Fade audio

Check whether audio should be faded or not.

Fade video

Check whether video should be faded or not.

Fade in

This defines the total length in frames of the fade in. The option applies for both audio and video.

Fade out

This defines the total length in frames of the fade out. The option applies for both audio and video.

Add black frame(s)

Add one black frame at start and/or end in order to keep all active video visible during the fade.