The output will be normalized. To leave the difference sound at its volume, without normalizing, click this checkbox. To normalize the output, click this checkbox. The difference sound will be placed in a new document. To place it in a new channel inside the same document as the selected sounds, click the “New Channel” button. To place the difference sound in a new document, click here. The difference sound will be placed in a new channel inside the same document as the selected sounds. To place it in a new document, click the “New Document” button. To place the difference sound in a new channel inside the same document as the selected sounds, click here.