Swipe up from the bottom of the screen.

Open the Photos app .

Select a video.

At the bottom, tap Edit .

Tap Audio.

Tap Audio Eraser.

The audio will show up as a sound wave below the video. Your phone will identify sounds you can adjust in the video.

To edit the level of a sound, tap one of the categories.

Important: The result depends on the sounds in your video.

Drag the slider to the left to decrease the chosen sound.

Tap Play to check the new sound levels.

When you’re satisfied with the sound of your video, tap Save copy.