Windows 11 · Windows

After Effects - How To Fade Audio In & Out

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Answer

To add a fade in or out to your audio file, ensure it’s well placed on your timeline, click on this arrow icon, and expand Audio. To create an audio fade in, move your current time indicator to where the fade should start. Click on the Stopwatch icon, in order to create a new Keyframe, and then hold and drag your audio level to the left to decrease it.

After Effects: How To Fade Audio

To add a fade in or out to your audio file, ensure it’s well placed on your timeline, click on this arrow icon, and expand Audio.

After Effects: How To Fade Audio
After Effects: How To Fade Audio

To create an audio fade in, move your current time indicator to where the fade sh…

To create an audio fade in, move your current time indicator to where the fade should start. Click on the Stopwatch icon, in order to create a new Keyframe, and then hold and drag your audio level to the left to decrease it.

After Effects > Stopwatch Icon > Keyframe
After Effects > Stopwatch Icon > Keyframe

You can also type exact decibel numbers to help you create more precise fade in

You can also type exact decibel numbers to help you create more precise fade in. I will set the audio file to -50 dB, which should completely mute the audio.

Adjust the audio fade-in
Adjust the audio fade-in

Move your time indicator to where you wish your fade to stop, and set a new Keyfr…

Move your time indicator to where you wish your fade to stop, and set a new Keyframe when clicking on this icon. This will allow you to increase the audio level to 0 dB and create a fade from the first to the second keyframe.

Adjust the keyframe in your timeline for your audio fade
Adjust the keyframe in your timeline for your audio fade

When moving your current time indicator over the timeline, you will see that the…

When moving your current time indicator over the timeline, you will see that the decibel setting will gradually change over time. To fade out your audio, create a new keyframe where the audio should start fading out. Leave the audio level as it is, press and hold your shift key and move your time indicator to where you wish your audio to finish fading out to snap your cursor to the correct place.

Adjust the fade-in and fade-out for your audio
Adjust the fade-in and fade-out for your audio

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