio Fade Out }

[ME : I THINK IT'S VERY HELPFUL FOR YOU ]