LSSound by LSMaker 2004. With this program, you can add sound effects easily to your videos. Every wave's volume and pan shape can be drawn. Usage: 1. Load an AVI file. Press the "..." button. Specify the AVI's fps under the AVI editbox. 2. Use the + and - buttons to manage the hotkey list. Use + to add and - to remove. You can also Save or open lists. 3. You can associate WAV files to keys, and specify a hotspot (in millisecond). 4. When you play/seek in the video and press a hotkey, the associated wave's hotspot will be placed there. 5. Export to WAV How to change volume/pan? There are two ways: Click with the right button on a line in the hotkey list. A pop-up menu will appear: Volume, Pan, Cancel. Selet Volume/Pan to open a new dialog. There you can insert points with left click, and remove with right. You can also set points with numbers. Press OK to set. After this, when you insert new waves, all of them will have the attributes that you have set for the hotkeys. The other way is to set for an inserted wav. Go to the strating of a sound on the timeline. Press edit frame. Press special and the known pop-up menu will appear. You can specify the playback fps next to the play/pause button. The trackbar above the play/pause button is for zooming the timeline. Press the Edit frame to modify the inserted wavs. Playback radiogroup: No mix: plays the sound until a new sound starts. Fast. Mix: Mixes the sounds without effects (volume/pan). Slower. Mix+Effects: Do everything in realtime. Slowest.