Figure 1. Sound Forge startup state.

Figure 2. View, Maximize Width command

Figure 3. View, Video Preview command.

Figure 4. Tools, Spectrum Analysis command

Figure 5: On Spectrum Analysis menu: Display, Sonogram (Color)

Figure 6. Windows within Sound Forge

Figure 7. Oscillogram window.

Figure 8. Effect of zooming the volume control

Figure 8. Effect of zooming the time control.

Figure 9. Sonogram window

Figure 10. Highlighting the oscillogram to control the output and play range.

Figure 11 Normal spectrum analysis output

Figure 12 Looping preview window.