Kdenlive
Trim Video
- Press X or click razor tool above clip
- Click within the clip to split it
- Press S or click selection tool
- Click part of clip to delete
- Right click: delete selected item
Adjust Volume on Keyframes
- Click Effects tab in top-left
- Search for “volume”
- Find “Volume (keyframable)” and drag it onto the clip
- In the bottom-right panel, click the “Effect/Composition” tab and look for the “Volume” row
- In the small timeline, click at one end of where you want the change to be, and click “Add keyframe”
- Click at the other end of where you want the change to be and click “Add keyframe”
- Balls will appear overlayed on the clip itself. Drag up or down to adjust the volume
- If you play the preview in Kdenlive you will hear the sound difference
Export