To upload custom audio to StreamLadder, to be used in a video, select the “Audio” tab in the Clip Editor.
Then click “Upload a file”.
The file will appear underneath “Uploaded”, click the “Add” button to add the audio to the timeline.
You can upload files up to 5MB.
Formats that are accepted are: mp4, mp3, wav and aac.
You can reuse these audio files for other clips as well.