You can apply a crossfade effect both to visual and audio files. It makes the transition between the merged snippets smoother.
While the sound and/or image at the end of the first file is gradually fading down, the sound and/or image at the beginning of the second one is fading up simultaneously.
You can apply crossfade in the following tools:
The crossfade duration is set by default and cannot be changed. It is calculated based on the duration of the snippets. We recommend using this effect for snippets which are longer than 3 seconds.