Close the video soundtrack tutorial.

When doing some audio recording and video dubbing with fast-moving pictures, we may need to turn off the original sound of the video and then add new sound. So how does Fast Shadow turn off the original sound? Here, I will introduce you to the tutorial of closing the video soundtrack in the fast movie app. Let's have a look.

How to turn off the original sound in the fast movie? 1. Open the fast movie APP in your mobile phone, click Create in the function bar below, enter the create page and click Edit;

2. Select the video we shot before, that is, the video that needs to turn off the original sound, and click Finish;

3. After importing the video, on the left side of the middle video timeline, click Turn off the original sound to turn off the video original sound;

4. We can also adjust the sound size of the video soundtrack through the sound effect-video soundtrack and pull it to the far left. A volume of 0 means that the video channel disappears.

5. After turning off the original sound, select music in the sound effect to add new music;

6. On the Add Music page, select new music to use or extract audio;

7. Finally, we can see the audio of a video below the video timeline. For the music of the current video, click Export to save the video.